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BPS1 eBike Battery 52v 21.2Ah 1080Wh

BPS1 eBike Battery 52v 21.2Ah 1080Wh

Regular price $249.00 USD
Regular price $0.00 USD Sale price $249.00 USD
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Shipping to Lower 48 USA states via Fedex Ground only. No international shipping including Hawaii, Guam, Puerto Rico. Non-USA customers click here.

Powerful 52v eBike battery! Compact BPS1 eBike battery pack 52v 1080Wh loaded up with unused Boston Swing 5300 power cells in 14s4p configuration. Just add your own leads for your specific application. These unused power cells have a high usable energy density combined with a long cycle life at broad operating temperatures and unmatched safety features. Ideal for a wide range of applications including Stationary Energy Storage, and even good for standard use eBikes (low vibration). Great for use as an expansion battery for compatible EcoFlow, Bluetti, or similar power stations.

Comes with a screw-in connector pre-installed so you can connect a BMS without soldering, plus has a pre-installed 30-pin IDC connector for cell diagnosis. BMS is not included. BYOB (Bring Your Own Box).


  • Voltage:  52v
  • Capacity:  21.2Ah
  • Current:  50A
  • Energy: 1080Wh
  • Power:  2600W
  • Configuration:  14s4p
  • Dimensions:  11.75" L x 3" W x 6.25" H
  • BMS: Not included


  • Condition:  Unused
  • Capacity:  5300mAh
  • Current:  13A continuous
  • Power:  19Wh
  • Dimensions:  Custom 18650, 19 x 37 x 65mm
  • Type:  Power cells
  • Additional:  Data sheet here.


Use as an Expansion Battery:

This battery pack can serve as an expansion battery for many popular power stations. Plz double-check your power station's PV/Solar input specifications to make sure this battery will be compatible. Connect multiple in series to increase the charging speed (volts), or connect multiple in parallel to increase capacity and current (amps), see your device specs for max limits. Use with:

  • EcoFlow Delta Max 2000 (Solar Charging Input 800W Max, 11-100V, 13A).
  • EcoFlow Delta Max 1600 (Solar Charging Input 800W Max, 11-100V, 13A). 
  • EcoFlow Delta Pro (Solar Charging Input 1600W Max, 11-150V, 15A Max).
  • EcoFlow Delta Mini (Solar Charge Input 300W 11–75V DC 10A max).
  • Bluetti AC300 (Solar Input 2,400W Max., VOC 12-150VDC, 12A).
  • Bluetti AC200 Max (Solar Input 900W Max., VOC 10-145VDC, 15A).
  • Bluetti EB240 (PV Max Input Power MAX 500W/10A, OCV 16V~68V /MAX10A).
  • And other compatible power stations. You are responsible for double-checking to make sure this battery is compatible with your power station. When combining batteries, you are ultimately responsible for making sure your configuration (series or parallel) is compatible.



    We recommend fully charging this pack as soon as you receive it. Charger not included.

    *** IMPORTANT SHIPPING NOTE: Our automatic shipping calculator sometimes underquotes heavy orders. If your order is underquoted for shipping costs we'll send you an edit email to collect the balance due. Only orders that are fully paid for can be shipped out. Need more than 2 sets? Email to get an accurate shipping price before purchasing.




    Even when sold as “new”, "unused", “NOS”, or “like-new”, they may be in less than perfect condition.

    If you buy a product from us and then realize you don't have, or don't want to acquire, the tool(s) or information needed to make our product(s) work for your specific build, this does not constitute valid grounds for replacements, exchanges or refunds. You are responsible for doing your due diligence before making any purchases from us.

    NEW YORK residents:
    On 3/2/2023 New York passed a law banning the sale of lithium-ion batteries for mobility devices that are not certified to UL 2271, and the assembly and reconditioning with cells removed from used batteries for commercial sale within the state of New York (more details here). New York residents, you are solely responsible for researching, understanding and complying with all pertinent regulatory rules, laws, statutes, and NY safety standards.

    Safety is important to us, we don't want people to get hurt or property to get damaged, especially when working with DIY and/or second-life lithium-ion batteries. All batteries everywhere are inherently dangerous, so we urge all who work with DIY and/or second-life lithium-ion batteries to take safety seriously so as to avoid causing any harm to self, others or property.

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