# 5.5 Maintaining and Handling the Smart Battery Model: lite-640t · Manual v1.0.2 Canonical: https://shop.skyflow.ca/learn/autel/evo-lite-enterprise/manuals/evo-lite-640t-v1-0-2/5-5-maintaining-and-handling-the-smart-battery Source: https://drive.google.com/file/d/1yQTDKasKxbvfVdANOx9bmlPYml-2dkCE/view Updated: 2026-10-17 EVO Lite 640T Enterprise · SE V2 controller ## 5.5.1 Maintaining the smart battery [PDF page 97, block 5](https://shop.skyflow.ca/learn/autel/evo-lite-enterprise/manuals/evo-lite-640t-v1-0-2/5-5-maintaining-and-handling-the-smart-battery#p97-b5) In order to maintain the activity of the smart battery of the aircraft, it is recommended to perform battery maintenance if any of the following conditions are met: [PDF page 97, block 6](https://shop.skyflow.ca/learn/autel/evo-lite-enterprise/manuals/evo-lite-640t-v1-0-2/5-5-maintaining-and-handling-the-smart-battery#p97-b6) It is recommended to perform battery maintenance for the smart battery every 50 times of battery cycle. [PDF page 97, block 7](https://shop.skyflow.ca/learn/autel/evo-lite-enterprise/manuals/evo-lite-640t-v1-0-2/5-5-maintaining-and-handling-the-smart-battery#p97-b7) The idle time of the smart battery reaches 3 months. [PDF page 97, block 8](https://shop.skyflow.ca/learn/autel/evo-lite-enterprise/manuals/evo-lite-640t-v1-0-2/5-5-maintaining-and-handling-the-smart-battery#p97-b8) Occasionally, there are situations that affect the lifespan of the smart battery. In this case, you can try maintenance and repair. [PDF page 97, block 9](https://shop.skyflow.ca/learn/autel/evo-lite-enterprise/manuals/evo-lite-640t-v1-0-2/5-5-maintaining-and-handling-the-smart-battery#p97-b9) The flight application reminds you when the smart battery needs maintenance. [PDF page 97, block 10](https://shop.skyflow.ca/learn/autel/evo-lite-enterprise/manuals/evo-lite-640t-v1-0-2/5-5-maintaining-and-handling-the-smart-battery#p97-b10) The following battery maintenance check items are available for the smart battery: [PDF page 97, block 11](https://shop.skyflow.ca/learn/autel/evo-lite-enterprise/manuals/evo-lite-640t-v1-0-2/5-5-maintaining-and-handling-the-smart-battery#p97-b11) 1. Perform a standard charge and discharge operation on the smart battery. [PDF page 97, block 12](https://shop.skyflow.ca/learn/autel/evo-lite-enterprise/manuals/evo-lite-640t-v1-0-2/5-5-maintaining-and-handling-the-smart-battery#p97-b12) 2. Insert the smart battery into the aircraft and turn on the power. Check the battery information through the flight application, whether the voltage difference between the battery cells is less than 0.1 V, and whether the battery firmware is up to date. [PDF page 97, block 13](https://shop.skyflow.ca/learn/autel/evo-lite-enterprise/manuals/evo-lite-640t-v1-0-2/5-5-maintaining-and-handling-the-smart-battery#p97-b13) 3. Check whether the smart battery is bulged, leaked, or damaged. [PDF page 97, block 14](https://shop.skyflow.ca/learn/autel/evo-lite-enterprise/manuals/evo-lite-640t-v1-0-2/5-5-maintaining-and-handling-the-smart-battery#p97-b14) 4. Check the battery connector for dirt, damage, or rust. [PDF page 97, block 15](https://shop.skyflow.ca/learn/autel/evo-lite-enterprise/manuals/evo-lite-640t-v1-0-2/5-5-maintaining-and-handling-the-smart-battery#p97-b15) ## 5.5.2 Standard charging and discharging process [PDF page 97, block 16](https://shop.skyflow.ca/learn/autel/evo-lite-enterprise/manuals/evo-lite-640t-v1-0-2/5-5-maintaining-and-handling-the-smart-battery#p97-b16) Use the maintenance charging mode of the original charger, and proceed as follows: [PDF page 97, block 17](https://shop.skyflow.ca/learn/autel/evo-lite-enterprise/manuals/evo-lite-640t-v1-0-2/5-5-maintaining-and-handling-the-smart-battery#p97-b17) 1. Use the battery charger included in the standard aircraft combo to charge the smart battery to 100% and let the battery sit for 1 hour. [PDF page 97, block 18](https://shop.skyflow.ca/learn/autel/evo-lite-enterprise/manuals/evo-lite-640t-v1-0-2/5-5-maintaining-and-handling-the-smart-battery#p97-b18) 