The Best Lithium Golf Cart Battery

InSight Series 48V Bundles Now Available

Learn More

The Best Lithium Golf Cart Battery: InSight


Our InSight 48V lithium battery was designed specifically to meet the power and energy needs in all types of golf cars, utility vehicles, AGVs and LSVs. Not only does it fit like a glove, but the one-of-a-kind battery management system hosts an intuitive software, providing Bullseye Balancing™ between batteries, seamlessly manages regenerative currents and avoids unnecessary disconnects. Quality from the inside out, the InSight Series is truly a lithium battery in a class of its own.

Get Product Details

Save When You Purchase an InSight 48V Bundle Package!

InSight bundles make it easy to determine what you need to switch to lithium in your battery-powered golf cart. The Two, Three, and Four Battery Bundle includes InSight 48V batteries, spacer batteries to fill the empty battery slots, a RELiON approved charger, and the NEW InSight Series Fuel Gauge and Remote Button.

View Bundle Options

Power That's Driven to Perform

Fits Like a Glove

The InSight 48V battery is a GC2 size drop-in replacement. It's built specifically to fit your golf car. No need to modify the battery trays, and no extra components or retro-fit kits are needed. Simply remove your old batteries, drop in, connect and go.

Smart Hardware & Software Design

InSight’s Battery Management System (BMS) hardware is designed to be durable, and its solid state design prevents disruptive heat buildup. In addition to its hardware design, RELiON’s InSight battery’s software was designed to optimize itself throughout its lifespan.

High Capacity

Each 48 volt, 30 Amp-hour InSight can be connected in parallel to customize the capacity, up to 300 Amp-hours, for your specific needs.

Safest Chemistry

The 48V InSight battery is a lithium iron phosphate (or LiFePO4) battery which is the safest lithium chemistry. It's also easier on the environment as no gasses are emitted.

State-of-the-Art Construction

InSight was built to the highest standards from the inside out. Assembled in an advanced manufacturing facility, InSight Series™ batteries undergoes rigorous quality control checks and inspection at each stage of assembly to ensure a reliable, consistent, and high-quality product.

Quality Certified

The InSight battery is made with the best components, needed to pass the stringent requirements of UL certification, and manufactured to the highest standards, offering superior performance and long life.

InSight boasts several industry certifications including UN38.3, CE and UL2580.

In Sight Range Chart Md

InSight Series Fuel Gauge

RELiON’s new InSight Fuel Gauge is THE gauge you’ll want to have for InSight Series batteries. It’s a backlit battery gauge that will show the state of charge (SOC) for up to 10 InSight Batteries connected in parallel. Unlike lead-acid, RELiON lithium batteries won't slow your golf cart down. The InSight Fuel Gauge helps determine when it's time to charge the batteries.

Buy Now

Powered to go (and go) with RELiON InSight Series Batteries

36 holes? No problem! Read this thorough InSight product review from customer, Jeff Daum, on a decision many golf cart owners face when the original lead-acid batteries start failing. Learn how to upgrade to InSight Series™ lithium batteries for more power and reliability on the golf course.

Read Entire Review

Ready to Upgrade Your Golf Cart to Lithium Batteries?

Read through some items you need to consider before selecting which lithium battery is right for you.

Learn More

Make the Switch to InSight Lithium Batteries

Find out what makes our InSight 48V Series better than any other lithium golf cart battery. You'll be amazed at the advantages.

How Many InSight 48V Batteries Do You Need?

Learn exactly how many RELiON InSight 48V batteries you need for your golf cart or personal transportation vehicle (PTV) set-up.

InSight 24V Battery Powers Single Rider Golf Cart

Find out how the 24V InSight Series™ lithium battery gives the SoloCart single person golf cart better overall performance in speed, hill climbing, range, and weight.

How to Install RELiON InSight Lithium Golf Cart Batteries

In this video, we give a step-by-step demonstration showing how simple and quick you can replace your lead-acid batteries with superior, intelligent InSight lithium batteries.

Lithium vs. Lead-Acid Golf Cart Batteries

What are the main advantages of lithium over lead-acid? Check out this article to learn the reasons why lithium batteries offer the best option for powering your golf cart. Especially when it comes to weight, maintenance, and speed of charge.

Read More

Join Our Golf Cart Dealer Program!

RELiON's Partner Program offers advantages you won't find from other lithium battery companies. To start, our InSight golf cart lithium battery is one-of-a-kind. Not only is it an easy drop-in replacement, but overall a more intelligent battery providing users performance like never before. By joining our program, you'll have access to RELiON’s vast team of engineers, sales, marketing, and customer service personnel located across the USA, with unmatched expertise and over 140 years of combined experience. In addition, we're offering limited-time introductory pricing that includes flexible packages and special incentives. Golf cart dealers can take advantage of this program at an affordable cost for any business size.

Learn More