I have a Yamaha Drive2 PTV golf cart with Yamaha’s AC motor, and it came new with six 8-volt lead acid batteries. The cart gets used an average of three times per week on one of our two golf courses, both of which have sizeable elevation changes throughout the courses. After three and one-half years the original Trojan T-875 batteries were failing and barely able to make it through one round. Based on my research, I decided to go with RELi3ON® InSight lithium batteries, provided at cost by RELi3ON®.
While most applications will work fine with just 2 of the InSight lithiums (each is 48 volts, 30 amp-hrs), because of the frequency we use our cart and the elevation changes, I went with 4 InSights for a total of 120 amp-hrs.
After my first couple month’s use of the RELi3ON® InSight lithium batteries, I have found that they perform perfectly. No matter how hard the cart is pushed, they never even get warm to the touch. They charge back to 100% and 120-amp hours in just a few hours. Even after driving around and playing 36 holes on my very hilly courses, the remaining charge is still in the mid 60% range.
Handling and “zippiness” are superb due to the permanent weight reduction. Another bonus is not ever having to think about checking and adding distilled water to the batteries.
The install was straight forward. I have done a write-up with pictures if you are interested. It is at https://insight.daumphotography.com/2021/04/26/36-holes-no-problem-powered-to-go-and-go-with-reli3on-insight-lithium-batteries/
Let me know if you have any questions.