BISTOOK BATTERY SYSTEM PLATFORM

Build Better Battery Systems

High-current copper battery holders, PCB downloads, testing data and modular power station kits for DIY battery system projects.

Explore Power Kits Battery Holders Free PCB Files
480W Platform 21700 / 18650 PCB Mount Battery Not Included
480W Modular
Power Platform
6S2P21700 Kit
480WDC Output
100WUSB-C PD
0.90mΩMeasured added resistance on copper 21700 holder
480WModular portable power station kit platform
PCBDownloads and custom design service
LabReal engineering test reports
Product Ecosystem

From Battery Holders to Complete Power Platforms

Bistook combines physical battery holders, PCB resources, test data and engineering support.

01

Battery Holders

Low-resistance holders for PCB projects.

02

Power Kits

240W, 300W and 480W modular kits.

03

PCB Library

Reference files for battery projects.

04

Testing Lab

Measured data, not marketing claims.

Featured Products

High Current Hardware

Products for battery developers, makers and engineering projects.

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480W Modular Power Station Kit
Power Station Kits

480W Modular Power Station Kit

6S2P modular portable power station kit. Batteries not included.

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Bistook Copper 21700 Battery Holder - Single Cell
High Current Copper Series

Bistook Copper 21700 Battery Holder - Single Cell

High-current copper contact 21700 holder for PCB projects. Batteries not included.

$12.99Details
Testing Lab

Real Engineering Data

No marketing claims. Only measured resistance, current, voltage drop and temperature data from real battery system tests.

Open Testing Lab

Copper vs Steel Battery Holder Contact Resistance Comparison

Cell Only: 3.23mΩ Copper Holder: 4.13mΩ Steel Holder: 13.98mΩ Copper contacts reduced additional resistance dramatically compared with traditional steel contacts.

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Measured Internal Resistance of a Copper 21700 Battery Holder

Cell only: 3.23 mΩ. Installed in holder: 4.13 mΩ. Added resistance: 0.90 mΩ.

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PCB Resources

Free PCB Downloads

Reference PCB files for 18650, 21700 and battery system projects.

All Downloads
21700

21700 1S2P PCB Reference Design

Free reference PCB layout for 21700 1S2P battery holder projects.

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Need Custom Battery PCB Design?

Submit your battery type, series/parallel structure, current requirement and project file. We help turn your battery project into manufacturable PCB files.

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Knowledge Center

Battery Engineering Blog

Technical articles for battery-powered projects and engineering development.

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Bistook
Knowledge Base
Article

Copper vs Steel Battery Contacts: Which Is Better for High Current Applications?

Battery contact material directly affects resistance, heat and current performance.

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