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7s 24v 18650 PCB Tool Box Kit

7s 24v 18650 PCB Tool Box Kit

Regular price $399.00 USD
Regular price Sale price $399.00 USD
Sale Sold out
Shipping calculated at checkout.

Please read the description carefully.

Shipping to Lower 48 USA states only via Ground Shipping. No international shipping including HAWAII, GUAM, and PUERTO RICO. Non-USA customers click here.


This is a kit, x25 PCB 7s 18650 Tool Box Kit 24v, that allows you to use 175 cells 18650 that you can easily load up using a minimal amount of tools, to build a powerful and portable Tool Box 24v battery system. This 7s Tool Box Kit can be used for many applications like portable and stationary energy storage or building a large booster pack for the very popular Bluetti AC200 or EcoFlow Solar Generators.

2 versions available (choose from dropdown menu):

  • 120A
  • 50A

This kit will connect up to 25x PCB 7s 18650 Modules in 5s configuration. The PCB boards are fully populated (no soldering needed). The system is designed around Printed Circuit boards using cell holders scalable by stacking multiple boards on top of each other using brass standoffs that serve as the electrical connection between them. It has a Battery Management system that keeps the battery cells balanced and safe. Tool Box sold separately here.

Includes a "toolbox faceplate" you can install on the tool box, with a built-in battery state of charge meter, ON/OFF switch, 24v output to USB x2.

Dimensions: 21" L x 8.5" W x 6.5" H


You will need to order these additional items to finish the project:

Battery cells sold separately >
Best deal modem batteries
More cells > Find more batteries here


Watch this video for instructions:



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.

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