Industrial Rechargeable Li-On

Li-Ion (Lithium-Ion) batteries are one of the most common rechargeable batteries in portable electronics. They have one of the best energy densities, no memory effect, and a very low self-discharge rate when not in use, in comparison with other chemistries of rechargeable batteries.
They come in a their own variety of sizes, such as 18650, 1750, 14500 and some others.