20S 72V или 84V литий-ионная батарея BMS 73V Lifepo4 PCB с постоянным током от 30A до 50A с функцией балансировки.

20S 72V или 84V литий-ионная батарея BMS 73V Lifepo4 PCB с постоянным током от 30A до 50A функцией балансировки.

My distinguished customers : you can contac us through trademanager or by email if  you have any further questions with our product 

 Please choose the shipment way as you like ,you you can consider express delivery way if your order is urgent , but you

should afford the extra freight cost by express delivery . 

 As post by air ,usually it takes around 20-60 days ,please notice it and do not open the disputes easily before reaching

the contact with us ,we will try our best to solve the problem with our joint efforts . 

We guarantee the product  from us with a 12 months warranty against defects in quality, but we are not responsible

for buyers' mistake or wrong handling, our product must be maintained in proper way. If Item is defective and not

working on arrival, please report the item to us within 7 days of receiving the defective product so we can issue a

RMA. 

 Please contact us to request a return authorization. Please include your name, auction number, and reason for return when

you contact us. All items returned must contain all original packaging materials. Please carefully repack the item. Items

returned will be tested and if found defective, the buyer will be shipped a new replacement unit immediately. In the event

that a suitable replacement is not available a refund will be issued. 

The return shipment cost should be afforded by buyer if you can not accept our policy  ,please do not buy the item from us ,fair deal is

importable for both of us .

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