PowerSmart 3.7V 700mAh Li-ion Battery for Sanyo 02491-0053-00, 02491-0056-00, 02491-0057-00, 02491-0066-00, 02491-0081-00, DS5370, Battery Type: Lithium-ion (Li-ion) Voltage: 3.70V Capacity: 700mAh Color: Black Dimension: 39.80 x 31.30 x 6.00 mm||Weight: 17.45 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.