3.7V 3000mAh LiPo 1S Polymer Rechargeable 3 Wire Battery: MP3 GPS Speaker Tab Pad - 615065
Built-in protection circuit (PCM) prevents over charging/discharging.
Actual measured dimensions (mm): D6 x W49.3 x L65.8
Incorporated third temperature sensor wire.
Polarity: Red (+) / Black (-) / White (T)
Shipped fast and secure from the UK (global shipping available).
If you have any questions at all, or if you don't see the battery you require, please ask.