![What are the differences between AA and AAA batteries? Why are AAA batteries a little more expensive than AA batteries even though they give the same output voltage and current ratio? - What are the differences between AA and AAA batteries? Why are AAA batteries a little more expensive than AA batteries even though they give the same output voltage and current ratio? -](https://qph.fs.quoracdn.net/main-qimg-aa9e63c9c59d1bc6036c28f83297b13a.webp)
What are the differences between AA and AAA batteries? Why are AAA batteries a little more expensive than AA batteries even though they give the same output voltage and current ratio? -
![Amazon.com: Amazon Basics 16-Pack AA Rechargeable Batteries, Performance 2,000 mAh Battery, Pre-Charged, Recharge up to 1000x : Health & Household Amazon.com: Amazon Basics 16-Pack AA Rechargeable Batteries, Performance 2,000 mAh Battery, Pre-Charged, Recharge up to 1000x : Health & Household](https://m.media-amazon.com/images/I/71wTRUEBEBL._AC_SS450_.jpg)
Amazon.com: Amazon Basics 16-Pack AA Rechargeable Batteries, Performance 2,000 mAh Battery, Pre-Charged, Recharge up to 1000x : Health & Household
![Tenergy TN477U 8-Bay AA/AAA Ni-MH Rechargeable Battery Charger with USB Input + 8X Standard AA Batteries Tenergy TN477U 8-Bay AA/AAA Ni-MH Rechargeable Battery Charger with USB Input + 8X Standard AA Batteries](https://cdn11.bigcommerce.com/s-g2o7t0ov4m/products/1399/images/8172/001478_Amazon_01__22435.1574120099.500.750.jpg?c=2)