20S or 21S Li ion or Lifepo4 Battery Smart Bluetooth BMS with 80A constant current for 72V or 60V battery Pack

FAQ:

1) Where I can get the software and connection diagram ? 

As for this BMS connection and software  ,You can download our arranged Link without problems .

2) Q: I am a fresh person who bigin the battery assembly without pack experience .how can I assembly it with your instructions .

Shipment :

Client can choose suitable shipment methods based on your demand ,Post air parcel service aliexpress standard service or Express service will all be available, we will ship all orders strictly in according to the selected shipment methods by our customer . normally , Post parcel shipment time takes 7~60days depends on different countries serivce . and express takes 2~15days to the destination normally .

for the shipment ,client should afford the import tax or duty cost and take charge of custom clearance with our support positively ,as a seller , we wont afford any extra duty cost on buyer side if the buyer custom need to charge it .

Quality warranty:

For our Product , we made twice full inspection before the delivery so as to make sure to low the quality risk in a very lower level .we will take a full responsibility for any defect product caused by our design and production problems ,warranty time is 12 months since the shipment date . but for any defect product caused by any wrong or slavery application from customers . we will not take the responsibility for that , because for this BMS product ,it do need some skills to make installation . please consult us in advance if you are not clearly with bms connection in the hope of avoid any mistakes of connection . if Buyer damaged the BMS , we can offer the free repairing service to our client , but client should take care of shipment cost .please know it kindly in advance . thank

Problems Shooting :

when clinent found there is any problems with our product or with shipment , quantity less ,product damage or other problems with our transaction , please inform us in advance to quickly find a solution for both side before lodge the dispute . Business needs mutual support , let solve any problems in friendly understanding ways .

Feedback:

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items and services.If you have any problems with our itmes or services, please feel free to contact us first before you leave negative feedback. We will do our best to solve any problems and provide you with the best customer services.