Repair manual price: 1000€ + Tax CLICK HERE TO BUY REPAIR MANUAL This operation manual is a proprietary business secret that outlines the successful refurbishment process for BMS Battery system and battery recovery. By following the provided instruction steps, which include text, images, and videos, you will be fully equipped to repair the BMS effectively and efficiently
Common causes:
-Deep discharge - Discharge without 12V support -After crash incident
1- Frist troubleshoot that you got same errors readed via diagnostic tool. You can manualy check if there is any voltage on battery terminals.
It is noteworthy that this procedure consists of steps that do not require cutting off the upper cover or completely dismantling the battery
2- This operation manual is made purely for deep discharge 12V battery systems when voltage drops below 8V and internal BMS system cuts off internal relay and then battery is usualy for change by OEM user manual. In many cases if battery was not in depleated state too long, not longer than 2 months than you can recover BMS and Cells with this training operation manual. Worth mentioning this procedure is made of steps where you dont need to cut off upper cover od dismantle complete battery
3- Lower picture is showing how it looks like when you cut upper cover and when we measured voltage on one defect battery. Total voltage was 2.9V. Remember, you dont need to open upper cover, this is just example
4- Now lets access positive terminal before internal contactors by driling small hole with step dril. 2.5 cm from the edge at the bottom part of lid, make cross and prepare for drilling
5- Using a 45-degree attack angle, carefully...
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