20700/21700 4P Battery PCB

20700/21700 4P Battery PCB

Regular price $2.00
Unit price  per 
Shipping calculated at checkout.

These make building your own electric-danger-machine batteries easier. Allegedly. 

Soldering, spot-welding. and li-ion battery building know-how required. You supply 4x 20700/21700 cells of your choosing. 

Specs & Dimensions:

  • 80mm L x 70mm W x 1.6mm D
  • 2oz Copper Weight
  • Single-Sided


OpenSource Files: