Q7：Are the batteries you use brand new? grade A?
R7：Yes, all of battery pack use brand new battery cells and the grade is A.
Q8：What functions does your battery support?
R8：Our battery can support customized Bluetooth monitoring function, RS485 or CAN-bus communication function
Q9：Can I buy a few batteries as samples? What is the quantity of minimum order?
R9：Of course, we are supporting customers to buy 1-2 samples as the beginning of our business cooperation.
Q10：How do we make the payment?
R10：T/T , Western Union , Ali Pay, Escrow, and Paypal are warmly welcomed.
Q11：What’s the lead time for mass production
R11：It depends on the actual situation. 3-7 days with stock, if without stock, that will be depends on your order quantity, normally needs 20-25 days.