2. Insert the smart battery into the aircraft to fly, control the aircraft to land when the remaining battery level is less than 20%, and then take out the battery. [PDF page 97, block 19](https://shop.skyflow.ca/learn/autel/evo-lite-enterprise/manuals/evo-lite-640t-v1-0-2/5-5-maintaining-and-handling-the-smart-battery#p97-b19) 3. Let the smart battery sit for 8 hours. [PDF page 97, block 20](https://shop.skyflow.ca/learn/autel/evo-lite-enterprise/manuals/evo-lite-640t-v1-0-2/5-5-maintaining-and-handling-the-smart-battery#p97-b20) 4. After the above operations are completed, a standard battery charging and discharging operation is completed. [PDF page 97, block 21](https://shop.skyflow.ca/learn/autel/evo-lite-enterprise/manuals/evo-lite-640t-v1-0-2/5-5-maintaining-and-handling-the-smart-battery#p97-b21) ## 5.5.3 Smart battery replacement standards [PDF page 97, block 22](https://shop.skyflow.ca/learn/autel/evo-lite-enterprise/manuals/evo-lite-640t-v1-0-2/5-5-maintaining-and-handling-the-smart-battery#p97-b22) There are obvious bulges, leakage, and damage on the smart battery surface. [PDF page 97, block 23](https://shop.skyflow.ca/learn/autel/evo-lite-enterprise/manuals/evo-lite-640t-v1-0-2/5-5-maintaining-and-handling-the-smart-battery#p97-b23) Damage to or irreparable rust on the metal contacts at the power supply interface of the smart battery. [PDF page 97, block 24](https://shop.skyflow.ca/learn/autel/evo-lite-enterprise/manuals/evo-lite-640t-v1-0-2/5-5-maintaining-and-handling-the-smart-battery#p97-b24) After the number of cycles of the smart battery reaches 200, it is recommended to replace the battery with a new one. [PDF page 97, block 25](https://shop.skyflow.ca/learn/autel/evo-lite-enterprise/manuals/evo-lite-640t-v1-0-2/5-5-maintaining-and-handling-the-smart-battery#p97-b25) After 2 consecutive standard charge and discharge operations, if the abnormal battery still cannot be repaired, it is recommended to replace it with a new one. [PDF page 98, block 2](https://shop.skyflow.ca/learn/autel/evo-lite-enterprise/manuals/evo-lite-640t-v1-0-2/5-5-maintaining-and-handling-the-smart-battery#p98-b2) ## 5.5.4 Recycling the smart battery [PDF page 98, block 3](https://shop.skyflow.ca/learn/autel/evo-lite-enterprise/manuals/evo-lite-640t-v1-0-2/5-5-maintaining-and-handling-the-smart-battery#p98-b3) If the smart battery is discarded due to damage, leakage, or other issues that compromise the integrity of the battery shell, it is recommended to completely immerse the battery in an insulated bucket filled with 5% salt water for more than 48 hours until the battery is completely discharged. [PDF page 98, block 4](https://shop.skyflow.ca/learn/autel/evo-lite-enterprise/manuals/evo-lite-640t-v1-0-2/5-5-maintaining-and-handling-the-smart-battery#p98-b4) If the smart battery is normally retired, confirm that it is completely discharged, and then properly recycle it according to local lithium battery waste disposal policies to avoid environmental pollution. [PDF page 98, block 5](https://shop.skyflow.ca/learn/autel/evo-lite-enterprise/manuals/evo-lite-640t-v1-0-2/5-5-maintaining-and-handling-the-smart-battery#p98-b5) 5.5 Maintaining and Handling the Smart Battery — manufacturer illustration ![5.5 Maintaining and Handling the Smart Battery — manufacturer illustration](https://shop.skyflow.ca/manuals/evo-lite-640t-v1-0-2/203cabb09abacd70eacab59a.webp) [PDF page 98, block 6](https://shop.skyflow.ca/learn/autel/evo-lite-enterprise/manuals/evo-lite-640t-v1-0-2/5-5-maintaining-and-handling-the-smart-battery#p98-b6) ## Important [PDF page 98, block 7](https://shop.skyflow.ca/learn/autel/evo-lite-enterprise/manuals/evo-lite-640t-v1-0-2/5-5-maintaining-and-handling-the-smart-battery#p98-b7) When the smart battery catches fire, please use solid fire extinguishers such as sand or dry powder extinguishers. [PDF page 98, block 8](https://shop.skyflow.ca/learn/autel/evo-lite-enterprise/manuals/evo-lite-640t-v1-0-2/5-5-maintaining-and-handling-the-smart-battery#p98-b8)