Agriculture Equipment & Supplies
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If you are checking China digital video recorder,Website:http://www.m-batterys.com, police video recorder manufacturer and supplier, or digital video recorder chinese factory, please feel free to contact M-Batt Electronics, we are always at your service.This portable video recorder are widely used in police and community policing. It provides important video records to the case investigation.So the portable video recorder battery need longer working time,and more stable than other batteries.A .Technical Requirements for Battery DesignThis?battery project applies low temperature cell(18650) with High-energy density.Battery case applies to UL-94V0 fire rating standard and IPX1waterproof level.Battery?working temperature : -40℃ to 70℃1）Model No.：18650-2S1P/2.2Ah/7.4V。2）Technical Parameters：1、Overcharge protection：4.28±0.25V2、Overcharge release：4.10±0.50V3、Over-discharge protection：2.80±0.08V4、Over-discharge release： 3.00±0.10V5、Over current protection（10ms）：4~8A6、High temperature protection（restorable）：75±5℃7. With Short-circuit and reverse charge protection?8、Battery cycle life：300~500 times (National Standard）9、Appearance & Dimensions : CustomizedB.PCB specification:1）PCM：This battery pack applied special designed protection circuit：?Over charge, Over discharge, Short circuit and over current protection.Prevent battery from fire and explosion.2）Protection IC：The?protection IC with real time detection function: over charge ,such as over discharge ,over current and short circuit protection. It ensured battery security and stability.3）Temperature detection switch ：This part was designed for high temperature protection of battery.If the battery temperature up to 75±5℃, the temperature switch will cut-off the circuit to protect the cell.4）Li-ion Cell：18650/2200mAh/ 3.7V ?5）MOSFET：MOSFET，it keeps the voltage between the positive and negative conversion ?in a stable situation.6）Battery pack will packaged in sealed plastic case
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Shenzhen M-Batt Electronics Co.,Ltd
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Address: 4th floor, No.3 building, Sanwei Industry Park, Gushu, Xixiang Town, Baoan District, Shenzhen, China,
Shenzhen, Guangdong
China, 518000
Tel: 86-0775-27852870
Fax: 86-0775-29613252
