Provide custom processing: Yes Brand: Chang Fei Source Model: two and three strings Rated Capacity: 4000-10000mah standard voltage: 11.1V Charging current: 1A Dimensions: customized mm Applicable Type: Medical Equipment Certification: CE Applied models: Medical equipment, automobiles, electronic products main features: 1) long cycle life, high energy density, no memory effect, high voltage platform, green. 2) Built-in industrial battery control module, the battery pack in the charging, discharging all aspects of performance and more reliable. 3) Excellent craftsmanship concept, the battery pack easy to use, reliable, safe and meet industrial requirements. 4) in line with national standards and requirements related to lithium batteries. The main function of parameters: 1) over-charge protection: the battery pack connected to the charger, the battery pack is charged when the battery pack in any of a battery charging voltage reaches the overcharge detection voltage (4.30 ± 0.02V), the protection circuit action cut off the charging path, to achieve overcharge protection. 2) have over-discharge protection: When the battery pack hanging load, discharge the battery pack to work when the battery pack in any of a battery voltage drop reaches the discharge detection voltage (2.50 ± 0.10V), the protection circuit, shut off the discharge path to achieve the over-discharge protection. 3) have overcurrent protection: When the battery pack hanging load, discharge the battery pack to work, when the maximum discharge current to the load exceeds the current maximum discharge current of the battery pack (battery inside the security module circuit group decision), the protection circuit action, shut off the discharge path to achieve the over-current protection 4) Short circuit protection: When the battery positive and negative short-circuit between being sun protection circuit will act quickly to cut off access, short-circuit protection. Application: mainly used in various industrial portable instrumentation, communications test equipment, field test equipment, power tools, small medical equipment, handheld reader, security products and other fields