UltraFire BRC 18650 4000mAh 3.7V Li-ion With PCB Battery (2-pack)
Factory Direct 18650 Lithium Battery 3.7 V High Capacity Tip, Flat Digital, Power Battery Pack Can Be Charged One-Stop Service for Purchasing and Plate Maki - China Ga, SANYO | Made-in-China.com
Brc 18650 Battery Battery | Li-ion Battery | 4000mah 3.7 | Parts Accs - Brc 18650 3.7 V - Aliexpress