Smart Power PowerSmart 10.8V 4400mAh 6 Cell Battery for HP Pavilion dm4-1000, dm4-1100, dm4-1200, dm4-1300, dm4-2000, dm4-3000, dm4t, The brand "PowerSmart" is our exclusive registered trademark, products trademarked "PowerSmart " are marketed and sold exclusively by power198 Battery Type: Lithium-ion (Li-ion) Voltage: 10.80V Capacity: 4400mAh Color: Black Dimension: 204.85 x 52.23 x 20.80 mm || Rate: 48.00 Wh Weight: 357.40 g Product Type: Replacement Battery (Brand New) Condition: New, 1 year warranty! Please ensure the product(s) that you are going to buy fits the brand, model, part number and dimension (mentioned above) of your device.