43.2V 40Ah 21700 Battery Pack for Electric Surfboard

43.2V 40Ah 21700 Electric Surfboard Battery Pack Design

Product Highlights

  • Upgraded Technology: The 43.2V 40Ah 21700 battery pack for an electric surfboard is the new upgradation of the 43.2V 35Ah 18650 battery pack for an electric surfboard, manufactured by CM Batteries and using the new smart BMS and abstract heat technology to ensure battery reliability.
  • Enhanced Capacity: The 21700 battery cells used in this pack offer a substantial increase in capacity, now providing an impressive 40Ah. This increased capacity translates to longer surf sessions, allowing enthusiasts to enjoy extended time on the water without worrying about power limitations.
  • Optimized Design: The custom design expertise of CM Batteries shines through in the 43.2V 40Ah 21700 battery pack. With a focus on waterproof solutions, our engineering team has created a battery pack tailored specifically for the demanding conditions of water sports. This ensures reliability and peace of mind even in challenging environments.

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43.2V 40Ah 21700 Lithium Ion Battery for Electric Surfboard Parameter Specifications

No. Item Parameter Remark
1 Nominal Voltage 43.2V 3.6V/Cell
2 Nominal Capacity 40Ah @0.2C
3 Minimum Capacity 39Ah /
4 Shipment Voltage / /
5 Initial Internal Impedance ≤250mΩ AC 1KHZ
6 Standard Charge Voltage 50.4V 4.2V/Cell
7 Standard Charge Current 8A @0.2C
8 Max. Charge Current 15A BMS Limit
9 Standard Discharge Current 8A @0.2C
10 Max. Discharge Current 80A /
11 Burst Discharge Current / /
12 Discharge Cut-off Voltage 32.4V 2.7V/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 12.4Kg /
18 Special Request Waterproof IP68 /

The Development Timeline Schedule of Custom Battery Pack for eFoil

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 efoil 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.

Parameter Specifications

43.2V 40Ah 21700 Lithium Ion Battery for Electric Surfboard Parameter Specifications

No. Item Parameter Remark
1 Nominal Voltage 43.2V 3.6V/Cell
2 Nominal Capacity 40Ah @0.2C
3 Minimum Capacity 39Ah /
4 Shipment Voltage / /
5 Initial Internal Impedance ≤250mΩ AC 1KHZ
6 Standard Charge Voltage 50.4V 4.2V/Cell
7 Standard Charge Current 8A @0.2C
8 Max. Charge Current 15A BMS Limit
9 Standard Discharge Current 8A @0.2C
10 Max. Discharge Current 80A /
11 Burst Discharge Current / /
12 Discharge Cut-off Voltage 32.4V 2.7V/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 12.4Kg /
18 Special Request Waterproof IP68 /
Development Timeline Schedule

The Development Timeline Schedule of Custom Battery Pack for eFoil

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 efoil 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.

timeline_pre_loader
How We’ll Work Together
Discover
We’ll ask the question about your inquiry about the 21700 battery pack for electric surfboard-specific needs.
Define
We’ll determine the primary 21700 battery pack for the electric surfboard.
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 surfboard solution.
Prototype
We’ll provide a sample prototype for your test and approval.

More Technical Articles on 21700 Battery Pack

43.2V 40Ah 21700 Battery Pack for Electric Surfboard FAQ

Can we buy 43.2V 40Ah 21700 battery pack for electric surfboard directly?

Not sure, because we do not know whether the waterproof connector is compatible with the connector of your efoil.

Does your 43.2V 40Ah 21700 battery pack for electric surfboard with smart BMS?

Our battery pack can be assembled with smart BMS or hardware BMS.

What kind of li ion charger is compatible with the 43.2V 40Ah 21700 battery pack for an electric surfboard?

You can choose the dedicated 50.4V 10A charger from the battery manufacturer.

How do I obtain the specs for my CMB custom electric surfboard battery pack?

CM Batteries has designed battery packs for the electric surfboard for an international efoil company. Once your OEM electric surfboard battery design is completed, your design consultant will release the specific eFoil battery specs to you.

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.