As we all know， an old and aged battery always casts a high damp over the normal performance of your cell phone. So it’s quite important to buy yourself a reliable and new battery to guarantee a smooth conversation and communication with your friends， customers and family. Here we’d like to recommend this High Capacity 3800mAh Extended Battery to all Samsung i8730 users. This high capacity 3800mAh extended battery belongs to lithium battery so that it must offer you durable and long-lasting lifespan and performance. Also， a black battery cover is included for you. Why not action now?                                    Features             Guarantee a smooth conversation and communication with your friends， customers and family<br> High capacity， 3800mAh<br> Designed for Samsung i<br> Offer you durable and long-lasting lifespan and performance<br> Ablack battery cover included<br>                                                            Specifications             Battery Cover Color     Black    <br> Material     Plastic    <br> Battery Cover Dimensions     (5.20 x 2.72 x 0.59)" / (13.2 x 6.9 x 1.5)cm (L x W x H )    <br> Battery Voltage     3.7V    <br> Battery Capacity     3800mAh    <br> Weight     2.82oz / 80g    <br> Compatible with     Samsung I8730      <br>                                                             Package Includes            1 x Battery Cover1 x Battery