18650 Li-Ion Battery Adapters (26650-32650)

thingiverse

Are you running low on 18650 Li-Ion batteries? Do you find yourself seeking out devices with larger capacity Li-Ion batteries? Are you experimenting with DIY Alkaline conversions to power your high-drain gadgets? Some basic adapters are available right here. The thin adapters measure 0.9mm in thickness, while the thick ones come in at 1.8mm. Keep in mind for any DIY conversions: Alkaline batteries cannot be directly swapped with most Li-Ion batteries, due to significant voltage differences. Also note that these adapters were designed specifically for protected Li-Ion cells, providing a snug fit; however, you can scale them down to 99-98% if you need a better fit for your unprotected cells. If you're looking for shorter versions, Autodesk's MeshMixer is an excellent tool for trimming their length.