Cheap And Discounts Bisida 8S BMS 28.8V/25.6V Li-ion/Lifpeo4 Common Port Battery Management System PCB Protection Board with Balance Wire and NTC Wholesale. Buy Directly From Merchant Bisida Official Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.