CREABEST VB021-20AH Leisure Battery User Manual

: June 17, 2024
: creabest

Table of Contents

Creabest VB with Bluetooth Series Models
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CREABEST VB021-20AH Leisure Battery User Manual

Creabest VB with Bluetooth Series Models

Modèle| VB021-20AH| VB022-30AH| VB026-40AH| VB006-40AH| VB023-50AH| VB018-100AH| VB034-135AH
---|---|---|---|---|---|---|---
Capacité nominale| 20Ah, 256Wh| 30Ah, 384Wh| 40Ah, 512Wh| 40Ah, 512Wh| 50Ah, 640Wh| 100Ah, 1280Wh| 135Ah, 1728Wh
Tension nominale| 12.8V| 12.8V| 12.8V| 12.8V| 12.8V| 12.8V| 12.8V
Tension de protection de décharge BMS| 8V| 8V| 10.6V| 10.6V| 10.6V| 10.6V| 10.6V
Tension de charge recommandée| 14.4V-14.6V| 14.4V-14.6V| 14.4V-14.6V| 14.4V-14.6V| 14.4V-14.6V| 14.4V-14.6V| 14.4V-14.6V
Courant de décharge standard| 10A| 15A| 20A| 20A| 25A| 50A| 67A
Courant de décharge continu max.| 20A| 30A| 40A| 40A| 50A| 100A| 135A
Courant de coupure de décharge BMS| 30A(1S)| 40A(1S)| 100A(10S)| 100A(10S)| 100A(10S)| 180A(10S)| 200A(10S)
Courant de décharge de crête| 30A(1S)| 40A(1S)| 150A(5S)| 150A(5S)| 150A(5S)| 350A(5S)| 350A(5S)
Courant de charge standard| 10A| 15A| 20A| 20A| 25A| 50A| 67A
Courant de charge max| 20A| 30A| 40A| 40A| 50A| 100A| 135A
Type de borne| M5| M6| M6| M6| M6| M8| M8
Poids Net| 2.25KG| 3.65KG| 5.4KG| 5.4KG| 5.9KG| 10.0KG| 13.5KG
Taille (LWH) (mm)| 18177170| 22395175| 223135182| 223120176| 223135182| 329173214| 329173214
Température de charge| 0°C -55°C
Température de décharge| -20°C -60°C
Résistance| ≤10mΩ

Product Description

General Information
In order to achieve stable power supply even under heavy loads, lithium batteries are definitely the best substitute for lead-acid batteries.
In addition to the extremely high weight advantage, it also has a huge energy reserve, which allows automatic balancing between parallel
connections and provides greater flexibility for battery connection. The built-in intelligent battery management system (BMS) of Creabest’s
LIFEPO4 battery not only protects the battery from various abnormal conditions, but also monitors the charging/discharging process. LIFEPO4 batteries ensure a long service life and excellent discharge capacity. Compared with lead, gel or AGM batteries, it can handle high current, has a long range and is light in weight. In addition, the latest lithium-iron technology offers a high degree of intrinsic safety, so there is no risk of explosion even under the most extreme conditions.
Lithium iron phosphate batteries are the safest of the conventional lithium battery types. The nominal voltage of the lithium iron phosphate battery is 3.2V. Therefore, a 12.8V LIFEPO4 battery consists of 4 cells connected in series; a 24V LIFEPO4 battery consists of 8 cells connected in series.

Main Features
Lithium iron phosphate batteries are the chemistry of choice for a range of very demanding applications. Some of its function are:
The battery management system (BMS) provides comprehensive protection for the battery and intelligently manages the charging/discharging process.

Long service life, generally up to 7-8 years.
High cycle life, even in the case of regular deep discharge, the cycle life is more than 3000 times.
No memory effect
High energy density – greater capacity, less weight and volume.
High charge and discharge current – fast charge and discharge possible.
Environmentally friendly, lead-free and acid-free.

Applicable fields: motorhomes and caravans/photovoltaics, solar and renewable energy systems/fishing, electric boat motors/power banks, camping and recreational activities.

Battery Management System (BMS)
The battery management system monitors and controls the individual cells of the battery, ensuring that the battery shuts down under conditions such as undervoltage or overload, and automatically restarts as soon as the problem is corrected to prevent damage to the battery.
Important functions of the battery management system:

Overload protection
In case of overload, BMS will turn off the battery output to protect the battery.
The battery has no voltage at this time; when conditions return to normal, the battery automatically returns to normal.
Deep discharge protection
Each cell inside the battery is individually monitored for deep discharge, and if this causes the battery output to be turned off, the battery can only be turned on again by charging.
Note: Even small consumers such as alarm systems, relays, backup systems, etc. will drain capacity and discharge the battery. If the battery will not be used for an extended period of time, disconnect all connections from the battery to the system.
Overvoltage protection
The total charging voltage of 12V LIFEPO4 battery is 14.6V, and the total charging voltage of 24V LIFEPO4 battery is 29.2V (the charging voltage of a single cell should not exceed 3.65V/cell), otherwise the battery will be damaged due to overvoltage. Therefore, it is best to use a dedicated charger with a final charging voltage of 14.4V-14.6V (28.8V-29.2V for 24V batteries) to charge LIFEPO4 batteries. While the BMS protects the battery from being overcharged, it itself must sink and consume current. If the charging voltage exceeds 14.6V (24V battery is 29.2V) for a long time, it will damage the BMS!
Active battery balancing
The built-in active balancer can adjust the battery at any time to ensure that the internal small batteries (cells) have the same voltage and prolong battery life.
Charging control
The BMS monitors and controls all parameters for reliable and safe charging at all times. If something goes wrong, charging can be prevented by turning off the battery output to protect the battery.
Battery temperature protection
When the battery temperature is too high/low, the BMS will shut down the battery. At this time, it is necessary to wait for the temperature to return to normal conditions before the BMS turns on the battery again.

