These 400mAh AAA batteries simply plug into any powered USB port to be recharged. They're a brilliant idea for battery operated PC input devices such as a mouse or keyboard. A Micro B USB cable is required for recharging.
| DC Voltage | 1.2V |
| Battery Chemical Composition | Nickel Metal Hydride (Ni-MH) |
| Battery usage | Rechargeable |
| Connection Type | Nipple |
| Type of battery | AAA |
| Amp Hour Rating | 400mAh |