643333 Lithium polymer batteries 3.7V 560mAh 1:Model: 643333 2;Nominal capacity 560mAh 3:Nominal Voltage: 3.8V 4:Sizeï¼?6.4*33*33mm 5:Working voltage:3.7v 6:over charge:4.2v 7:Final voltage:2.4v or 2.8v and 3.0v 8. High Energy Density 9. High Output Voltage 10. Excellent Security 11. Long Cycle Life: More than 500 repeated charge/discharge cycles 12. Fast Charge Capacity: Can be fully charged in 2 to 3 hours with a rated voltage of 4.2 per cell 13. Environmental-friendly: No Pb, Cd added 14. Dual IC chips, that can anti-shortcircuit, anti-over charger, anti-overcurrent, anti-overload; 15. Injection Technology to make battery more stable 16. With short-circuit production function, safe and reliable 17. Factory mastered technology and competitive price Applications 1. Telecommunications: Cellular phone, interphone, blue tooth earphone 2. Video Devices: MP3/MP4/MP5, digital camera 3. Portable Devices: GPS, PDA, E-book, PMP, PSP, portable medical device etc. 4. Illuminate Devices: Miner lamp, search light 5. Others: Electric Toys,