Golf Cart batteries and parts play a vital role in all electric model Yamaha golf carts. Batteries are expensive so you want to make sure you keep the water levels consistent throughout the life of you golf cart batteries. Its recommended that you check the water levels at least once every two weeks in the summer time and once a month during the winter months. Corrosive build up is also a common occurrence between cables ends and battery terminals. You should keep these contacts clean for the best performance out of your Yamaha electric golf cart. Battery cables are a small investment to help prolong the life of your batteries and have a great effect to the overall performance of your cart. Make sure if you have a regen model Yamaha golf cart, that you flip the tow/maintenance switch before performing any type of repairs to your cart.