There is no short explanation to cover all that needs to be considered when dealing with Lithium Batteries, but the following may help. For those not familiar with the terms used -- A “battery” is the item that is fitted to the car. Each Lithium battery has a number of foil covered “cells”, that are connected together to give the voltage required. Hard-case batteries have the foil cells inside a hard plastic ‘box’, soft-case batteries have no plastic case to protect the foil cells.
