dji T40/T20P Intelligent Flight Battery User Guide

dji T40T20P Intelligent Flight Battery User Guide

Disclaimer

Congratulations on purchasing your new DJITM product. Read this entire document and all safe and lawful practices DJI provided carefully before use. Failure to read and follow instructions and warnings may result in serious injury to yourself or others, damage to your DJI product, or damage to other objects in the vicinity. By using this product, you hereby signify that you have read this document carefully and that you understand and agree to abide by all terms and conditions of this document and all relevant documents of this product. You agree to only use this product for purposes that are proper. You agree that you are solely responsible for your own conduct while using this product, and for any consequences thereof. DJI accepts no liability for damage, injury, or any legal responsibility incurred directly or indirectly from the use of this product.

DJI is a trademark of SZ DJI TECHNOLOGY CO., LTD. (abbreviated as “DJI”) and its affiliated companies. Names of products, brands, etc., appearing in this document are trademarks or registered  trademarks of their respective owner companies. This product and document are copyrighted by DJI with all rights reserved. No part of this product or document shall be reproduced in any form without the prior written consent or authorization of DJI.

This document and all other collateral documents are subject to change at the sole discretion of DJI. For up to date product information, visit www.dji.com and click on the product page for this product.

This document is available in various languages. In the event of divergence among different versions, the English version shall prevail.

Read Before First Use

The following terms are used in this document and on the warning labels on the product to indicate various levels of potential harm when operating this product:

CAUTION: Procedures which, if not properly followed, create a possibility of physical property damage AND a small possibility of injury.

WARNING: Procedures which, if not properly followed, create the probability of property damage, collateral damage, and serious injury OR a high probability of superficial injury.

This product must be operated with caution and expertise. Failure to operate this product in a safe and responsible manner could result in injury or damage to the product or other property. This product is not intended for use by those who are under 18 years old. DO NOT alter this product or use this product with incompatible components. This document contains instructions for safety, operation, and maintenance. It is essential to read and follow all of the instructions and warnings herein, prior to assembly, setup, or use, in order to operate the product correctly and avoid damage or serious injury

Introduction

The T40/T20P Intelligent Flight Battery uses high energy battery cells and an advanced power management system to provide long-lasting power to AGRASTM aircraft. The optimized battery cells and heat dissipation design effectively keep the temperature of the battery in check. When charging, the DJI Air- Cooled Heat Sink helps cool the battery down, reducing charging time and improving operation efficiency. The T40 Intelligent Flight Battery has a capacity of 30000 mAh at a nominal voltage of 52.2 V, while the T20P Intelligent Flight Battery has a capacity of 13000 mAh with the same voltage. Refer to the Specifications for the compatible aircraft for each battery model.
The T40 Intelligent Flight Battery is used as an example below.

1. Power Button
   Press to check the battery power level. Press and then press and hold to power on the battery. Only power the battery on and off when it is connected to the aircraft. Otherwise, the power ports on the battery and the aircraft will be damaged.

2. Status LEDs
   Indicate the battery level. From left to right: LED 1, LED 2, LED 3 and LED 4.

3. Handle
   Use the handle to carry the battery.

4. Clamp
   Use the clamp to firmly attach the battery to the aircraft. Press and hold the clamp to remove the battery from the aircraft.
   Power Port
   Connects to an aircraft, battery station, or multifunctional inverter generator.

5. Rubber Caps
   Protect the battery

Battery Functions

1. Battery Level Display: the status LEDs indicate the current battery level. Press the power button to check.
2. Communication: battery parameters including the voltage and power level are transmitted to the aircraft to enable the aircraft to take appropriate action when battery parameters change.
3. Battery Error Self-Diagnosis: the battery can detect errors such as abnormal voltage, current, and temperature, and issue an alert. The error information will be recorded in the battery.
4. Short Circuit Detection: after the battery is inserted into the aircraft and powered on, the battery will first detect if a short circuit exists on the aircraft. If detected, the battery will cut off the power supply to the aircraft to avoid fire.
5. Charging Error Detection: errors that occur during charging are indicated by the status LEDs. When an error occurs, wait for the battery to fix the error automatically. For more information, refer to the LED Patterns section.
6. Auto Balancing: in certain situations, the battery automatically balances the voltages of the cells.
7. Auto Discharging: if fully charged for more than one day, the battery automatically discharges to 97%. After 7 days, it automatically discharges to 60%.
8. Auto Current Adjustment: the battery intelligently adjusts the charging current based on the temperature of the battery cells. The battery also supports self-protection based on the environment temperature.
9. Temperature Control: the battery ensures the temperature difference between the battery cells are the same and stay within the allowable temperature range.

