2x 6220mAh Battery+AC/USB Charger for Samsung Galaxy S III * Package Content:   6220mAh Battery x2 USB Port Wall Charger x1 * Compatible with:   Samsung Galaxy S III SGH-I747 ( AT&T )   This battery has the same dimension as your stock   battery. It will fit in your original back cover.   Battery   Quantity: 2 * Brand: Sporting Persistence * Excellent quality battery for Samsung Galaxy S III * This battery has an integrated microchip that   prevents overcharging and lengthens battery life. * Cell type: Lithium Ion. * Voltage: 3.8V. * Capacity : 6220mAh * The battery operation time depends on conditions   such as:Transmitting power level, Signal (distance   between the phone and the base station),Network   parameters defined by the operator.   Desktop Charger   Quantity: 1 * Charge your cell phone battery without the phone. * It Also work with OEM (original) battery. * Quick charge with automatic constant current   control prevents battery from over charging, short circuit, and electronic shock. * Small and compact, perfect accessory for travelingDesigned to charge battery quickly and   safely. * LED charging light indicator. Turn red in charging,   turn blue when done * Input: AC 100-240V 50/60Hz 150mAh. * Output: DC 4.2V 350mAh 50mA   * USB Port Output: 5.2V 800mAh