Goodnews:FreeshippingandFreecustomestaxes Youdontpayanything,savemoremoney,justdoit Features: • High lifespan:twothousand cyclesand more (see chart) • Deep dischargeallowed up to 100 % •Ultra safeLithium Iron Phosphatechemistry (no thermal run-away, no fire or explosion risks) • Embedded BMS(Battery Management System): improve lifespan AND secure the battery •NoLead, noheavy metal, notoxic element •Calendar life> 10 years •Excellenttemperaturerobustness (-20 °C up to +60 °C) • Flexibledeployment : up to 10 packs in parallel and 4 in serial • Constant powerduring discharge (very low internal resistance) • Very low Peukert’s losses(energy efficiency >96 %) • Very low self discharge(<3 % per month)> • No memory effect •About50 % lighterand40% smallerthan equivalent Lead-AGM battery with same usable energy • Certification : CE, RoHS, UN 38.3, UL and CB Electric Nominal voltage 3.2V Nominal capacity 400AH Stored energy 1280Wh Internal resistance ≤ 1mΩ Cycles >2000 cycles (see chart) Self discharge < 3% per month Energy efficiency > 96% Standard Charge Charge voltage 3.65V ± 0.1V Charge mode CC/CV : Constant Current / Constant Voltage Continuous charge current / Maximum charge current 1C ( 400A) BMS charge cut-off voltage 3.65V ± 0.1V Standard Discharge Continuous discharge current 400A( 1c) Maximum discharge current 800A （<5S）(can be customized) BMS discharge cut-off voltage 2.5V Environment Charge temperature range 0°C à 45°C @60±25% relative humidity Discharge temperature range -20°C à 60°C @60±25% relative humidity Storage temperature 0°C à 40°C @60±25% relative humidity IP protection level IP 56 Mecanical Cell assembly 3.2V 400AH CELL Casing material ABS Dimensions 71(T)*450W)*285(H)mm Weight 14.5KG Terminal M8 1. We ship to Worldwide,except China,Hong Kong,and we do not ship to APO/FPO.etc 2. Items will shipped to 1-3 bussiness Days after payment received. 3. Items are shipped from China using DHL,UPS,FEDEX,TNT,EMS,reach most of the countries within 3 to 10 bussiness Days.Delivery time depends on destination and other factors, it may takes up to 10 bussiness days. 4. We ship to the buyer's Aliexpressaddress,your Aliexpress address must match your Shipping address. 5. Any custom duty or import tax are responsible for the Buyer. 1. 30 Days Refund , In order to return an item you must contact us to request a Return Merchandise Authorization Number (RMA). 2. We are not responsible for any kind of compatible issues, or problems related to any specific software or games. Please check our description carefully before purshing. If there is not anything wrong with our product or description, we wont bear the return shipping. 3.We checking all items before sending out, if you received an broken / defective item, please take photos and send to us immediately. We only accept those cases reported within 7 days. 4. Please keep all the package material , return items must be in good condition. 5. Buyer is responsible for all return shipping charges. We will responsible to pay the resend package. 1. We try to make sure you have a pleasant shopping experience with us, so that we could do more business with you. If there is any dissatisfaction, please email us before leaving any 1 or 2 ratings, negative feedback or open any ebay or paypal dispute. We will try our best to resolve the issues. Please give us the opportunity to resolve any problem. PS. you may contact us by 'Ask a question'. 2. If you are satisfied with our service, please leave us a 5 star positive feedback. Your recognition will make us more confident to develop business and serve you better. 3. If you have any problem,please contact us ,we will reply you in 24 hours. 
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