• Refer to the safety requirements listed on the label of the battery before using for the first time. Users accept full responsibility for any violations of the safety requirements stated on the label.
• The product warranty is void if any battery errors occur due to misuse of the battery

Using the Battery

Press and then press and hold the power button to power on the battery after it is connected to the aircraft. When the aircraft lands and the motors stop, press and then press and hold the power button to power off the battery, and then disconnect the battery from the aircraft.

• DO NOT use the battery near heat sources such as a furnace or heater. DO NOT leave the battery inside a vehicle on hot days.
• DO NOT allow the battery to come into contact with any liquid. DO NOT leave the battery near a source of moisture and DO NOT use the battery in humid environments. Otherwise, the battery may corrode, potentially resulting in the battery catchin  fire or exploding.
• DO NOT use swollen, leaking, or damaged batteries. If your battery is abnormal, contact an authorized DJI dealer for further assistance.
• Make sure the battery is powered off before connecting to or disconnecting from the aircraft. DO NOT connect or disconnect the battery while it is powered on. Otherwise, the power ports may be damaged.
• The battery should be used in the temperature range of -5° to 45° C (23° to 113° F). Use of batteries in environments above 50° C (122° F) can lead to fire or an explosion. Use of  the battery in temperatures below -5° C (23° F) can negatively affect the performance of the battery. The battery can be used again when it returns to a normal temperature.
• DO NOT use the battery in strong electrostatic or electromagnetic environments or near high voltage transmission lines. Otherwise, the battery circuit board may malfunction, which could cause a serious flight hazard.
• DO NOT disassemble or pierce a battery in any way or it may leak, catch fire, or explode.
• The electrolytes in the battery are highly corrosive. If any electrolytes make contact with your skin or eyes, immediately wash the affected area with water and see a doctor immediately.
• DO NOT use a battery that has been dropped. Dispose of the battery as described in the Battery Disposal section.
• If the battery falls into water while inserted in an aircraft during flight, take it out immediately, and put it in a safe and open area. DO NOT use the battery again and dispose of it properly as described in the Battery Disposal section.
• DO NOT put the battery in a microwave oven or a pressurized container.
• DO NOT place the battery on or near wires or other metal objects such as eyeglasses, watches, jewelry, and hairpins. Otherwise, the battery ports may be short-circuited.
• DO NOT drop or strike batteries. DO NOT place heavy objects on the batteries or station.  Avoid dropping batteries.
• Always use a clean, dry cloth when cleaning the battery terminals.
• DO NOT fly when the battery power level is below 15% to avoid damage to the battery and flight risks.
• Make sure the battery is correctly connected. Otherwise, the battery may overheat or even explode due to abnormal charging. Only use approved batteries from authorized dealers. DJI assumes no responsibility for any damaged caused by using batteries that are unapproved.
• Make sure to lift the battery by the handle
• Make sure the battery is placed on a flat surface to avoid damage to the battery from sharp objects.
• DO NOT place anything on a battery. Otherwise, the battery may be damaged, which may lead to fire hazards.
• The battery is heavy. Be careful when moving the battery to avoid dropping it. If the battery is dropped and damaged, immediately leave the battery in an open area away from people. Wait 30 minutes and soak the battery in water for 24 hours. After making sure the power has completely run out, dispose of the battery in accordance with local laws.

