.Voltage of single cell: 3.7V .Nominal voltage after battery pack combination: 12V .Capacity of single battery: 5.0ah .Battery combination mode: 3 string 9 parallel .Voltage range of battery after combination:7.5v-12.6v .Battery capacity after combination: 45ah .Battery pack power: 499.5w .Battery pack size: 78*130*132mm .Maximum discharge current: < 45A .Instantaneous discharge current: 90a-135a .Maximum charging current: 0.2-0.5c .Charging and discharging times: ＞ 500 times1. Sufficient capacity: using domestic and foreign brand raw materials, sufficient capacity, low internal resistance, and stable voltage. 2. Stable performance: long cycle life, high energy density, wide operating temperature range, stable discharge voltage.(1) Packing: industrial packing (can be as customer's requirements) (2) Delivery lead time: usually 15-35 business days after payment (3) Payment term: T/T, PayPal, L/CXUANLI 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 Experienced staff、Reasonable price、Product performance、Quality approvals、Small orders accepted1. Different cells brand,shape(cylinder,prismatic,pouch),discharge rate(1C,3C,5C,etc)，temperature tolerance to choose. 2. Assemble to be different voltage,capacity,shape and different size. 3. PCM/BMS:Customized size,charge/discharge cut off voltage,over current detect value,etc.NTC/TDS can be added. 4. Connector/Terminal:You name it,we find it. 5. Lead wire:Customized materials,gauge,length. 6. Other special request:need box,charger,special certification,etc.,Just tell us and save your searching time.