Features: This is a kind of quality lithium polymer cell, the safety is guaranteed. 3.7V, 1200mAh large capacity, non-oversized in capacity. Multiple intelligent management system, effectively guarantee the safety of recharging process. Effectively prevents the short circuit and leakage of battery, make the battery with fine durability. There are 4 types for you to choose, you can choose according to your demands. Specifications: Name: Rechargeable Battery Material: plastics Type: 4 optional Item size: 71 x 51 x 29mm or 2.80 x 2.01 x 1.14in Item weight: 100g or 3.53ounce Package size: 100 x 100 x 50mm or 3.94 x 3.94 x 1.97in Package weight: 150g or 5.29ounce Packing List: 1 x Rechargeable Battery Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.