They don’t work for everything, and there’s the recharging time to take into account. But they let me cross “buy batteries” ...

Earlier, in another development, scientists in China unveiled a new electrolyte additive that could make EV lithium-metal ...

I made this amazing battery pack using 18650 cells, performing about 3X better than a LiPo battery of roughly the same weight and size. So instead of flying for 15 min, now you can fly for 45 min.

Having a gadget’s battery nestled snugly within the bowels of a device has certain advantages. It finally solves the ‘no ...