Wake your cellphone up and make it energetic by purchasing our 5000mAh 3.7V High Capacity Rechargeable Extended Li-ion Battery with Battery Cover/NFC for Samsung Galaxy S3 i9300! Designed to replace your old and aged battery， our li-ion battery is a useful tool to power your mobile phone as well as keep your communication smooth and uninterrupted. It is featured with high-energy density， stable discharge voltage， high-temperature resistance， long lifespan and environment protection. Besides， it is up to normal battery standard， which together makes it a dependable and safe product you should own. You will need it!                                    Features             All batteries have been tested before shipment<br> Stay connected with your family and friends by getting this battery<br> Prevent overcharging and extend battery life<br> Best replacement battery to offer long-time standby and talk time<br> 5000mAh extra high capacity， extra long stand-by time<br> With NFC and battery cover， high capacity and low impedance<br> Our battery is sent out with little or no power， so please charge it for about 7 hours before using <br>                                                            Specifications             Battery Type     Li-ion Battery    <br> Dimensions     (2.48 x 1.97 x 0.43)" / (6.3 x 5 x 1.1)cm (L x W x H)    <br> Voltage     3.7V    <br> Capacity     5000mAh    <br> Battery Cover Color     Black    <br> Weight     2.29oz / 65g    <br> Compatible with     Samsung Galaxy S3 I9300       <br>                                                             Package Includes            1 x Battery<br>1 x Battery Back Cover<br>