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Superpack SPF48V20Ah lithium Battery Pack for electric bicycle battery

For Custom Battery Packs for EV(Electric vehicle), E-bike, E-motorbike,Rickshaw, Yacht, UPS System, Energy storage system, Mobile Tower Station, etc
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Product Detail

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


General Parameter

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℃


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




Charging voltage


Balancing voltage



Balancing current


Self-consume current


Max. continuous charging current


Max. continuous discharging current


Over-charging protection

Over-charging voltage


Over-Charge delay time


Over-charging release voltage


Over-discharging protection

Over-discharging voltage


Over-discharging delay time


Over-discharging release voltage


Over-current protection



Over-current delay time


Release condition

Remove load

Short circuit protection

Function condition

External short circuit

Short circuit delay time


Release condition

Remove load


Protection circuitry (MOSFET)


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Drop us a line with questions or comments and we will respond back to you. You are always welcome to  call Shaw's phone number: +1-858205-5239 in USA                                                       Shahrooz Pourhashemi (Shaw)                               Consultant in USA call Jason's mobile number: +86-13825264839 in China Jason Liu  Marketing Kathryn Wang Sales Engineer Gerrard Hao Sales Engineer Alby Zhang Sales Engineer  Fanny Zhao Sales Engineer  Liam Liang Technical Support 
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