Our rigorous testing gives a fuller, all-round picture of every battery's performance. We measure their longevity when they're powering high-drain devices, test their capacity and how it changes after ...

The battery can be used for up to 85 hours in a wireless mouse.The Duracell Rechargeable AA 2500mAh Batteries have a long shelf life and can be stored for up to 5 years. The Panasonic eneloop BK ...