3.7V 1000mAh 3.7Wh Rechargeable Li Battery Li-ion 503450 For GPS Headphone Mp4
Model code :PL 503450. Nominal Capacity :3.7v 1000mAh 3.7Wh. if your old one li battery have a PCM board on top of li battery. maybe our PCM board don't fit your device. so this battery can work well.