EN EL19 Micro USB Battery Charger : Only 0.71 inch thickness, Ultra Thin, Easy to Carry. Fast and Safe charging. CE FCC Certificate. Please make sure to line up the correct polarity (positive / negative) before inserting the battery onto the charger.
EN-EL19 Batteries:100% A+ Battery Cell, High Capacity Durable with CE Safety Certification.(3.7V,1000mAh), No Memory Effect, Lasting longer, Recording More Wonderful Moments.
Micro-USB input : Multiple Charging Option: the ability to charge with a USB wall charger, car charger, Portable Power Source, or external battery gives you more options than a standard battery charger.
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)
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.