Lithium-Ion Battery, Custom Battery Pack, 48V Battery manufacturer / supplier in China, offering OEM 3.7V 12V 24V 36V Lithium Battery Pack for Surgical Tool, Ventilator, Patient Monitors, Medical/Hospital Cart, Motorized Wheelchairs, Ultrasound Devices, Rechargeable 3.7V/12V/14.8V Lithium Battery Pack for Fingertip Pulse Oximeter, Heartstart Monitor/Defibrillators, OEM 24V Rechargeable Lithium Ion Batteries for Emergency & Exit Light, Trolling Motor, Marine, Solar, Mobility Scooter, Power Wheel and so on.