OAproda Replacement NP-BG1 Battery (2 Pack) and Ultra Slim Micro USB Battery Charger for Sony NP-FG1, CyberShot DSC-W30, W35, W50, W55, W70, W80, WX1, WX10, HX9V, H10, H20, H70, H50, H55, H90 BG1 Micro USB Battery Charger: Only 0.71 inch thickness, Ultra-Thin, Easy to Carry. Fast and Safe charging.CE FCC Certificate. NP-BG1 Batteries:100% A+ Battery Cell, High Capacity with CE Safety Certification.(3.7V,1350mAh), lasting longer, Recording more wonderful moments. The newest generation of CPU control, IC chip, double PCB panel, Built with multiple circuit protection ( over-charging,over current, over voltage, short-circuit, high-temperature ). Fast and Safe charging. Micro-USB input :Multiple Charging Option,Charge by Portable Power Source, Power Bank / Battery,USB wall charger, Car Charger. gives you more options than a standard battery charger. For Security, do NOT Charge your Battery / Charger with Computer, in order to Avoid any possible Damages of Computer from High Temperature. The computer USB port mainly supports data transmission, rather than charges other products.