Amazon.co.jp: USB Battery Charger, Lithium Ion 3.7 V, Compatible with Rechargeable Batteries, Can Charge 4 Simultaneously with USB Output Function, Li-ion IMR 18650 16340 AA AAA (RCR123A) Charger : Electronics
18650 3.6V 2200mAh rechargeable lithium battery
18650 Rechargeable Battery Lithium Ion Battery (1pc) 1200mAh Lithium-Ion 18650 Battery 3.7V 18650 Rechargeable Lithium Battery Charging Voltage 4.2 V Nominal Voltage 3.7V | Lazada PH