AAA÷A (AAA to AA Adapter)
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Magnetic AAA to AA adapter
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Model information
- Source
- Printables
- Category
- Electronics
- License
- Creative Commons — Attribution — Noncommercial
Convert a AAA cell into a AA with this lightweight and convenient adapter, designed for weight-sensitive applications like mice or other electronics.
Securely attaches magnetically to the negative (recommended) terminal of the cell. Requires two 3mm thick disc magnets to complete the assembly. Available in two sizes—6mm or 8mm diameter—to accommodate commonly available disc magnets.
Remove strings after printing, if any, with a deburring tool & simply press-fit the magnets into the adapter as shown.
For optimal fit, insert the cell with the adapter’s longer leg facing into the appliance.
| AAA + Adapter | AA | Weight reduced | Adapter Assembled weight: 6mm Dia magnets: 2.6 grams 8mm Dia magnets: 3.6 grams | |
| Alkaline | 11.5+2.6 = 14.1g | 23g | 8.9g | |
| NiMH | 14+2.6 = 16.6g | 31g | 14.4g |