Mini Vape Battery Welding Jig (11-Cell Types)

This jig is designed to hold reclaimed lithium vape batteries for safe and simplified spot welding with nickel strip — either in series or parallel. It can also serve as a compact storage tray for sorting and organizing cells.

Supported Battery Types:

22300, 21350, 20350, 18350, 17350
14300, 13300, 13350, 13400
112040, 801640

(11 of the most common vape cell types.)

Print Dimensions:
Footprint: 140mm x 140mm
Height: ~32mm

Clearance: Designed with ~1mm tolerance to accommodate wrapped and slightly varied cell dimensions.

🖨 Print Settings:
Material: PETG recommended
Nozzle: 0.6mm
Layer Height: 0.20mm
Wall Loops: 4
Infill: 5% (1% also works for lightweight versions)
Supports: Not needed
Bed Adhesion: Brim optional
Orientation: Print flat, upright

Always exercise caution when handling and reusing lithium-ion vape batteries. Ensure cells are undamaged, properly tested, and never short-circuited. This jig is a tool to assist with handling — use responsibly.