A superior battery can inject new vitality to your cellphone. Thus， here we’d like to recommend our 2pcs 3300mAh 3.7V Rechargeable Li-ion Batteries + Cradle Charger Set for Samsung Galaxy S4/i9500 to replace your old and aged batteries. This li-ion batteries + cradle charger set 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， 2pcs batteries are great for regular replacement and a cradle charger included makes efficient charging a breeze. Have a try!                                    Features             All batteries have been tested before shipment<br> Stay connected with your family and friends by getting this battery set<br> Prevent overcharging and extend battery life<br> 3.7V 3300mAh high capacity， long stand-by time<br> Light weight， high capacity and low impedance<br> Our battery set is sent out with little or no power， so please charge it for about 7 hours before using<br> 2pcs batteries are great for regular replacement and a cradle charger included makes efficient charging a breeze <br>                                                            Specifications               Battery        <br> Battery Type     Li-ion Battery    <br> Voltage     3.7V    <br> Capacity     3300mAh    <br> Compatible with     Samsung Galaxy S4 I9500    <br> Dimensions     (2.48 x 2.20 x 0.20)" / (6.3 x 5.6 x 0.5)cm (L x W x T)    <br> Weight     1.31oz / 37g  Charger Adapter:    <br> Color     Black    <br> Material     Plastic & Metal    <br> Input Voltage     AC 100V-240V    <br> Frequency     50-60Hz    <br> Input Current     150mA    <br> Output Voltage     DC 4.35V; DC 5.2V    <br> Compatible with     Samsung Galaxy S4 I9500    <br> Dimensions     (3.82 x 2.13 x 0.94)" / (9.7 x 5.4 x 2.4)cm (L x W x H)    <br> Weight     1.83oz / 52g     <br>                                                             Package Includes            2 x Batteries<br>1 x Charger Adapter<br>