... voltage can be made from 3.7V to 400VApplications:Bluetooth Devices; Mp3, MP4; Earphone; Digital Pen; Wireless ... ; Forklifts; Golf trolleys; Power supplies for UPS; Portable Radio and Communication systems; Medical equipment; Military computer; Military searchlight; ... cellular phones, notebooks, handheld computers, bluetooth products, PDAs, MP3/MP4, portable DVD and CD players, scooters, HEVs, Smart ...