All deliveries are carbon neutral
Powered by Shopify Planet

7s 24v Battery Modules w Unused Boston Sonata 5300 Cells

  • Sale
  • Regular price $86.00
Shipping calculated at checkout.

Please read the description carefully.

Shipping to Lower 48 USA states via Fedex Ground only. No international shipping including Hawaii, Guam, Puerto Rico. Non-USA customers click here.

7s PCB boards are now available loaded up with UNUSED Boston Sonata 5300 cells, using my new "no holder" design. Each board becomes a 24v (7s) Battery module that can be used on its own or can be part of a modular multi-module battery system. Combine multiple modules to make any configuration you need. Capable of 1.5C (2C burst). To use for high performance, consider adding a BMS with temperature sensors.

Module Power Rating:  5A at 1.5C continuous (2C burst)
Module Capacity:  137Wh
Dimensions:  3.7 x 5.3 x 7 in

Capacity:  5300mAh
Current:  13A continuous
Power:  19Wh
Dimensions:  Custom 18650, 19 x 37 x 65mm


Use as an Expansion Battery:

This battery pack can serve as an expansion battery. 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:



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









    These battery packs are very modular. Here's one way to make 24v using a single or multiple modules assembled in a battery pack system using a Daly BMS module:

    Here is one way to make 48v using a 2 or multiple of 2 modules assembled in a battery pack system using Daly BMS modules:


    Here's a 48v system using an external 14s BMS (Battery Management System):


    Note that these are reclaimed packs, so the actual cell voltage you receive may be lower than the label shows. These items are sold for DIY and Second Life purposes. Listings that are “untested” as sold as-is and cannot be returned, exchanged or refunded. We make no guarantees that all cells will be usable. Even when sold as “new”, “NOS”, or “like-new”, they may be in less than perfect condition. Buyer is responsible for proper cell recycling/disposal. Sold as-is. No refunds.

    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.

    All deliveries are carbon neutral
    Powered by Shopify Planet