Cheap And Discounts DYKB 2S 7.4V 8.4V 8A Li-ion Lithium Battery 18650 Charger battery Protection Board 16A current limiting 3.7V 4.2V Wholesale. Buy Directly From Merchant DYKBcells Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.