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, Lithium Battery Bank Solar Storage LiFePO4 48V 200ah, 12V 50ah Lithium Battery Pack for Home Battery Storage 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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Mr. Robbin Shi
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