Single battery voltage: 3.7VNominal voltage after the battery pack is assembled: 11.1VSingle battery capacity: 4000mAhBattery combination: 3 string and 1 parallelBattery voltage range after combination: 7.5V~12.6VBattery capacity after combination: 4000mAhBattery pack power: 44.4WBattery pack size:18*61*95mmMaximum discharge current: <4AInstantaneous discharge current: 8A~12AMaximum charging current: 0.2-0.5CCharge and discharge times: >500 timesWidely used in consumer electronic products and gadgets such as Bluetooth,MP3/MP4 player,tablet,GPS,digital camera,Mobile,POS machine,medical facility,GPS,Power bank,solar lamp,Aeromodelling,vacuum cleaner,miner lamp,searchlight,toys,rc models,Electric toothbrush,Intelligent vacuum cleaners,Screwdriver,Hammer Saws,Grass trimmer,Army use apparatus,ctc.Company information:XUANLI electronic Co., Ltd is an experienced manufacturer of batteries specialized in smart battery packs,18650 lithium batteries,polymer lithium batteries,lithium iron phosphate batteries,power batteries,battery chargers and various special batteries.We welcome OEM and ODM orders and we sincerely hope to work with you hand in hand to create a prosperous future.About Our Quality:All our products goes through five steps full inspection from the incoming materials and finished goods.About Our Advantages:1.Over 20 years industry experience2.Excellent work team3.Good brand reputation and stable financial status4.Competitive price with approved quality5.Perfect pre-sale & after-sale service system6.Eco-friendly materials from ISO, 、UL,CB,KC approved7.Primary Competitive Advantages:8.Brand-name Parts;9.Origin;10.Experienced staff ;11.Green Product;12.Gurantee/Warranty;13.International Approvals;14.Military Specifications15.Packaging;16.Price;17.Product Features;18.Product Performance;19.Prompt Delivery;20.Quality Approvals;21.Reputation;22.Service;23.Small Orders Accepted