CFE-5100 Residential ESS Lithium ion Battery User Manual

CFE-5100 Residential ESS Lithium ion Battery

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Specifications

• Product: CFE-5100 Residential ESS Lithium-ion Battery
• Installation: Parallel or Series
• Manufacturer: CF Energy Co., Ltd.
• Version: 1.30

Product Usage Instructions

Safety Instructions

Important Safety Instructions

This manual contains important instructions for the
CFE-Residential ESS Lithium-ion Battery product.

Warnings in this Document

A warning describes a possible hazard to equipment or personnel.
Improper compliance could result in damage, destruction, or
personal injury.

• Beware of risk of electric shock
• Heavy enough may cause severe injury
• Keep the battery away from open flame or ignition sources
• Keep the battery away from children
• Do not dispose of the product with household waste
• Recycling
• Read this manual before installation and operation

Battery Handling Guide

Use the battery pack only as directed.

Response to Emergency Situations

The CFE-Residential ESS Lithium-ion Battery is designed with
multiple safety strategies. However, absolute safety cannot be
guaranteed for uncertain situations.

Battery Installation

Package Items

Ensure all package items are present before installation.

Checks Before Installation

Prior to installation, perform necessary checks to ensure proper
setup.

Installation of the Battery

Follow the detailed installation instructions provided in the
user manual for correct setup.

FAQ

Q: How should I store the CFE-5100 Residential ESS Lithium-ion

Battery?

A: Refer to section 4.7 on storage in the user manual for proper
storage guidelines.

Q: What should I do if the battery is not used for an extended

period?

A: If the battery is not used for more than 6 months from the
production date, it should be charged once as per the manual to
prevent issues.

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Residential ESS Lithium-ion Battery CFE-5100 User Manual
Published:0725, 2023 Version 1.30

About CFE RESS Li-ion CFE-5100 can be installed in Parallel or Series, more attention should be paid to the DIP and address selection following with user manual.
About this Manual The Manual is intended for the CFE-5100 Residential ESS, the hybrid inverter and any other equipment are not included.
2023 CF Energy Co., Ltd. All rights reserved. CF ENERGY CO.LTD. mentioned later is abbreviated as CFE. This document is provided “as-is.” Information in this document, including URL and other Internet Web site references, may change without notice.

Contents
1 Safety Instructions ………………………………………………………………………………………………………………….. 1 1.1 Important Safety Instructions …………………………………………………………………………………….. 1 1.2 Warnings in this Document ………………………………………………………………………………………….1 1.3 Battery handling guide ………………………………………………………………………………………………… 1 1.4 Response to emergency situations …………………………………………………………………………… 1 1.4.1 Leaking batteries ………………………………………………………………………………………………1 1.4.2 Fire ……………………………………………………………………………………………………………………. 1 1.4.3 Wet battery ……………………………………………………………………………………………………… 2 1.4.4 Damaged battery ……………………………………………………………………………………………..2 1.5 Installers ………………………………………………………………………………………………………………………..2 1.6 Scrap battery ………………………………………………………………………………………………………………..2 1.7 Customer careline ……………………………………………………………………………………………………….. 2
2 Product Introduction ………………………………………………………………………………………………………………. 2 2.1 Technical data ……………………………………………………………………………………………………………… 2 2.2 Indicator and ports ……………………………………………………………………………………………………… 3 2.3 Communication interface plat …………………………………………………………………………………… 4 2.4 How it works ………………………………………………………………………………………………………………… 4 2.5 Feature ………………………………………………………………………………………………………………………….5
3 Guidance for batteries during shipment ……………………………………………………………………………….. 5 4 Installation Prerequisites ……………………………………………………………………………………………………….. 5
4.1 Installation location …………………………………………………………………………………………………….. 5 4.2 Installation process ……………………………………………………………………………………………………..5 4.3 Installation materials ………………………………………………………………………………………………….. 6 4.4 Tools ……………………………………………………………………………………………………………………………..6 4.5 Safety instruments …………………………………………………………………………………………………….. 7 4.6 Communication cable ………………………………………………………………………………………………… 7

