But if these batteries are rechargeable, you need a charger. That’s where [Jon]’s entry for the Hackaday Prize comes in handy. It’s a small, cheap charger for LIR2032 and other rechargeable ...

We've curated picks for some of the best portable chargers around, so you can ensure you have ample juice, no matter the ...

[Eggmont] was facing this dilemma with a Makita battery from a broken angle grinder and decided to make a USB charger out of it. [Eggmont] took the simplistic approach, using an old cigarette ...

Chargers designed to juice up multiple laptops, phones, tablets and other gear all at once keep getting more powerful and smarter. It’s an evolution that makes sense: People who use mobile devices ...

Battery chargers are used to recharge batteries which, after discharge, can be restored to a fully-charged state. Rechargeable batteries or secondary cells differ in terms of design and chemistry.

With both a fold-out AC wall plug and portable charging capabilities through two USB-C ports, this charger can do it all. Equipped with an internal 5,000 mAh battery and 45W of power output ...

The chargers feature 4.28-kW sun-tracking solar arrays and a small battery energy storage system (BESS) that holds 32 kWh of juice. Independence from the grid has its benefits when it comes to ...

Can I charge my phone with a weaker charger? Yes, it will just take longer. Is fast charging bad for my phone's battery? No, but it also depends. Phones are supplied with batteries designed for ...

After a delay of several months, General Motors said owners of its battery-powered models would now be able to use Tesla ...

Jargon such as SAE J1772, DC fast-charging, or Level 1 and 2 chargers can make replenishing the charge of your electric car's battery seem far more complicated than it is. The truth is ...

Solar battery chargers address these issues by keeping your car battery topped up with a steady supply of free and environmentally friendly energy. But do they work and which solar charger is the ...