I’ve tested and reviewed EBL AA 2800mAh & AAA 1100mAh NiMH batteries and was very impressed. I often use them in my camera flashguns, flashlights, gaming console controllers and other gadgets around ...

Media: What if you could charge double-As with the same cord as your phone? That’s a thing, and these 1.5V lithium-ion Zepath batteries are surprisingly good! Don’t throw away your Eneloops yet, as ...

ACDelco batteries cost a fraction of the cost of name brand batteries, but are they really even worth it at that price point? Here's what buyers say.

Many of the electronic devices around your home require batteries, and considering the affordability and performance of rechargeable batteries, there’s not much sense in purchasing disposable options ...

For the cell phone to charge, charger output must be above 4V and can deliver a maximum current of 500mA. This charger circuit will step up the voltage from 1.5V to 5V DC to reach the cell phone ...

Seems like alot of electronics I have complain about running NiMH batteries, because the nominal voltages are lower than alkaline. Are rechargeable lithium batteries a good option instead? What I can ...

Encasing eight, 1.5V AA batteries, the BK-6049 provides a 12V output with eight AA alkaline batteries in series or 9.6V with rechargeable batteries. A sliding switch in the case is recessed below the ...

Suppose that you need to test a 1.5V, AA-size alkaline battery. You can apply a short circuit and measure current, or you can measure open-circuit voltage, but neither method properly tests the ...