20700/21700 Batteries

Building on the success of the 18650 form factor, 20700 batteries were very quickly followed up by 21700 options from manufacturers looking to get more from a single cell while not compromising too much on space inside vehicle battery packs, most notably Tesla. This was quickly picked up on by other industries using the 18650 size and since 2017, we’ve seen a huge increase in devices and application coming to market built specifically with this cell at the forefront of development.