1800mAh Battery fits Sony Playstation Portable 1st Gen PSP-1000 series

High Quality high capacity light weight rechargeable DC 3.7V Li Ion 1800mAh battery. Longer battery life than the original battery that comes with the cell phone. Best replacement for the original Sony Playstation Portable 1st Gen PSP 1000 series battery pack. No memory effect. Can be charged or discharged as needed without loss of capacity. Overcharge protection with built in battery life microchip. CE Certified.