Difference Between 48V and 51.2V Golf Cart Batteries? The difference between 48V and 51.2V golf cart lithium batteries lies in the number of cells: 48V batteries consist of 15 cells (15 × 3.2V = 48V). 51.2V batteries use 16 cells (16 × 3.2V = 51.2V). 51.2V batteries provide about 5% more capacity and runtime compared to 48V batteries. (Note: The 48V standard originated from trad... https://www.olelonenergy.com/48v-golf-cart-batteries/