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Articles tagged with: battery meter

Paper-Thin Sheet Measures Battery Life

Although most smartphones and tablets have built-in rechargeable batteries, there are still many electronics that run on the tried and true AA or AAA batteries. From inexpensive cameras to other types of electronics, batteries are still necessary.

Rechargeable batteries are great because you can just plug them in a wall-charger and not have to repeatedly buy packs and packs of batteries, draining your bank account. But how do you know if your batteries need a recharging?