4.7 Storage ………………………………………………………………………………………………………………………… 7 5 Battery Installation …………………………………………………………………………………………………………………..7
5.1 Package items ……………………………………………………………………………………………………………… 7 5.2 Checks before installation …………………………………………………………………………………………. 8 5.3 Installation of the battery ……………………………………………………………………………………………8
5.3.1 Connect with 51.2Vdc Inverter ………………………………………………………………………..8 5.3.2 Address selection of Master and Slave Battery (Batteries) connection …… 9 5.4 Cable connections ……………………………………………………………………………………………………. 12 5.4.1 Cable connection for Series connection …………………………………………………….. 12 5.4.2 Cable connection for Parallel connection ………………………………………………….. 13 6 Settings for CAN /485 bus pins ……………………………………………………………………………………………..13 7 Commissioning ………………………………………………………………………………………………………………………. 14 7.1 Commissioning battery ………………………………………………………………………………………………14 7.2 Shutting down battery ……………………………………………………………………………………………….14 8 Troubleshooting ……………………………………………………………………………………………………………………. 14 Warranty of Residential ESS ……………………………………………………………………………………………………. 15 RED Declaration of Conformity (DoC) ……………………………………………………………………………………..17

1 Safety Instructions

1.1 Important Safety Instructions
This manual contains important instructions for:
CFE-Residential ESS Lithium-ion Battery product
This manual must be followed when installing and using this product. The product is designed and tested in accordance with international safety requirements IEC 62619/IEC 62040/UL1973, but as with all electrical and electronic equipment, certain precautions must be observed with regard to product installation and/or operation. To reduce the risk of personal injury and ensure safe installation and manipulation of the product, it is required to carefully read and follow all instructions, cautions and warnings in this manual.

1.2 Warnings in this Document
A warning describes a possible hazard to equipment or personnel, which calls attention to a procedure or practice. Improper enforcement or compliance with warnings could result in damage or destruction of part or all of the equipment and/or other equipment connected to the equipment or personal injury.

Symbol

Description

Beware of risk of electric shock

Heavy enough may cause severe injury

Keep the battery away from open flame or ignition sources

Keep the battery away from children

Do not dispose of the product with household waste

Recycling
Read this manual before installation and operation
For safety reasons, installers are responsible for familiarizing themselves with the contents of this manual and all warnings before performing installation. If the battery is not used for more than 6 months from the production date, it shall be charged once. The failure caused by the overdue failure to perform the standard operation is not within the scope of warranty.
1.3 Battery handling guide
Use the battery pack only as directed.
1.4 Response to emergency situations
The CFE-Residential ESS Lithium-ion Battery is designed with multiple safety strategies to prevent hazards resulting from failures. However, Cannot guarantee their absolute safety for uncertain situations.
1.4.1 Leaking batteries
If the battery pack leaks electrolyte, direct contact with the leaking liquid or gas must be avoided. Contact with electrolyte may cause skin irritation and chemical burns due to its corrosiveness. If one is exposed to the leaked substance, the following actions should be taken: Inhalation: Evacuate the contaminated area, and seek medical attention immediately. Eyes contact: Rinse eyes with flowing water for 15 minutes, and seek medical attention immediately. Skin contact: Wash the affected area thoroughly with soap and water, and seek medical attention immediately. Ingestion: Induce vomiting as soon as possible, and seek medical attention immediately.
1.4.2 Fire

1

In case of a fire, make sure that an ABC or carbon dioxide extinguisher is placed nearby and do not extinguish the fire by water.

WARNING

The battery pack may catch fire when heated above 130°C.

If a fire breaks out where the battery is installed, please take the following actions:

Extinguish the fire before the battery catches fire.

If the battery has caught fire, do not try to extinguish the fire, and evacuate people immediately.

Do not approach in case of any contact with poisonous gases once the battery catches fire.

1.4.3 Wet battery
If the battery is wet or submerged in water, do not try to access it. It’s proper to contact customer careline or your distributor for technical assistance.
1.4.4 Damaged battery
If the battery is damaged, please contact customer careline or your distributor for appropriate countermeasures as soon as possible, because damaged batteries are dangerous and must be handled with extreme caution. Damaged batteries are not suitable for use and may pose a danger to people or property. If the battery seems to be damaged, it also should be returned to your distributor.
CAUTION
Given the high possibility of damaged batteries exporting electrolyte or flammable gas, the correct action is to contact your distributor for advice and information immediately. Such cases will be addressed within 48h.