Safety rules and measures

General Warnings
- Please read this manual before installing and using the battery.
- The manufacturer is not responsible for any damage caused by incorrect handling or misuse of the product.
- Batteries cannot be used in series.
- Do not short-circuit the positive and negative terminals of the battery pack.
- Please check the connection circuit to make sure the adapter and connector are correct.
- Keep the battery away from water, heat sources, sparks and harmful chemicals.
- Do not immerse the bag in water or dispose of it in fire.
- Do not leave the package in a place exposed to high temperature or direct sunlight.
- Do not puncture, drop, squeeze, burn, penetrate, shake or hit the battery.
- Keep the battery pack in a cool and dry place. If stored for more than three months, please charge it to 80% before use, the battery should be charged every 3 months.
- Do not disassemble or reassemble the battery pack.
Charging and Discharging Warnings
If the discharge depth of LiFePO4 is too large, it may cause damage and cause danger, please install a safety relay or isolating switch to avoid deep discharge of silent electrical equipment.
Lithium batteries release harmful gases such as phosphate if they are damaged or overcharged.
The battery can be charged at a temperature range of 0°C to 50°C. Charging the battery at temperatures outside this range may severely damage the battery or shorten its life.
The battery can be discharged at a temperature range of -20°C to 60°C. Discharging the battery at temperatures outside this range may severely damage the battery or shorten battery life.
Transportation Warnings
Lithium batteries must be shipped in their original or appropriate packaging, never lift the battery by the connection, but only by the handle.
Batteries were tested in accordance with the United Nations Manual of Tests and Criteria, Part III, Subsection 38.3 (ST/SG/AC.10/11/5th edition). In terms of transportation, the battery belongs to UN3480 category 9, category II packaging, and relevant regulations must be followed. This means that it must be packed according to Packing Instruction P903 for transport by land or water (ADR, RID and IMDG) and according to Packing Instruction P965 for transport by air (IATA). The original packaging complies with these requirements.
Disposal/Recycling of Batteries
- Batteries marked with the recycling symbol must be disposed of through a recognized recycling agency
- Batteries must not be disposed of together with household or industrial waste.
- LiFePO4 iron phosphate batteries are subject to disposal and recycling regulations, depending on the country and region.
  Do not throw the battery into fire.

Install the battery

Inspection
After receiving the LIFEPO4 battery, please carefully inspect the battery for any external damage by any means (such as shipping). In this
case, do not put the battery into service and contact the seller.
Preparation
In addition, due to transportation safety requirements, the power of the factory battery is generally around 70%.
- Insulating gloves, insulating tape
- AWG3/30mm2 or thicker wire (black and red)
  Note: The cross-sectional area of the cable can vary depending on the battery capacity.
- Ordinary wrench / Allen wrench
  In addition, due to transportation safety requirements, the power of the factory battery is generally around 70%. And due to differences in shipping and storage, not all batteries have the same charge when you receive them. It is recommended to charge the battery first.
Battery Connection
- Before connecting the battery, please use the battery switch button to turn off the battery: press and hold the switch for about 4 seconds.
- Make sure the inverter is turned off.
- Please use glue or straps to fix the battery firmly. The distance between the battery pack and the inverter should be less than 100cm.
- Connect the cable: Put the cable lug on the battery pole, put the washer on, put on the spring washer, then insert and tighten the screw.
  When tightening the screws, use the correct torque and use an insulated tool the same size as the battery wrench.
- Securely lock the black wire to the negative terminal of the inverter, then securely lock the other connector to the negative terminal of the battery. Use electrical tape to protect exposed copper wires.
- Securely lock the red wire to the positive terminal of the inverter, then securely lock the other end to the positive terminal of the battery.
  Use electrical tape to protect exposed copper wires.
- When connecting the wires to the two terminals of the battery, do not short-circuit the wires. The connecting cable clamp and the battery
  terminal must be firmly connected.
  Note: Make sure the positive and negative poles of the LIFEPO4 battery are connected correctly. If the battery is connected incorrectly, the
  BMS electronics will be irreparably damaged and a new BMS board will need to be replaced. This is not covered by the warranty.
Installation Location/Conditions
LIFEPO4 batteries are relatively light in weight compared to lead-acid batteries (AGM, GEL, etc.), but when installing, ensure that the batteries are properly secured and always use the proper means of transport. If the battery holders are already available and fit, you can continue to use them.
Note: The battery can be installed vertically or lying flat. Make sure the LIFEPO4 battery is installed and secured against back and forth movement during use (tighten the elastic). Always handle lithium batteries with care to avoid accidents.
Discharge Curve at Different Rates (25°C)

