The brand new Lithium Phosphate 20Ah battery has become developed as a real 12V battery, meaning that it can be employed in almost any X Series (X3R, X5, X7, X9). There isn't any electronics improvements or adjustments needed; it is possible to just start out using the new battery like https://spencerngymx.blogitright.com/30768995/golf-carts-shop-copyright-an-overview