Synergy Digital Tablet Battery, Compatible with Dell 2H2G4 Tablet, (Li-Pol, 7.4V, 5100mAh) Ultra High Capacity, Replacement for Dell 2H2G4, 2H2G4 21CP5/63/105, HFRC3, TXJ69 Battery Specifications: Battery Chemstry: Li-Pol Voltage: 7.4V Capacity: 5100mAh Compatible with: Dell 2H2G4, 2H2G4 21CP5/63/105, HFRC3, TXJ69 Battery Works for: Dell 2H2G4 Tablet and many more