Details of a portable solar-powered AA and AAA battery charger by Energizer were leaked last week and we’ll see the charger debut next month at CES. The device will feature a USB-out port to power ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Sarah Witman Sarah Witman is a writer focused on batteries and charging ...

Japanese scientists have analyzed storage systems that combine PV and high-energy-density metal batteries. The rechargeable batteries have advantages such as low-charge voltage and high energy density ...

Here is the simple circuit to charge 6 V, 4.5 Ah rechargeable Lead-acid battery from the solar panel. This is a simple solar battery charger circuit designed using LM317 voltage regulator and is used ...

February 26, 2009 From the files of “why don’t they make that?” comes a rechargeable battery with integrated solar cell charger. The “SunCast” prototype uses flexible solar cells from IFE and some C ...

When you have a ton of different electrical gadgets around you're likely to need plenty of batteries. As a group of people with a lot of different devices, we understand the appeal of rechargeable ...

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 ...

Most tools sport rechargeable batteries these days, but there’s no need to toss that old flashlight: just replace the cells with rechargable ones! [monjnoux] had a 3-cell D-sized MagLite lying ...

It's a given that something under your Christmas tree has a little 'batteries not included' note no-one spotted while wrapping it up. No problem if you keep alkaline batteries in the drawer, a little ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› Advice, staff picks, mythbusting, and more. Let us help you. Published June 6, ...