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Superpack SPF48V20Ah lithium Battery Pack for electric bicycle battery

48V20Ah lithium Battery

Superpack SPF48V20Ah lithium Battery Pack for electric bicycle battery

For Custom Battery Packs for E-bike, E-motorbike,Rickshaw, Yacht, UPS System, Energy storage system, Mobile Tower Station, etc

  • Brand:

    Superpack
  • Product Origin:

    China
  • Color:

    Black
  • Lead Time:

    25-30 Working Days
  • Product Details

Superpack Electric bicycle battery

SPF48V20Ah E-BIKE Lithium Battery Solution

Surperpack devoted to develop E-BIKE battery SPF48V20AH. The battery built in anti-vibration, flame retardant, high insulating and eco-friendly materials to ensure safety. Superpack used high quality LiFePO4 cells solution and we own its advance packing process with excellent BMS upon cells adequate storage, strict picking and matching cells’ consistency. The battery packs have to be run cycles for ageing inspection to ensure qualification.

 

1) Long cycle life: 2000 cyclles expectation

2) High safe characteristics

3) Excellent high temperature characteristics

4) To replace Lead-acid battery – High performance and low cost

5) Free Maintenance, Modularity design, compact size and lighter weight

6) 3 times expectation cycle life to Lead-acid battery

7) Self-discharge is less than 3% per month

8) Built in safe protection system

9) Assemble easily

10) Eco-friendly

11) Quality assurance

 

Specifications

Item

General Parameter

Remark
Battery  Model SPF48V20Ah  
Nominal Voltage 51.2V  
Rated Capacity 20.0Ah  
Internal  Resistance (mΩ) ≤100mΩ 1KHz,AC
Size L*W*H 275*155*115mm(10.83*6.10*4.52")

Does not include handle

Approx. Weight 8.5 Kg  
Battery gauge LCD  
Type lifepo4 battery cell  
Housing material Iron  
Discharge Cutoff Voltage 2.2V/Cell(≥35.2V)  
Charge Cutoff Voltage 3.65V/Cell(≤58.4V)  
Maximum Charge Current 9A@20℃  
Maximum Continuous Discharge Current 18A@20℃

Recommended:14A

Constant current 0.5C  
Cut-off voltage 40V  
Charge temperature 0~45℃ 60±25%R.H.
23 ± 5°C recommended
Discharge temperature -20~60℃(cell surface temperature≤80℃)
Storage Temperature Range

Less than 1 year : 0~25℃(SOC≥50%)

Less than 3 months:-5~35℃(SOC≥50%)

60±25%R.H. at the shipment state

Life Expectation Higher than 80% .of the Initial Capacity of the battery 1)Charge:CC@0.5C to 73V, then CV till current to 0.05C
2)Rest: 30min.
3)Discharge: 0.5C to 50V Temperature:20±5℃ Carry out 1200cycles  
Standard charge

0.5C constant current (CC) charge to 73Vthen constant voltage (CV) 73V charge till charge current decline to ≤0.05C

Charge time : Approx  3h

 

Specification of PCM

Item

Parameter

Voltage

Charging voltage

DC:3.65V/cell

Balancing voltage

3.5±0.05V

Current

Balancing current

25-35mA

Self-consume current

≤100μA

Max. continuous charging current

15A

Max. continuous discharging current

30A

Over-charging protection

Over-charging voltage

3.75±0.05V/cell

Over-Charge delay time

500~1500mS

Over-charging release voltage

3.55±0.05V/cell

Over-discharging protection

Over-discharging voltage

2.2±0.1V/cell

Over-discharging delay time

500~1500mS

Over-discharging release voltage

2.5±0.01V/cell

Over-current protection

Over-current(Discharge)

100±20A

Over-current delay time

500~1500ms

Release condition

Remove load

Short circuit protection

Function condition

External short circuit

Short circuit delay time

200~300us

Release condition

Remove load

Impedance

Protection circuitry (MOSFET)

≤20mΩ

 

 

 

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