20700/21700 7P Battery PCB

20700/21700 7P Battery PCB

  • $2.50
    Unit price per 
Shipping calculated at checkout.

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

I can't believe you guys asked for these things. They're huge. What are you building even?

Soldering, spot-welding. and li-ion battery building know-how required. You supply 7x 20700/21700 cells of your choosing. 

Specs & Dimensions:

  • 140mm L x 70mm W x 1.6mm D
  • 2oz Copper Weight
  • Single-Sided

OpenSource Files: