Building a battery pack from 18650 cells traditionally requires patience, a spot welder, and a supply of nickel strip. But what if there was another way? [Ben] is here with Cell-Lock, a modular ...

Consumer electronics and energy storage are experiencing rapid growth, largely due to the high efficiency of rechargeable batteries. The cylindrical lithium-ion battery—most famously the 18650 format ...

Power tools have come a long way. It used to be you needed extension cords or a generator for your tools, but now you can get just about anything with a nice rechargeable battery pack. As it turns out ...