Cheap And Discounts 4S 3S 0-6A Active Equalizer Transformer Balancer Lifepo4 Li-ion Battery Energy Balance F/ 12V Electric CAR BMS Protection Board Wholesale. Buy Directly From Merchant Honest-BUY Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.