1.5 Installers

CFE-Residential ESS Lithium-ion Battery is suggested to be installed by skilled workers or electricians. A skilled worker is defined as a person who has received professional training and qualified electrician or possesses all of the following skills and experience:

Knowledge of the functional principles and operation of on-grid energy storage systems.

Knowledge of the dangers and risks associated with installing and using electrical devices and acceptable mitigation

methods.

Knowledge of the installation of electrical devices.

Knowledge of adherence to this manual and all safety precautions and optimal practices.

1.6 Scrap battery
For scrap battery, please treat with local laws or regulations to recycle.
1.7 Customer careline
The contact information for technical assistance is given as below. This phone number is available 24/7 and we will register your problems and provide reasonable solutions within 48h.

Customer careline

+86 400 996 8377

2 Product Introduction 2.1 Technical data

Model

CFE-5100

Total Energy*

5.1 kWh

Usable Energy(DC)

4.6 kWh

Max. Discharge Power

3.0 KW

2

Rated Capacity Voltage Nominal Voltage Operating Condition Charge Operating Temperature Discharge Operating Temperature Dimensions (WDH) Weight IP Rating Protective Class Parallel or Series Support Relative Humidity (RH) Cooling Type Case Material Color Installation Warranty Communication Protection Mode Battery Protection Safety Certificate

100 Ah 48~56 Vd.c
51.2 Vd.c Indoor 0~45
-10~55 442500133 mm
42±0.5 kg IP 20 I
8 Parallel or Series 0~95% (No condensed water)
Ambient cooling Metal Black
Cabinet, Wall Mounting, Ground Installation 10 Years
CAN/RS485 Triple Hardware Protection Over-Current/ Over-Voltage/ Short Circuit/ Under-Voltage/ Over Temperature CE & TUV (IEC 62619, IEC 62040) UL1973

Testing Conditions Based on Temperature 25 at The Beginning of Life.

Total Energy/Usable Energy Measured Under Specific Conditions From 0.2C CC/CV

2.2 Indicator and ports

There are two LED indicators on the front of the battery to show its operating status.

Table 2-1 Designations on the battery
3

Item 1 2

Designation Running Fault

Definition Battery normally working without fault Battery is in a warning state, see troubleshooting in Chapter 8

2.3 Communication interface plat

SW1

DIP switch selection for CAN or RS485

SW2

Resistance for communication and DIP switch for parallel/series connection

SW3

Switch for battery’s address selection

SW4 & SW5

Communication for battery or master battery with inverter

Reset

Reset the WIFI configuration

2.4 How it works

Morning

Afternoon

Optimized self-consumption will be achieved. ESS is used to store excess energy produced by PV system.

Extra energy will be fed into the grid when ESS is fully charged and system has already reached its self-consumption requirement.

Evening

Night

ESS will power the AC load at sunset.

If the ESS capacity is insufficient to meet self consumption requirement, electricity will be obtained from the grid.
4

2.5 Feature

CFE-Residential ESS Lithium-ion Battery is characterized with:

Energy storage unit: This battery is suitable for PV solar system compatibility.

Battery management system (BMS): The battery’s built-in BMS monitor prevents the battery from running outside its

design limitations. See Troubleshooting in Chapter 8.

Monitor: The battery’s BMS built-in WIFI module can help check the battery running information in the mobile phone.

Expandability: The battery capacity can be increased by adding another battery of the same batch and specification.

3 Guidance for batteries during shipment

Cartons that have been crushed, punctured, or torn in such a way that contents are revealed shall be set aside in an

isolated area and inspected by a skilled person. If the package is deemed to be not shippable, relevant contents shall be

promptly collected and segregated. Meanwhile, it is required to contact the consignor or consignee.

The DC circuit of Residential ESS has been disconnected before outgoing.

A precautionary label must be affixed to the shipping carton to alert individuals that the battery within the package has

been disconnected; otherwise, the battery should not be transported.

We have conducted comprehensive tests of our equipment distributed around the world to ensure safety for shipping

transport. These products shall be handled with care and immediately inspected if visibly damaged. It needs to contact with

customer careline in case of any visible damage to cartons to confirm whether the battery could be used safely or not.

