Single battery voltage: 3.7V Nominal voltage after the battery pack is assembled: 3.7V Single battery capacity: 1400mAh Battery combination: 1 string and 1 parallel Battery voltage range after combination: 3.0V~4.2V Battery capacity after combination: 1400mAh Battery pack power: 5.18W Battery pack size:7*30.5*68mm Maximum discharge current: <1.2A Instantaneous discharge current: 2.4A~3.6A Maximum charging current: 0.2-0.5C Charge and discharge times: >500 times 3.7V polymer lithium battery: ①Comply with relevant national standards and requirements for batteries ②All finished battery products have been calibrated and tested before leaving the factory. They can be used directly1.Telecommunications: walkie-talkie, cordless phone,interphone,ect 2.Power tools: electric drills, screwdriver and electric saw and so on; 3.Power toys: electric auto, electric plans ; 4.Video cassette recorder ; 5.Emergency lightings; 6.Electronic toothbrush; 7.Light Therapy; 8.Vacuum cleaner; 9.Other equipment with high power discharge.Main advantages: 1.High energy density and high voltage of 3.7V 2.Lighter and thinner, size could be flexible according to requirement 3.Extremely safe, low self-discharge and has long cycle life 4.Pollution-free, green product 5.Wide operation temperature: -20℃~60℃   Certification: Factory ISO9001:2015 approved and most products comply with UL,CB,KC standards.   R&D strength: 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 report