State of Charge Curve (0.5C, 25°C)

Charging Characteristic (0.5C, 25°C )

Different Temperature Discharge Curve (0.5C)

Different Temperature Self Discharge Curve
Different DOD Discharge Cycle Life Curve
Battery Care/Maintenance
- Periodically perform visual inspection.
- Check the appearance of the battery. The top of the battery and connector terminals should be clean, dry and free of corrosion.
- Check battery cables and connections. Replace damaged cables and tighten loose connections.
- Please clean the battery regularly.
- Disconnect the battery from the charging source or load.
- Clean the top of the battery and the connections with a damp cloth or a non-metallic brush.
- Wipe the battery dry with a clean cloth, and keep the area around the battery clean and dry.
- Make sure the battery is completely dry before reactivating and/or reconnecting it to a charging source or load.
- Keep the terminals and plugs free from corrosion. Corrosion of terminals can affect battery performance and pose a safety hazard.
- Please check the battery voltage regularly to evaluate the battery condition. Use periodically at least once a year to maintain battery capacity and calibrate state of charge.
Battery Storage/Winterization
Follow these tips to make sure your battery is in good shape:
- Before long-term storage, please charge the battery to 60%-80%, and put the battery pack in a cool and dry place.
- Disconnect the battery from the device to remove any parasitic loads that may discharge the battery.
- Handle the battery with care, do not puncture, drop, squeeze, burn, penetrate, shake or hit the battery.
- Recharge the battery at least once every 3 months to avoid over-discharging. It is recommended to charge the battery to approximately 60%-80% of its capacity
- Keep the battery away from water, heat sources, sparks and harmful chemicals.
- Do not immerse the battery in water or dispose of it in fire.
- Do not place the battery in a place subject to high temperature or direct sunlight.
- The battery has been charged to 90% when leaving the factory. Due to the long transportation time, the voltage may be too low. It is recommended that you fully charge the battery before using it.
- Temperatures below -20°C will not damage the battery, however, it should generally be ensured that very cold batteries are slowly acclimatized to the ambient temperature. Rapid heating can cause condensation to form inside the case and damage the battery.

Service and Support

4.1 Services
If you have any questions about the battery after purchase or during operation, please refer to the following instructions:
- If the battery voltage is too low to reliably supply power to the load, please charge the battery as soon as possible.
- If the battery temperature is too high or too low, please disconnect all connections and let the battery stand upright until it cools down or warms up to room temperature.
- If excessive current flows through the battery and causes battery failure, please disconnect the load until the battery returns to normal.
- If the battery fails due to a short circuit, please remove the short circuit immediately, and the battery will resume normal operation.
- If the battery is locked due to over-discharge, please use an external charger with lithium battery activation function to activate it.
  You can also contact us via email for assistance, please specify the problem or attach a picture when contacting.
  Tip: When contacting us directly, please have your customer or invoice number and item number ready
Returns and Refunds
If for any reason you are not satisfied with your purchase, you can return it.
- Return the goods within 30 days of receipt as long as they are complete and in an unused, undamaged and unaltered condition.
- If your item does not meet these requirements, we cannot guarantee its acceptance for a refund or exchange. Returns beyond 30 days require special approval.
- Creabest waives restocking costs and pays for shipping on items returned for any of the following reasons: shipping damage, defective product, wrong product received, or other product not ordered. For all other reasons, the customer is responsible for shipping costs.
- After receiving the returned product, you will receive your refund within 3-5 working days.
- Creabest service should be contacted before returning the product. Creabest is not responsible for returned items if you do not notify us in advance.
- Please note that Creabest does not accept returns on products that have been remodeled as this will void our warranty policy. If we receive a modified product, it will be returned at your expense.
  What information do we need from you:
- Order number and product code
- A detailed description of the problem. It is strongly recommended that you provide detailed picture descriptions or detailed video descriptions.
- After returning the goods, please inform us of the return logistics information in time.
  Please note that no refunds are possible in the following cases:
- Man-made damaged goods.
- Improper use can cause damage to the product
Guarantee and Warranty
Creabest products are manufactured according to the most stringent quality standards, and creabest guarantees that LiFePO4 batteries can be delivered in perfect condition.
- Creabest provides a statutory warranty against production and material defects at the time of delivery of the product for a period of 2 years.
- Creabest accepts no responsibility for typical signs of wear.
- The warranty does not apply to defects traceable to natural wear, misuse or insufficient maintenance. Use of this product is at your own risk.
- Warranty will only be confirmed if the product is returned with a copy of the purchase receipt or order information. In no event shall the warranty exceed the value of the product.
- By activating the product, you acknowledge the above conditions and take full responsibility for the use of this product.
- Any weight, size or other values provided by Creabest should be understood as guidelines. Creabest does not undertake any formal obligation for such specific information, as technical changes for a more efficient utilization of the product may result in different values.