Maglite’s used(?) to be the king of flashlights, but replacing those pesky D-cell batteries is kind of ridiculous in this day and age. So [Travis] decided to upgrade it to make use of the ...

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 ...

With 18650 cells as cheap and plentiful as they are, you’d think building your own custom battery packs would be simple. Unfortunately, soldering the cells is tricky, and not everyone is willing to ...

The company’s latest series low-profile, SMT and THM lithium-ion holders for 18650 batteries are rugged, durable, and feature low profile, heat resistant Nylon housings with gold-plated phosphor ...