4 Installation Prerequisites

4.1 Installation location

Make sure that the installation location meets the following conditions:

The building is designed to withstand earthquakes.

Far away from the sea to avoid salt water and humidity.

The floor is flat and level.

No flammable or explosive materials nearby.

Optimal ambient temperature is between 15 and 30°C.

Temperature and humidity stay at a constant level.

Minimal dust and dirt in the area.

No corrosive gases present, including ammonia and acid vapor.

The Residential ESS is rated at IP20, so the battery could be installed indoors.

If the ambient temperature exceeds the operating range, battery will protect itself by shutting down. The optimal operating

temperature of the battery is 15°C to 30°C. Frequent exposure to severe operating conditions would exacerbate the

performance and lifetime of the battery.

4.2 Installation process
The battery should be installed according to the following flow chart.

5

4.3 Installation materials

Following installation materials should be prepared by installers.

Power cable

Communication cable

Earth wire

Bipolar external isolators. When two or more battery systems are connected in parallel, each of them shall have a bipolar

isolator.

NOTICE

Make sure that the cross-sectional area of charging cables is 25 to 35 mm2.

A breaker between battery and inverter is recommended to install, and its min. current should be over 150A or comply with local regulations.

4.4 Tools
To install the battery pack, those following tools are probably required:

Phillips screwdriver

Torque wrench

Cable crimper

6

Wire clamp

Voltmeter

Tape measure

Drill

Flat-head screwdriver

In order to protect the safety of operators and installers, it is necessary to select and employ suitable tools and measuring instruments that are certified for precision and accuracy.

4.5 Safety instruments
When dealing with the battery, following safety gears should be equipped. Installers must meet relevant requirements of IEC 60364 or domestic legislations and other relevant international standards.

Insulated glove
4.6 Communication cable

Safety goggles

Safety shoes

If needed, the network cable should be made as shown in that diagram. But the network cable between battery and inverter should be produced following the definition of inverter. If available, a LAN cable tester can be used to check whether the cable is faulty.
4.7 Storage
If the battery is not to be installed immediately, it should be removed from operation. It is secure and proper to be stored in an appropriate location, if long period storage is needed. Instructions for storage are: Do not stack more than 8 battery boxes. The temperature of battery stored is recommended in the range of 0°C to 45°C. Do not expose to water The ESS box should be upright and not stacked upside down when being stored. If the ESS needs to be stored over 3 months, the DC circuit of battery is suggested to be disconnected. Otherwise, the battery would discharge at a minimum rate and capacity degrades with storage time. Generally, the battery self-consumption is less than 5w. And, if the battery is stored over 6 months, it is suggested to connect the battery with inverter for system commissioning.
5 Battery Installation
5.1 Package items
These items are included in the package.

7

Battery*1

Cardboard*1

User Manual

5.2 Checks before installation
Check the battery voltage.

WARNING
If this checking process is executed for any reason after the battery is fully installed, make sure that the inverter is turned off or disconnected from battery while checking the battery.

Press and hold the panel button for about 4s, release it after the two LED lights on, and then measure the voltage at the terminal interface with a voltmeter. If the voltage is lower than 44 V, do not use the battery and contact customer careline or your distributor.

5.3 Installation of the battery

NOTICE

The symbol is located on the front of battery. For parallel or series connection, the earth wire must be installed.
Apply silica gel or paint around the earth terminal after the earth cable is connected.

5.3.1 Connect with 51.2Vdc Inverter To prevent the battery from moving, make sure the battery is properly installed.

NOTICE
If the battery is installed above the floor or on a platform, make sure that the wall or platform is capable of supporting the battery’s weight.

5.3.1.1 Wall mounting

NOTICE

1.Use the positioning cardboard to determine the bracket mounting place.

2.Drill holes in the wall for the M8 expansion screw anchors, of which depth should be at least 50 mm. Tighten the screws to a torque around 2.5 Nm.

