Single battery voltage: 3.7V Nominal voltage after the battery pack is assembled: 7.4V Single battery capacity: 1850mAh Battery combination: 2 strings and 1 parallel Battery voltage range after combination: 3.0V~4.2V Battery capacity after combination: 1850mAh Battery pack power: 13.69W Battery pack size: 5.5*51*60mm Maximum discharge current: <1.85A Instantaneous discharge current: 3.7A~5.55A Maximum charging current: 0.2-0.5C Charge and discharge times: >500 times1.Communications equipment: mobile phones, PHS phones, Bluetooth cellphones, walkie-talkie; 2.Information equipment: laptop computers, PDA, portable fax machines, printers 3.Audio-visual equipment: digital cameras, camcorders, portable DVD, VCD; Others: electric bicycles, miner's lamps.Advantages: 1. Long cycle life: more than 500 cycles 2. Quality assurance and price concessions 3. High voltage and energy density 4. Low self-discharge 5. Environment-friendly 6. No memory effect 7. High safety 8. Can use any object shape   Product details: 1. Sufficient capacity: using domestic and foreign brand raw materials, sufficient capacity, low internal resistance, and stable voltage. 2. Stable performance: long cycle life, high energy density, wide operating temperature range, stable discharge voltage.   Product Features: 1.Long cycle life-capacity recovery can be above 80% after 500cycles. 2.Safety-No fire, no explore of short-circuit, over-charge, over-discharge, over-current, Shock, vibration, crush, acupuncture. 3.Superior storage characteristics-The self-discharge rate of xuanli Lithium-ion polymer battery is about 3% per month when stored at room temperature. 4.Various Products-Hundreds of moulds from micro size10mAh to large capacity 10000mAh .   Combination Types: 1. Battery Cell; 2. Battery cell with protection circuit board,lead wires; 3. Battery cell with protection circuit board,lead wires,connector; 4. Battery cell with protection circuit board,lead wires,connector and PVC cover.