If you own more than a two performance cars, then having a portable battery pack is a quick and easy resource when a battery goes flat. We looked into several portable battery packs that offer ...

Wallet. Cell phone. Car keys. That’s the mental checklist many of us go through before we leave the house. But don’t you hate it when you approach your car, click the unlock button and nothing happens ...

Learn how to make a simple electric doorbell at home in this step-by-step tutorial. Using everyday materials like cardboard, ...

[Editor’s note: The hacker requested that we remove the image for legal reasons, so it’s blurry now. We hope all’s well!] Lithium technology has ushered in a new era of batteries with exceptionally ...

When your remote control stops working or your child's favorite toy no longer functions, you might wonder if the batteries are dead or the device is broken. Fortunately, there's a simple and effective ...