![AA/AAA/C/D/9V/1.5V Digital Battery Meter Universal Button Cell Battery Volt Tester Checker BT-168 - Walmart.com AA/AAA/C/D/9V/1.5V Digital Battery Meter Universal Button Cell Battery Volt Tester Checker BT-168 - Walmart.com](https://i5.walmartimages.com/asr/13def28c-a113-4c38-a84f-7946ebafc14f.ce8bafb7b11804caa626187d496b316a.jpeg)
AA/AAA/C/D/9V/1.5V Digital Battery Meter Universal Button Cell Battery Volt Tester Checker BT-168 - Walmart.com
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? -
![power supply - How much current can you pull safely off a standard AAA battery? - Electrical Engineering Stack Exchange power supply - How much current can you pull safely off a standard AAA battery? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/7h1BT.png)
power supply - How much current can you pull safely off a standard AAA battery? - Electrical Engineering Stack Exchange
![batteries - How much energy is stored in a AA battery when its voltage has dropped to 1.2V? - Electrical Engineering Stack Exchange batteries - How much energy is stored in a AA battery when its voltage has dropped to 1.2V? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/0cr7H.png)