In order to determine the most effective industrial forklift battery manufacturers, you first must understand the different kinds of batteries for forklifts. There are lead acid, nickel-cadmium, nickel-metal-hydride, nickel-metal-hydride- nickel-cadmium, nickel-metal-hydride- nickel-cadmium- nickel-cadmium- lead acid, and lithium ion. Each type of battery comes with each its own pros and cons.