3.7V 2000mAh 18650 Li Ion Battery Cells Rechargeable Lipo Batteries Pack with Connector for Medical Device - China Rechargeable Li-ion Battery, 18650 Battery | Made-in-China.com
Factory Supply Rechargeable Cylindrical 18650 Batteries for Medical Equipment UFX 18650-2S2P 4400mAh 7.4V Li-Ion Battery