E-bike batteries are, for the most part, a collection of 18650 batteries, packaged together and welded in series and parallel, attached to a battery management system (BMS). A "dead" e-bike battery ...

So, let's see. For a 36v battery to yield 360 watt the current must be 10A. For the simplest and the least configuration, 10s1p each contact has to reliably support 10A. I little bit of moisture ...

Often times, e-bikes seek to build the biggest battery with the most range. But what if you want to take a couple lunch loops on your bike and only need 20 minutes of charge? That’s [Seth] from Berm ...

A hefty portable power bank is a handy thing to DIY, but one needs to get their hands on a number of matching lithium-ion cells to make it happen. [Chris Doel] points out an easy solution: salvage ...

Learn how to make a custom RC battery pack using 18650 lithium cells in a 3S1P configuration. This step-by-step guide covers everything from spot welding, wiring, to adding a BMS for safety. Perfect ...