VINTRONS 1000mAh Battery For TomTom Go 2435, 4EV42, 4EV52, 4CT4.001.01, 1CT4.019.03, Capacity: 1000mAh Type: Li-ion Volts: 3.7V Size : 43.30 x 35.90 x 6.50mm Certificated with ISO9001, RoHS & CE;