3.Fasten the battery to bracket fastening hole with M6 screws with 2.0Nm roughly.
4.Meanwhile, two or four batteries could be installed by these brackets. Note: if more than 4 batteries are to be installed, a cabinet is recommended to be selected for battery stability.
8

The installed location shall be restricted access or installed in a cabinet which provides protection for pets and children.
5.3.1.2 Ground installation
Meanwhile, CFE-Residential ESS Lithium-ion Battery also could be installed on floor. The installation steps are as follows: NOTICE
1. Fix the holders to battery’s mounting holes one by one. 2. If more power and energy are needed, 2 to 4 batteries could be installed in one stack. 3. If the number of batteries remains at the range of 5 to 8, a cabinet is recommended to be selected.
5.3.2 Address selection of Master and Slave Battery (Batteries) connection

For series connection, please make sure the SW2 DIP switch is selected as this type.

WARNING
Please make sure the SW2 DIP switch is selected correctly. If the battery is connected in parallel mode, and SW2 DIP8 is selected at ON position, it probably leads to serious faults, even dangerous. Meanwhile, if battery is connected in series mode, and SW2 DIP8 is selected at OFF status, serious faults and hazards probably occur.

Connected battery number
1

Group —

2

Master

Set of SW2

Series connection

Parallel connection

13

13

138

13

Address Set (SW3)
1
2

9

Slave

Master

3

Slave 1

Slave 2

Master

Slave 1 4
Slave 2

Slave 3

Master

Slave 1

5

Slave 2

Slave 3

Slave 4

Master

6

Slave 1

Slave 2

18 138 8 18 138 8 8 18 138 8 8 8 18 138 8 8
10

1

1

13

3

0

1

1

2

13

4

0

1

0

2

1

3

13

5

0

1

0

2

0

3

1

4

13

6

0

1

0

2

Slave 3

Slave 4

Slave 5

Master

Slave 1

Slave 2

7

Slave 3

Slave 4

Slave 5

Slave 6

Master

Slave 1

Slave 2 8
Slave 3

Slave 4

Slave 5

8 8 18 138 8 8 8 8 8 18 138 8 8 8 8 8
11

0

3

0

4

1

5

13

7

0

1

0

2

0

3

0

4

0

5

1

6

13

8

0

1

0

2

0

3

0

4

0

5

Slave 6 8

0

6

Slave 7 18

1

7

5.4 Cable connections

WARNING Before connecting battery with inverter, please make sure the inverter turns off.

5.4.1 Cable connection for Series connection

NOTICE The voltage difference of each battery should be less than 100mV.

5.4.1.1 Ground installation

Connect a Communication cable to M/S communication terminal interface one by one directly.

If more than 4 batteries are installed, a cabinet is recommended.
5.4.1.2 Wall mounting
For wall mounting, the series connection number of batteries should be less than 4. If more batteries are installed, a cabinet is recommended.
NOTICE If battery connected in series mode, it’s more appropriate to be installed in grounding installation method, given that the power cable resistance difference between stack and battery pack will adversely attenuate voltage balance.
12

5.4.2 Cable connection for Parallel connection 5.4.2.1 Ground installation
For parallel installation, please pay attention to cable connection.
5.4.2.2 Wall mounting
For wall mounting, the parallel connection number of batteries should be less than 4, and if more batteries are installed, a cabinet is recommended. NOTICE Before two or more batteries are installed in parallel, please check the voltage of each battery and make sure the voltage difference is less than 2.0V.
6 Settings for CAN /485 bus pins
13

SW4 is used for CAN low signal by inverter (CANL/485B), SW5 is used for CAN high signal by inverter (CANH/485A). As SW1 the CAN/485 DIP switch, installers should confirm which communication is suitable for the inverter.

NOTICE

The battery default protocol is CAN bus. If an inverter communication mode is RS485 or other protocol, please contact customer careline before installing the battery.

7 Commissioning

7.1 Commissioning battery

If there is only one battery installed, the following steps are used to put it in operation:

Press and hold the panel button on the left side of the unit for about 4s, and release the panel button after the indicator

lights on.

Make sure that the Run light is on. If it stays off, do not use the battery and contact your distributor.

Turn the inverter on, and wait for the start-up sequence to complete fully.

When there are two or more batteries connected with parallel mode, after the charging cable and the data cable are connected correctly, these steps are needed to follow to put them in operation:

Check and ensure the battery voltage level is above 44V.

If battery voltage is under 44V, please contact your distributor after service customer careline for help.

Press and hold the panel button for about 4s, and the indicator lights will turn on after four seconds.

