LiFePO4 Battery System 48V 20AH Battery Pack + BMS System + Charger + Express Shipping Wooden Original Free EU , US Duty !!! Battery PACK Parameters : Battery Material LiFePO4 Nominal Voltage (V) 48 V Nominal Capacity (Ah) 20 Ah Max Discharging Current 30 A ( BMS SET 1000W ) BMS Can Upgrade to 2000W or 3000W Maximum Charge Voltage ≤ 60 V Discharge cut-off voltage 35.2 V Charging Current 6 Amps Weight (NW) 9 Kg Lifecycle 1600 ~ 1800 times Dimension 260×150×150 mm Other size :400 x 80 x 75 mm BMS System Parameters : Overcharge protection (V) 3.75±0.025 Overcharge Recovery (V) 3.55±0.05 Over-discharge voltage (V) 2.8±0.05 Over-discharge recovery Disconnect the load or charge Resistance (m/ohm) < 20 Charge balanced current (mA) 60 Charger Parameters : Applying Battery Type Lithium Input Voltage (AC/V) 110V or 220V Output Current (A) 6 A Output Voltage (DC/V) ≤ 60 V Package includes: 1 × LiFePO4 Battery Pack 1 × BMS System 1 × Charger 100% NEW Lithium Cell True High-rate discharge !!! COMPARISON DATA AMONG VARIOUS LITHIUM BASE BATTERIES Cells Safety CYCLE LIFE POWER WEIGHT DENSITY LONG TERM COST Temperature Range LiFePO4 The world's most secure battery, no explosion, no pollution, long life Excellent Cycle life can be as long as over 2,000 cycle, best among all the listed groups. Acceptable Excellent Most economic Excellent (can be discharged at -45~ 70 Centigrade) LiCoO2 LiCoO2 is expensive, the actual capacity than its theoretical capacity of only (274mAh g-1) about 50%, lower utilization of cobalt; LiCoO2 cycle life has reached 500 Acceptable Cycle life only up to 300~500 cycle. Not good for high C-rate discharge. Good High Decayed beyond 55 ~ -20 Centigrade LiMn2O4 Have to handle with care, or it might explode or catch fire under collision or over-charged. Unacceptable Cycle life only up to1 500~800 cycle, depending on the discharge C-rate. Acceptable Acceptable High Li(NiCo)O2 Very unstable, must handle with extremely care, it might explode or catch fire under collision, over-charged, short circuit or when heat build-up. Acceptable Cycle life can be 300~500 cycle. Not good for high C-rate discharge. Good High Decayed extremely fast over 55~ -20 Centigrade LiFePO4 material is by far the safest, most long cycle life, no pollution to the environment of new energy materials ! A New hope,Change in the future ! As more and more pollution,Warming seriously,Earth Close to Unfit for human Living. Now, we must begin to use high-tech The energy to change the day of the disaster. LiFePO4 Battery Is a new energy,It will not cause pollution,It does not produce an explosion,Long life,Structural stability,Cheaper! LiFePO4 will become the preferred battery technology for traction purposes and other situations in which high discharge characteristics and cycle life are important. (LiFePO4) batteries are based on the original lithium-ion chemistry, but LiFePO4 is used as the cathode material instead of lithium cobalt dioxide (LiCoO2). The latter is found in the most commonly used batteries in laptops, cell phones, MP3 players, etc. LiFePO4 is an intrinsically safer cathode material than LiCoO2 since exothermic reactions cannot occur in batteries based on this material: LiFePO4 cells do not incinerate or explode under extreme conditions. In addition, LiFePO4 cells have a higher discharge current, are not toxic and have a much higher cycle life than LiCoO2 cells. SHIPPING: Air mail or Fedex 5-8 work days Transport in other countries,could be extra charges,Please contact us , Thank you ! Postage Fee Includes Shipping Fee, Warehouse, Packaging Materials, Fuel Charges, Boxes, Labels and Packaging cost. We will NOT be responsible for any delay during delivery including but not limited to customs postage checking, strike etc. It would normally take 3-10 business days to reach most of the countries. Orders Take 5- 6 business days to process. (Premise is to confirm your battery size) Note: Tariff Paid by the buyer, the seller does not pay customs duties for you! 30 days reply guarantee: you have full two weeks to try the item, if you don’t like it ,you can sent it back (less shipping) with 15% restocking fee or get the money back. But the shipping cost is the buyer’s responsible, wouldn't be refundable. Purchase must be in good condition including all accessories. Our certified technicians will test all items to guarantee the items prefect before shipping .If you received a defective item, mail us and sent it back .we will exchange the other brand new replacement to you within 14 days start from the delivery date... We will responsible for the One-way shipping cost that is from my place to yours. And the buyer should to pay the return cost. Mail us immediately if you find the goods have any problem. We will offer you a return number to send it back. Please check the item carefully before sending it back as we won't responsible for all the shipping cost. 
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