48V 20Ah 21700 Battery Pack for Electric Bike

Product Highlights

  • The 48V 20Ah electric bike battery with 21700 cells is more powerful than hailong 48V 17.5Ah 18650 e-bike battery.
  • CMB customizes nickel plate, battery holder, and BMS for 48V 21700 e-bike battery to offer reliable and long-lasting quality.
  • Our hailong battery can hold 52pcs 21700 li ion cells. 
  • The dimension is 90*109*362 (mm)
  • The weight: About 5KG

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48V 20Ah 21700 Lithium Ion Battery for Electric Bike Parameter Specifications

No. Item Parameter Remark
1 Nominal Voltage 46.8V 3.6V/Cell
2 Nominal Capacity 20Ah @0.2C
3 Minimum Capacity 19.6Ah /
4 Shipment Voltage / /
5 Initial Internal Impedance ≤180mΩ AC 1KHZ
6 Standard Charge Voltage 54.6V 4.2V/Cell
7 Standard Charge Current 9.8A @0.2C
8 Max. Charge Current 20A BMS Limit
9 Standard Discharge Current 3.92A @0.2C
10 Max. Discharge Current 40A /
11 Burst Discharge Current / /
12 Discharge Cut-off Voltage 32.5V 2.5V/Cell
13 Cycle Life ≥500 cycles Retention: ≥80%
14 Charge Temperature 0°C~45°C Standard Charge
15 Discharge Temperature -20°C ~70°C Standard Discharge
16 Storage Temperature -20°C~ 45°C ≤3 Months
0°C ~ 25°C ≤1 Year
17 Weight About 5Kg /
18 Special Request / /

The Development Timeline Schedule of Custom Battery Pack for Ebike

You can get in contact with our consultant to get the specific timeline for your custom battery pack solution.
  • Primary Solution

    We’ll provide you with the primary solution within 2 days once we get your questionnaire.

  • Drawing Release

    We’ll provide the first version of the CAD drawing within 2 days.

  • Specification Approval

    We’ll provide you with the specifications to get the approval within 2 days.

  • Estimation

    We’ll provide an estimation for you to approve within 1 day.

  • Tooling

    We’ll need 8-9 weeks to open the tooling for you if your custom 21700 battery pack for electric bikes needs the customized housing.

  • BMS Development

    We’ll need to make the BMS development within 7-10 days and customized smart BMS development takes 25-30 days.

  • Sample Release

    We’ll need 5 days to make the new sample production before release.

  • The Sample Shipping Time

    We’ll need 4-7 days to ship the sample by UPS.

  • Certificates

    You can get your 21700 battery packs for your electric bike with 2-3weeks expected the UL certificate.

Parameter Specifications

48V 20Ah 21700 Lithium Ion Battery for Electric Bike Parameter Specifications

No. Item Parameter Remark
1 Nominal Voltage 46.8V 3.6V/Cell
2 Nominal Capacity 20Ah @0.2C
3 Minimum Capacity 19.6Ah /
4 Shipment Voltage / /
5 Initial Internal Impedance ≤180mΩ AC 1KHZ
6 Standard Charge Voltage 54.6V 4.2V/Cell
7 Standard Charge Current 9.8A @0.2C
8 Max. Charge Current 20A BMS Limit
9 Standard Discharge Current 3.92A @0.2C
10 Max. Discharge Current 40A /
11 Burst Discharge Current / /
12 Discharge Cut-off Voltage 32.5V 2.5V/Cell
13 Cycle Life ≥500 cycles Retention: ≥80%
14 Charge Temperature 0°C~45°C Standard Charge
15 Discharge Temperature -20°C ~70°C Standard Discharge
16 Storage Temperature -20°C~ 45°C ≤3 Months
0°C ~ 25°C ≤1 Year
17 Weight About 5Kg /
18 Special Request / /
Development Timeline Schedule

The Development Timeline Schedule of Custom Battery Pack for Ebike

You can get in contact with our consultant to get the specific timeline for your custom battery pack solution.
  • Primary Solution

    We’ll provide you with the primary solution within 2 days once we get your questionnaire.

  • Drawing Release

    We’ll provide the first version of the CAD drawing within 2 days.

  • Specification Approval

    We’ll provide you with the specifications to get the approval within 2 days.

  • Estimation

    We’ll provide an estimation for you to approve within 1 day.

  • Tooling

    We’ll need 8-9 weeks to open the tooling for you if your custom 21700 battery pack for electric bikes needs the customized housing.

  • BMS Development

    We’ll need to make the BMS development within 7-10 days and customized smart BMS development takes 25-30 days.

  • Sample Release

    We’ll need 5 days to make the new sample production before release.

  • The Sample Shipping Time

    We’ll need 4-7 days to ship the sample by UPS.

  • Certificates

    You can get your 21700 battery packs for your electric bike with 2-3weeks expected the UL certificate.

timeline_pre_loader
How We’ll Work Together
Discover
We’ll ask the questionnaire about your inquiry about the 21700 battery pack for electric bikes needs.
Define
We’ll determine the standard 21700 battery pack for your electric bike.
Estimation
We’ll estimate you according to the volume of your demand.
Contract
We’ll send you the contract once you confirm the unique 21700 battery pack for the electric bike solution.
Prototype
We’ll provide a sample prototype for your test and approval.

More Technical Articles on 21700 Battery Pack

48V 20Ah 21700 Electric Bike Battery FAQ

Do you provide the extra battery models for the 48V 20Ah 21700 electric bike battery?

Of course, we can provide the standard battery case for the 48V 20Ah 21700 electric bike battery and design a unique one.

What is your MOQ for 48V 20Ah 21700 electric bike battery?

We do not have the MOQ request for the sample order and the MOQ for bulk production is 10pcs for each model.

Can provide hailong type for ebike battery with 21700 cells?

Yes, we have some hailong battery types for your options with 21700 cells.

 

Tailored Customization

Our design team can create custom battery designs for just about any device or machine.

Timely Delivery

Our efficient production and distribution process gets your product delivered in a timely manner.

Quality Guarantee

We stand by our products and guarantee you’ll be happy with your purchase.