Release the panel button.

For all batteries, make sure that the Run light is on.

a.

Make sure the maximum voltage difference between batteries is less than 2.0V.

b.

If not, the installer should balance the battery voltage and then connect batteries together in parallel.

c.

Set the DIP switches like part 6-3 Settings for CAN /485 bus pins.

d.

Turn the inverter on, and wait for the start-up sequence to complete fully.

7.2 Shutting down battery

Shut down the battery only when there is no charge or discharge current, which could be seen on your smart phone with APP.

Press and hold the panel button for about 8s, and release it after a disconnected voice of relay comes out.

Make sure that every light on the battery is off.

8 Troubleshooting

If the information of battery cannot be searched in the monitoring system, check the battery status first. If the battery

status is OFF, please turn the battery on, and then check whether the WLAN is accessible for battery.

If registering the battery fails, please check the network of mobile phone nearby to guarantee the battery installation site is

available and stable.

14

Warranty of Residential ESS

This warranty specified below applies to RESS Lithium-ion Battery to consumers through authorized resellers. The accessories and tool kits provided are not included. In the event of a major failure of your unit, you will be entitled to obtain a replacement unit and your warranty will be transferred to the new unit. The units must only be utilized with controllers or equipment which is explicitly deemed compatible. In order to supply a high quality service, you should make sure the unit remains connected with Internet so that it can be remotely checked.
1 Purpose The purpose of this warranty is to define the matters related to warranty policy of products.
2 Warranty Condition

2.1 Warranty Period

The product warranty period is ten(10) years from the sales date as mentioned in the Seller’s invoice to End Users (“Invoice Date”) or six(6) months from the date of manufacturing whichever comes first.

This warranty period covers a capacity equivalent to one (1) full cycle per day. Full cycle: Discharge the nominal capacity of a fully charged battery and fully charge it afterwards. Micro cycles sum up to full cycles according to amount of energy charged and discharged. Note: Products are unavailable to protect themselves from deep discharge/charging in condition of without communication connection.

The products without communication connection warranty period is 5(five) years (1 full cycle per day) from the sales date as mentioned in the Seller’s invoice to End Users (“Invoice Date”). Regarding self-discharging degradation, it is guaranteed for 180 days after ex-work.

2.2 Limitation of Warranty scope

Under this Warranty, We are responsible for either battery replacement or battery repair. The Period of Performance Guarantee will continue on any repaired unit. In the event of a replacement units then the Period of Performance guarantee will transfer to the replacement unit.

In no event will be liable for any consequential, incidental or punitive damages(including without limitation of loss of profit, harm to goodwill or business reputation,or delay damages) arising from or out or the Product or its installation, use,performance or non-performance, or any defect or breach of warranty, whether based on contract, warranty, negligence, strict liability, or any other theory. Our aggregate liabilities, if any, in damages or otherwise, shall not exceed the purchase price paid by the Original Buyer for the product.

2.3 Exclusions of Warranty

Damage or impairment to the product resulting from any of following activities is NOT covered by this warranty:

Installation or use with any devices not approved as compatible.

Failure to install or use the battery in the way intended, or as demonstrated in the installation manual including

incorrect-installation of cables and connections.

Failure caused by charger or inverter unit.

Incorrect transportation, storage, installation or wiring by consumers or installers; if buyers fail to use the original packing

materials provided by sellers during the transportation of equipment, any damage or failure of the product shall not fall

under the warranty scope of the product.

Mistreatment of the product including incorrect installation environment, incorrect temperatures or using the units other

than in the specified manner.

Damage caused by any impact, physical trauma to the unit such as dropping or mishandling.

Attempts to change the functionality of the unit in any way, exposure of the product influenced by movement or shaking

following installation, or temperatures of more than 55°C or below -10°C.

Using the battery outside of the clearly stated performance criteria for the unit.

Water ingress, corrosive gas damage or installation in dirty environments causing particles to affect performance.

Anyone other than those authorized may not modify, disassemble, repair or replace the product.

The unit must carry clearly identifiable and authentic serial number and labels.

Products suffered any external influences including unusual physical force, electrical stress (power failure surges, inrush

current, lightning, flood, fire, accidental breakage, etc.).

