.Voltage of single cell: 3.7V .Nominal voltage after battery pack combination: 3.7V .Capacity of single battery: 1.9ah .Battery combination mode: 1 string 1 parallel .Voltage range of battery after combination:3.0V~4.2v .Battery capacity after combination: 1.9ah .Battery pack power: 7.03w .Battery pack size: 19*54mm .Maximum discharge current: < 1.9A .Instantaneous discharge current: 3.8a-5.7a .Maximum charging current: 0.2-0.5c .Charging and discharging times: ＞ 500 times● High energy density and high voltage of 3.7V ● Lighter and thinner, size could be flexible according to requirement ● Extremely safe, low self-discharge and has long cycle life ● Pollution-free, green product ● Wide operation temperature: -20oC~60oCISO、UL、CB、KC market demand——raise product design proposal——preliminary assessment——issuing the trial produce ordering——products quality tracking——pilot plant test report——pilot plant test final report——pilot plant review report——concluding report1.Technology-With more than 20 years of battery manufacturing and automatic production line, xuanli can guarantee our products better products. 2.R&D-Experienced R&D team with over 20 engineers for supporting ODM requirements. 3.Safety-Various tests are done at XUANLI to ensure the safety of our products for our customers. 4.Certificates-ISO、UL,CB,KC certificated. 5.Service-XUANLI has a professional sales team to provide professional project solutions and after-sale services.