Product Description 1S 700mAh Li-ion Battery Specification Material: Li-ion Battery Voltage: 3.7V Capacity: 4700mAh Connector: SM 2P Plug Approx Weight: 19.54g Battery Dimension: 1.97 * 0.59 inch This lithium battery is guaranteed for 6 months from the date of purchase, excluding physical damage to the battery pack due to collision, hard landing, improper installation, or any deformation caused by the user. This warranty does not cover internal damage to the battery pack due to overcharging, deep discharge, or excessive discharge current.