Powerful, lightweight, lithium-ion battery for any make and model of electric golf caddy. The special designed Lithium battery is advanced and lightweight. It is a complete revolution for the electric golf caddy market. No more lifting and maneuvering an 11 kg weight into your trolley, and in and out of your vehicle. They are less than 1/3 the weight of a lead acid battery and less than 1/3 the size!