If you have ever wanted to build your very own lithium battery pack you may be interested into tutorials created by Adam Bender describing the process in detail enabling you to build battery packs for ...

Chicago-headquartered NanoGraf Technologies, which claims it has enabled the highest energy-density cylindrical 18650 Lithium-ion cell in the world, today announced that its battery has achieved a new ...

At Hackaday we’re all about DIY. However, projects can have many components, and so there’s sometimes a choice between making something or buying it. In this case, [GreatScott!] wondered if it would ...

If you’re out in the wilderness, having plenty of electricity on hand is a blessing. Eschewing fossil fuels, [LithiumSolar] is, as their name suggests, a fan of other technologies – undertaking the ...

The U.S. Consumer Product Safety Commission warned consumers against purchasing 18650 batteries — which are often used to power vapes and other small devices — due to the risks associated Jason Hahn ...

Lithium-ion battery pack prices have dropped eight per cent since 2024, reaching a new "record Low" of $108 (£80) per kilowatt-hour, despite an increase in raw material costs. That is the headline ...

I find myself in need of welding 40 18650 cells into a pack to rebuild a dead pack. It seems the normal method of doing this is spot welding the batteries together with thin nickel sheet. Does anyone ...

Universal Serial Bus Type-C (USB Type-C) provides high data-transfer rates and a reversible connector that the user can plug in without the need to check the orientation of a cable. Power Delivery (PD ...

I have an Ergorapido Handheld vacuum with 18V Lithium battery. Recently it seems that the batteries are dying, it gets only 15-20 seconds of runtime. It's almost 3 years old, but I'm not sure if ...