Tadiran AA High Capacity 3.6 Volt Lithium Battery - Walmart.com
Li-Ion Charger (2 Slot) + 3 x 18650 3.6V Li-Ion Button Top Batteries (3400 mAh)
China Cylindrical Rechargeable Battery 18650 3.6V 2200mAh Lithium Ion Battery for LED Light - China 18650 Lithium Ion Battery for Diving Light, 18650 Lithium Ion Battery for LED Light