Cheap And Discounts Xtar 2/4PCS 18650 4000mah High power and large capacity 3.6V 10A output rechargeable batteries for power bank and power tools Wholesale. Buy Directly From Merchant XSTAR Battery Charger Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.