Extensive superficial damage to the case demonstrating impact or mishandling or poor protection of the battery.

15

Product damage and defect caused by deliberately or willful acts.

Product failure not reported to the seller or authorized service partner within 1 week of appearance.

The product not being operated for any period of 6 months or more.

Unusual physical or electrical stress caused by force majeure, such as power failure surges, inrush current, lightning, flood,

fire, accidental breakage, etc.;

3 Performance Warranty

Guarantees that Residential ESS Lithium-ion Battery will retain greater than or equal to 70% of output energy capacity for 10 years from the Invoice date and follow the specification as well as the user manual provided.

Capacity measurement conditions (referenced IEC: 62619)

Ambient temperature: 25 ± 2

80%DoD

Total energy/Usable energy measured under specific conditions from 0.2C CC/CV at DC side.

But, if you suspect our verification, the product must be tested by an EU certified origination or a certified 3rd party testing company. Meanwhile, any 3rd party evaluation service fees shall be at your own expense, unless your claim is proven to be valid, in which case will be responsible for the testing costs.

4 Warranty Policy

If the product is not of acceptable quality upon arrival, the customer is entitled to request product repair or replacement.

5 About Service Products/Parts

Service products or accessories could be used as new or refurbished condition and guarantees relevant performance is equal to or higher than replaced device.

If the product is no longer sold in the market, promises to replace it with different kinds of products with equal or higher functions and performances, or the residual annual depreciation value of the paid price by the buyer within the time limit for performance guarantee.

6 Claim Policy

Whether to repair or replace the product will be determined in its sole discretion. Claims under this warranty must be proposed from

authorized distributors who purchased the product. Meanwhile, you must notify your distributor of a claim by:

Give a call or email to your distributor;

Contract with hotline or email us directly within 48 hours of a faulty discovered.

The following items must be included:

The original purchase receipt or equal valid document;

Description of the alleged defect(s) to your distributor after contacting service hotline or sending an email;

The product’s serial number and the initial installation date.

If the battery is suspected to be faulty, the unit should be returned to appointed distributors at the cost of customers at approved costs. If the unit is deemed faulty after inspection by designated experts, we will dispatch a REPLACEMENT or FIXED unit and credit the cost of returning the unit to us for testing (based on standard acceptable logistical costs).

7 Out Of Warranty

In the event the product is out of warranty, may (in its discretion) provide certain after-sales service to Original Buyer, but all related

costs and expenses, such as parts, labour costs and travel expenses, shall be borne by Original Buyer. To request such after-sales

service, Original Buyer must provide sufficient information about any defects, to enable authorized service partner to determine

whether such defects are capable of being repaired.

16

RED Declaration of Conformity (DoC)
We, Manufacturer’s name: CF ENERGY CO.LTD. Manufacturer’s address: Workshop No.18, Demonstration Base of Traditional Industry Transformation, High-tech Zone, Qindu District, Xianyang City, Shaanxi Province, PEOPLE’S REPUBLIC OF CHINA
declare under our sole responsibility that the product: Product name: Lithium- ion battery Type or model: CFE-5100
to which this declaration relates is in conformity with the essential requirements and other relevant requirements of the RED Directive (2014/53/EU). The product is in conformity with the following standards and/or other normative documents:
HEALTH & SAFETY (Art. 3(1)(a)): IEC 62040-1:2017, IEC 62619:2017, EN 62311:2008; EN 50665:2017
EMC (Art. 3(1)(b)): EN IEC 61000-6-1:2019, EN 61000-6-3:2007/A1:2011, EN 301 489-1 V2.2.3:2019, Draft EN 301 489-17 V3.2.2:2019

SPECTRUM (Art. 3(2)): EN 300 328 V2.2.2:2019 Technical file held by: CF ENERGY CO.LTD. Place of issue: Xianyang PRC Date of issue: December 14, 2021 Signed:

Teddy Du QA Director

CF Energy Co., Ltd

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First-class power battery system supplier First-class supplier of energy storage and microgrid
CF Energy Co., Ltd.
Company Address: Intelligent Manufacturing Base , Xianyang ,Shaanxi , PRC . Tel: (+86) 134 8085 4482 Web: www.cfess.cn E-mail: eva.lin@cfess.cn

References

• CF Energy

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