Car camping gets you out in the great outdoors, but sometimes it’s nice to bring a few comforts from home. [Ed’s Garage] has taken a module from a salvaged EV and turned it into a handy portable power ...

For DIY enthusiasts in the green energy community, homemade lithium-ion battery packs have long been a holy grail. For everything from home solar energy storage to garage-built electric bicycles, ...

[GreatScott] has now joined the ranks of Electric Bike users. Or has he? We previously covered how he made his own lithium-ion battery pack to see if doing so would be cheaper than buying a ...

I have an APC Smart-UPS 3000 XL battery backup. In addition to the internal batteries, it has a connector for adding an external battery pack to it. While it's available on Newegg for WAY cheaper than ...

Posts from this topic will be added to your daily email digest and your homepage feed. The best charger when you’re trapped in a gas station during the apocalypse The best charger when you’re trapped ...