AAA to AA Battery Adapter

Adapt AAA batteries to fit in AA devices. Requires 5 mm or smaller width copper adhesive tape or other similar conductive material for the positive terminal adapter.

The parts were designed with 0.35 mm extruder nozzles in mind so that only a single line will be printed per layer for weight savings. Slicing for a larger nozzle will likely fail.

I wanted to balance and lighten my Logitech G305 wireless mouse and so decided to make my own battery adapter to lighten the whole thing as much as possible. The adapter adds 1.1 gram to the AAA battery for a savings of 15 grams total over the equivalent AA Energizer NiMH battery. It might not sound like much but it balances the rear heavy G305 perfectly. Now I'm a weight weenie!

AA Energizer NiMH battery (2300 mah): 27.3 grams
AAA Energizer NiMH battery (800 mah) with adapter: 12.3 grams