Lithium-Ion Battery, Custom Battery Pack, 48V Battery manufacturer / supplier in China, offering Medical Device Li-ion Power Pack Lithium Battery – Panasonic NCR18650 Series, Safe and Compact Design, Custom Rechargeable Lithium Battery Pack with Panasonic NCR18650b/Ga – Ideal for Portable Medical Monitors, High-Capacity 18650 Battery Pack with Panasonic NCR18650b/Ga Cells – 7.4V / 11.1V / 14.8V Optional for Medical and Industrial Use and so on.