  CAUTION:

• Make sure the battery is fully charged before each flight.
• Immediately land the aircraft if a critical battery level warning appears and replace with a fully charged battery.
• Before operating in a low-temperature environment, make sure the battery is at least above 5° C (41° F). Ideally, above 20° C (68° F).

LED Patterns

The Battery Level Indicators will show the current battery level and status during charging and discharging. The indicators are defined below:
LED is on
LED is off
LED is blinking

Checking Battery Level
If the battery is in power saving mode, press the power button once to check the current battery level.

LED Patterns During Charging

During charging, the LEDs blink in sequence to indicate the current battery level. All the LEDs will be off after a full charge. Disconnect the battery when charging is complete, and always use the officially recommended charging device to charge the battery.

Battery Error LED Patterns

The table below shows battery protection mechanisms and corresponding LED patterns.

L ED1| LED2| LED3| LED4| Blinking Pattern| Battery Exception Item
---|---|---|---|---|---
| | | | LED2 and LED4 blink three times per second| Aircraft short circuit
| | | | LED2 blinks twice per second| Overcurrent detected
| | | | LED2 blinks three times per second| The battery system is abnormal
| | | | LED3 blinks twice per second| Overcharged detected
| | | | LED3 blinks three times per second| Charging device over-voltage
| | | | LED4 blinks twice per second| Charging temperature is too low
| | | | LED4 blinks three times per second| Charging temperature is too high
| | | | All 4 LEDs blink fast| The battery is abnormal and unavailable

If a short circuit occurs, unplug the battery, resolve the issue on the aircraft, and plug in the battery.

If the charging temperature is abnormal, wait for the charging temperature to return to normal. The battery will then automatically resume charging without the need to unplug and plug the charging device again.

For other situations, after resolving the issue (over current, excess battery voltage due to overcharging, or excess charging device voltage), press the power button to cancel the LED indicator protection alert and unplug and plug in the charging device again to resume charging.

  WARNING:

• DJI does not take any responsibility for damage caused by third-party charging devices.
• DO NOT charge the battery near flammable materials or on flammable surfaces such as carpet or wood. DO NOT leave the battery unattended during charging. There should be a distance of at least 30 cm between the battery station and any charging batteries. Otherwise, the battery station or charging batteries may be damaged by excessive heating and may even lead to a fire hazard.
• The battery temperature will be high after a flight. Place the battery into the DJI Air-Cooled Heat Sink or a third-party air-cooled heat dissipation device to charge it. Otherwise, charging may be disabled. Refer to the DJI Air-Cooled Heat Sink manual document for its usage instructions. Charge the battery at a temperature range of 0° to 60° C (32° to 140° F). The ideal charging temperature range is 22° to 28° C (72° to 82° F). Charging within the ideal temperature range can prolong battery life.
• DO NOT immerse the battery in water to cool it down or when it is charging. Otherwise, the battery cells will corrode causing serious damage to the battery. The user accepts full responsibility for any damage to the battery caused by immersing the battery in water.
• DO NOT charge the battery near heat sources such as a furnace or heater.
• Regularly check the terminals and battery ports. DO NOT clean the battery using alcohol or other inflammable liquid. DO NOT use a damaged charging device.
• Keep the battery dry at all times.

CAUTION:

• The battery stops charging when charging is complete. It is recommended to disconnect the battery once charging is complete.
• Make sure the battery is powered off before charging. Otherwise, the battery ports may be damaged

Battery Storage and Transportation

Disconnect the battery from the aircraft and check if there is any buildup in the battery port.
  WARNING:

• Power off and disconnect the battery from the aircraft or other devices during transportation.
• Keep batteries out of the reach of children and animals. Seek professional medical support immediately if children swallow parts of the battery.
• If the battery level is critically low, charge the battery to a power level of 40% to 60%. DO NOT store a battery with a low power level for an extended period. Otherwise, the performance will be negatively affected.
• DO NOT leave the battery near heat sources such as a furnace or heater. DO NOT leave the battery inside a vehicle on hot days.
• The battery must be stored in a dry environment.
• DO NOT place the battery near explosive or hazardous material or near metal objects such as eyeglasses, watches, jewelry, and hairpins.
• DO NOT attempt to transport a battery that is damaged or has more than 30% power. Discharge the battery to 30% or lower before transportation.
• Make sure the battery is placed on a flat surface to avoid damage to the battery from sharp objects.

