In this video I’m showing how I’ve built a very simple battery backup circuit for my home alarm system. The circuit charges a ...

It depends whether you’re using AC power, DC power, or eco-friendly solar energy—and can be a matter of hours or take all day ...

The idea of a “12V battery reset” button strikes me as odd. Hell, even the idea of a battery reset feels strange, because I’m ...

Laptop battery dying too soon? Learn the habits that protect battery health and add years to your laptop's life.

For example, I can park in the shade and place the Mini far away to avoid trees and other obstructions, just so long as I’m ...

Vermont utility Green Mountain Power is helping homeowners add home battery power at little to no upfront cost.

An MIT spinout has been developing thermal batteries to efficiently store excess electricity from ...

A 27-year-old engineer has powered an electric car using a homemade battery pack built out of discarded vapes.

A YouTuber has transplanted silicon-carbon batteries into the Galaxy Z TriFold, pushing its battery capacity to just short of 10,000mAh.

Apart from compromised performance and life, swappable batteries need 2x the packaging for the same capacity Charging anxiety, not range anxiety, is the biggest hurdle to EV adoption. A 15-minute ...

Let’s talk about Donut Lab’s solid-state batteries. When a company claims to have created what’s essentially the holy grail of batteries, there are bound to be some questions. Interest has been ...

Ford is pivoting into the battery energy storage system business, a move prompted by slower-than-expected electric vehicle sales. The company will repurpose a Kentucky factory, originally for EV ...