Lithium 11.1v 1100mah battery li polymer battery rechargeable battery mid battery Suitable for mid/tablet pc/recording pen /mobile phone and mp3/mp4 player etc Voltage:11.1v Charge restrict voltage:12.6v Cut off voltage 9.0v Capacity:1100mah Dimensions:t*w*h( 3.6*30*31mm) Standard charging 0.2c Charging method cc/cv With protect circuit board(pcm) Operating temperature charging 0-45161;230; Operating temperature discharging -20-60161;230; Storage temperature -5161;230;-35161;230;, best 25161;¨¤5161;230; Storage capacity should be 40%~50% full charge capacity Recharge at every 6 months Lifespan 161;y300 cycle No memory effort Safety and environmental friendly Quality guarantee: 1 year Execute standard: gb/t10287-2000 Caution: Use a specified lithium charger Keep the battery in a cool dry surrounding if it stands by. Do not short circuit the battery terminals Do not disassemble the battery Do not throw the battery into fire or heat 10pcs/carton