Huizhou Wanhong Energy Technology Co., Ltd.  

Product Name: Solar Storage System 3.2V 40ah 80ah 100ah 150ah/277ah/240ah/LiFePO4 Battery 200ah/Lithium Batteries/Lithium Ion Battery/Li Ion Battery/LiFePO4 Batteries Model NO.: 3.2V 277Ah LifePO4 Batteries Electrolyte: Li-ion Usage: E-Bike/Motor/EV/Tricycle/Storage Standard Voltage: 3.2V Rated Capacity: 277ah Accessories Type: Battery Size: Medium Discharge Rate: High Discharge Rate Rechargeable: Chargeable Connection Mode: Single Type: Lithium-Ion Battery Pack Trademark: wanhong Transport Package: Normal Specification: customizable Origin: China Product Description Quick Details ItemNormal DataRemark2.1 Normal Capacity277Ah1C Discharge current(25±2ºCCC+CV2.2 Normal Voltage3.2V2.3 Internal Impedance≤0.15mΩ2.4 Normal charge current0.5C25±2ºC2.5 charge voltage3.65V±0.03V2.6 Max current voltage3.65VMax2.7. Standard charging method0.5C constant current,3.65V constantvoltage charge to 3.65V,continuecharging till current deadline to ≤0.05C2.8 Standard discharging method0.5C constant current discharge to 2.5V,2.9 Max Discharge current(continuous)1CN.A.2.10 Max Discharge current(long pulse)2C2.11 Max Discharge current(short pulse)3C2.12 Weigh5.54±0.2Kg2.13Operation Temperature and relative humidity RangeCharge-15-55ºC Discharge-30-55ºC2.14Storage temperature< 1 month-20~+45ºCRecommended storage temperature is 20ºC when transportation≤6 months-20~+25ºCNo.Width(mm)Length(mm)Height(mm)Voltage(V)Nominal Capacity(Ah)Weight(Kg)171.8±0.5174.7±0.5207.1±0.53.20277Ah5.54±0.22721742013.20270Ah5.3253721742063.20240Ah5.100453.8±0.5174.7±0.5207.1±0.53.20200Ah4.2005541742073.20200Ah3.840639±0.5109.5±1413±13.20150Ah3.35±0.27481741723.20120Ah2.845836.11362073.20100Ah2.05±0.039342001743.20100Ah2.28510481741353.2086Ah2.1251128.513670.53.2080Ah1.64±0.021229.5149102.53.2040Ah0.84±0.0513271481533.2040Ah1.2301439±0.5149.1±0.5101.8±0.53.2050Ah1.18±0.215321741353.2050Ah1.430FAQ1. Why chooseWanhong?Wanhong is one of the best battery manufacturers in Shenzhen,China. Wanhong has developed several lines of standard battery packs and systems to fit a variety of customer requirements, from lithium batteries to grid-connected systems. If one of the standard batteries below does not satisfy your needs, Wanhongalso designs and produces custom batteries or multi-cell building block that could be the right solution.Wanhong's high quality management material is integrated into every type of battery, improving cycle life, performance, and safety.2. What is our main products?Professional Production All Battery System,3.2V ~ 330V , 5AH ~ 500AH Battery Pack,Li-polymer battery.LiFePo4, Lithium ion,Solar energybattery.Electric bicycle battery,Welcome your order to test our quality and service.3. What's the warranty of battery?1-2 year under normally use.4. What about the lead time?Sample : within 5-7working days. Bulk order: within3-4weeks.5. Do you have any MOQ limit?No have MOQ, samples are welcome for your testing, sample fees could be retunred on bulk order.6. What kind of certification could you provide?CE, RoHS, UN38.3. UL. We also could apply other certication that you need.7. Can you accept OEM& ODM?Sure, we are a manufacturer and has profressional R&D Department, welcome your OEM &ODM order.8. What is the shipping way?base on your requirement of Order Quantity, Lead Time & Freight fee, we often chose from Air, Sea & Expre