... used on the technology PCB6. Environmentak friendly chemical power source7. Double the energy density of conventional batteries8. ... Union, L/C Application: wireless microphone, MP3,Walk man, Cordless Phone, Notebook, Video Camera, Digital Camera, Digital Products, ... Electronic Toys,Game Player, Solar LED light, Emergency lighting , Power tools, E-bike, Medical Equipment etc. Certification: UL , RoHS, ...