CAUTION:

• If storing the battery for more than three months, it is recommended to store the battery in a battery safety bag in an environment at a temperature range from -20° to 40° C (-4° to 104° F).
• DO NOT store the battery for an extended period after fully discharging. Doing so may overdischarge the battery and cause irreparable damage to the battery cell.
• If a battery with a low power level has been stored for an extended period, the battery will be in deep hibernation mode. Charge to wake the battery.
• Disconnect the battery from the aircraft if you intend to store the battery for an extended period.

Battery Disposal

  WARNING:
Before disposing, make sure to soak the battery in water for 24 hours to completely discharge the battery. Dispose of the battery in specific recycling boxes. DO NOT place the battery in regular waste containers. Strictly follow your local regulations regarding the disposal and recycling of batteries.

CAUTION:
If the battery cannot be discharged completely, DO NOT dispose of the battery in a battery recycling box directly. Contact a professional battery recycle company for assistance.

Battery Maintenance

CAUTION:

• DO NOT splash the battery with water. An excessive amount of water will damage the battery.
• DO NOT store the battery when the temperature is outside the range of -20° to 45° C (-4° to 113° F).
• Battery performance will be negatively affected if the battery is not used for an extended period.
• Fully charge and discharge the battery at least once every three months to ensure the performance of the battery.
• If a battery has not been charged or discharged for five months or more, the battery will no longer be covered by the warranty.

Specifications

Specifications

|

T40 Intelligent Flight Battery (BAX601-30000mAh-52.22V)

|

T20P Intelligent Flight Battery (BAX601-13000mAh-52.22V)

---|---|---

Nominal Voltage

|

52.22 V

Battery Type

|

Li-ion

Battery Chemical System|

LiNiMnCoO2

Discharge Rate|

11.5C

Operating Temperature

|

-5° to 45° C (23° to 113° F)

Charging Temperature

|

0° to 60° C (32° to 140° F)

Warranty Details

|

1,500 cycles or 12 months (whichever occurs first)

IP Rating|

IP54 + Board-level potting protection

Compatible Aircraft

| DJI Agras T40, T20P, T30| DJI Agras T20P

Capacity

| 30000 mAh| 13000 mAh

Energy

| 1567 Wh| 679 Wh
Max Charging Power|

9500 W

| 4200 W
Compatible Charging Device[1]| D12000iE Multifunctional Inverter Generator, T30 Intelligent Battery Station[2]|

D6000i Multifunctional Inverter Generator, T20P Intelligent Charger, T30 Intelligent Battery Station[2]

Charging Time for Each Battery[3]

| Using the D12000iE Multifunctional Inverter Generator: 9-12 min| Using the D6000i Multifunctional Inverter Generator: 9-12 min
Weight| Approx. 12 kg|

Approx. 6 kg

1. Charging devices available for purchase vary by country or region. Consult your local dealers for details.
2. Firmware update is required to charge the T40/T20P Intelligent Flight Battery.
3. Charging time was tested in a lab environment at a temperature of 25° C (77° F). For reference only

Compliance Information

EU Compliance Statement: SZ DJI TECHNOLOGY CO.,LTD. hereby declares that this device (Lithium Ion Polymer Rechargeable Battery) is in compliance with the essential requirements and other relevant provisions of the Directive 2006/66/EC, 2014/30/EU A copy of the EU Declaration of Conformity is available online at www.dji.com/euro-compliance EU contact address: DJI GmbH, Industriestrasse 12, 97618, Niederlauer, Germany

GB Compliance Statement: SZ DJI TECHNOLOGY CO., LTD. hereby declares that this device (Lithium Ion Polymer Rechargeable Battery) is in compliance with the essential requirements and other relevant provisions of Electromagnetic Compatibility Regulations 2016. A copy of the GB Declaration of Conformity is available online at www.dji.com/euro-compliance.

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