Cheap And Discounts JK-BD6A20S12P 8S-20S 120A SMART BMS Active equalization 24V 36V 48V 60V Lithium battery protection board Wholesale. Buy Directly From Merchant Shop1103337317 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.