Gold Member Since 2009
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OptimumNano Energy Co., Ltd.

Rechargeable Battery, LiFePO4 Battery, Life Battery manufacturer / supplier in China, offering Small Size 20ah 48V Lithium LiFePO4 Rechargeable Battery, Wo-Power Box Rechargeable 7.2kwh Powerwall Energy Storage System, Wo-Power Box 7.2kwh Scalable Core Battery Energy Storage System Ess and so on.

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Supplier Homepage Product LiFePO4 for Transportation (EV,HEV,e-bike,e-boat,etc) Small Size 20ah 48V Lithium LiFePO4 Rechargeable Battery

Small Size 20ah 48V Lithium LiFePO4 Rechargeable Battery

Purchase Qty.:
10-99 100+
FOB Unit Price: US $460 US $1
Purchase Qty. (Pieces) FOB Unit Price
10-99 US $460
100+ US $1
Get Latest Price
Production Capacity: 2000pks/Day
Transport Package: Plastic Casepvc or Cutomized Alumilium Case
Payment Terms: T/T

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Basic Info
  • Model NO.: OPT-4820Li
  • Connection Mode: Series and Parallel
  • Discharge Rate: High Discharge Rate
  • Accessories Type: Battery
  • Standard Voltage: 48V
  • Rated Voltage: 48 V
  • Max Charge Volatage: 58.4V
  • Self-Discharge Rate: Less Than 3% Monthly
  • Warranty Time: 2years
  • Specification: UL, CE
  • HS Code: 8507600090
  • Type: Lithium-Ion Battery Pack
  • Rechargeable: Chargeable
  • Size: Small
  • Rated Capacity: 500MAH~1000MAH
  • Electrolyte: LiFePO4
  • Components: LiFePO4(Lithium Iron Phosphate)
  • Cut-off Voltage: 30V
  • Certifications: CE, UL, RoHS, SGS, Ts/16949 and ISO9001-2008
  • Trademark: OPTIMUMNANO
  • Origin: China Mainland(Guangdong)
Product Description
Small Size 20AH 48V Lithium LiFePO4 Rechargeable Battery For Electric Scooter


Safe: The safest LiFePO4 battery so far, with CE, UL approved.

Environmental-friendly: All of our LiFePO4 approved RoHS.

Quality: Have obtained ISO9001-2008 and TS/16949 certification. Every

Cells in the same capacity, impedance, self-discharging, voltage, discharge

Stage, CC ratio.

Other features:

1. Safety: Safest Li-ion battery, CE UL approved, built-in BMS, none fire, none explosive

2. Clean and Green energy, no toxic material contained

3. Powerful: HP battery can discharge in 15C~20C

4. Long life cycle, > 2000 times deep cycle 80% capacity left, 8 times of lead acid battery

5. No memory effect, highly efficient charge anytime, no reduction of capacity

6. Operation temperature: -20~70° C

7. Small size and light weight: 1/2 size of lead acid battery, 70% size of Ni-MH/Ni-CD battery, 1/2 weight of lead acid battery

8. Good performance at high temperature and high temperature resistance

9. Low self-discharge rate: < 3% monthly

Good performance

Test Report For Single Cell 3.2V 5AH LiFePO4 Battery

Condition: Low Temperature -20° C± 5° C

Charging Capacity: 5181(mAh)

Discharging Capacity: 4673(mAh)

Discharging time: 187minutes
Casing material for single cellNickel plated steel
Standard capacity(0.2C5A)20Ah
Mininum Capacity(1C5A)19Ah
Rated voltage48V
Max.Charge voltage58.4V
Cut-off voltage40.0V
Standard charge current5A
charging Time5.0h
Max Continuous discharge current40A
Max discharge curren50A
Battery dimension180   ±1*150±1*350±1mm
Total weight(Approx.)About 12Kg
Impedance(Max, at 1000Hz.)≤   15mΩ
Charge method (CC/CV)Standard0°C~45°C
Discharge-20°C~4 5°C

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