... . 3 kinds voltage variable 2. Different colors 3. Suit for eGo, eGo-T, Riva-T 4. LCD screen Riva Variable Voltage BatterySpecificationBattery ... to 4.2V- It is compatible with EGO, EGO-T and RIVA-T, CE2, CE3, F1, eGo-W, Apolo 580.Battery Capacity650mAh950mAh Battery ...