630 Universal Battery is compatible with 630, 430, 435, 635, 631 Colour: black Capacity : 4400mAh Voltage: 10.8V Chemistry:Li-ion Cell: 6 cell Condition: New replacement battery, strong, durable and everlasting Precautions Charge for 4 hours for the first time subsequently 2 or 1. 5 hours Avoid overcharging, use till 10% for the next charge to increase the lifespan of the battery Avoid hibernating as it reduces the lifespan of battery 630 Universal Battery is compatible with 630, 430, 435, 635, 631 Colour: black Capacity : 4400mAh Voltage: 10.8V Chemistry:Li-ion Cell: 6 cell Condition: New replacement battery, strong, durable and everlasting Precautions Charge for 4 hours for the first time subsequently 2 or 1. 5 hours Avoid overcharging, use till 10% for the next charge to increase the lifespan of the battery Avoid hibernating as it reduces the lifespan of battery 630 Universal Battery is compatible with 630, 430, 435, 635, 631 Colour: black Capacity : 4400mAh Voltage: 10.8V Chemistry:Li-ion Cell: 6 cell Condition: New replacement battery, strong, durable and everlasting Precautions Charge for 4 hours for the first time subsequently 2 or 1. 5 hours Avoid overcharging, use till 10% for the next charge to increase the lifespan of the battery Avoid hibernating as it reduces the lifespan of battery