Features: S3 Battery 1. Brand new and high quality Li-ion battery for Galaxy S3 III i9300 T999 L710 2. Best replacement for the original battery with comparable standby and talk time 3. 2100mAh The Li-ion battery provides excellent continuous power sources to your device 4. Use the authorized charger only 5. If you don't use the battery for a long time， please put it in a dry and cool place and make it full charged once every three months 6. Compared with Nickel-Cadmium battery， the Li-ion battery has no memory effect 7. Integrated microchip inside prevents overcharging and lengthens battery life 8 Power: 3.85V --- 7.98Whr9. Cell Type: Li-ion Polymer Battery Battery charger: Brand new High quality battery Charger，never used. A / C Power Supply Input Voltage: AC100-240V ~ 50/60Hz 0.15A Output Voltage: DC 4.2V，350mA �� 50mA USB Port: 5.2V.d.c. 800mA Smart LED Charging Light Indicator More effectively protect the safety of your battery Automatic Stop Charging Once Battery Is Full And Avoid Over Charging Charger Is Designed With a USB Port， Easy To Use Anywhere More Convenience To Interchange Your Standby Batteries Light Weight And Easy Handy For Travel Or Using At Work Package includes:2 x 2100mAh Internal Replacement 3.85V Li-ion Battery For Galaxy S3 III i9300 T999 L710 1 x Wall Charger