vintrons 1000mAh Battery For TomTom G0 825, Go Live 825, 4ER51, 4EJ51, 4EJ41, 4ER41, 4ER5, Capacity: 1000mAh Type: Li-ion Volts: 3.7V Size : 43.80 x 35.80 x 6.70mm Certificated with ISO9001, RoHS & CE;