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This is a TB47/48 Balancing Harness we made for external charger balancing batteries that have gone far out of balance.
Such batteries would not operate correctly.
The battery was discharged down to Battery Management System (BMS) Shutdown.
The residual individual cell voltages were then balanced using the external charger.
Using the external charger, we balance charged the batteries to Full.
The discharge was performed again to BMS Shutdown.
The discharge/balance/balance-charge cycle was performed about 3 time and the batteries now perform like new.
The external charger-balancer used was the T240-Duo.
![20230502_155307[1].jpg 20230502_155307[1].jpg](https://inspirepilots.com/data/attachments/33/33666-ae5617ff25b859b2efe5321d04d127a6.jpg?hash=rlYX_yW4Wb)
The Balancing Harness is permanently installed into the battery.
Pos & Neg battery posts are brought out to the head to enable battery cluster maintenance without disassembling/removing the battery head.
![20230502_155528[1].jpg 20230502_155528[1].jpg](https://inspirepilots.com/data/attachments/33/33667-93ee1793cc42d9de693e538ea40ed797.jpg?hash=k-4Xk8xC2d)
BTW....we tried the HSABAT battery blocks available through Alibaba and found them to be inferior.
The HSABAT TB48 version is nowhere near the 'mAH' rating of the original batteries.
I would not buy those again.
Such batteries would not operate correctly.
The battery was discharged down to Battery Management System (BMS) Shutdown.
The residual individual cell voltages were then balanced using the external charger.
Using the external charger, we balance charged the batteries to Full.
The discharge was performed again to BMS Shutdown.
The discharge/balance/balance-charge cycle was performed about 3 time and the batteries now perform like new.
The external charger-balancer used was the T240-Duo.
![20230502_155307[1].jpg 20230502_155307[1].jpg](https://inspirepilots.com/data/attachments/33/33666-ae5617ff25b859b2efe5321d04d127a6.jpg?hash=rlYX_yW4Wb)
The Balancing Harness is permanently installed into the battery.
Pos & Neg battery posts are brought out to the head to enable battery cluster maintenance without disassembling/removing the battery head.
![20230502_155528[1].jpg 20230502_155528[1].jpg](https://inspirepilots.com/data/attachments/33/33667-93ee1793cc42d9de693e538ea40ed797.jpg?hash=k-4Xk8xC2d)
BTW....we tried the HSABAT battery blocks available through Alibaba and found them to be inferior.
The HSABAT TB48 version is nowhere near the 'mAH' rating of the original batteries.
I would not buy those again.