Lithium golf cart batteries have gone from a pricey upgrade to the standard option on many new carts, but plenty of carts still run on traditional lead-acid packs. The right choice depends on how long you plan to keep the cart, how much you drive it and how much upkeep you want to do. Here is how the two compare on cost, lifespan and day-to-day use.
The quick comparison
| Flooded lead-acid | Lithium (LiFePO4) | |
|---|---|---|
| Typical replacement set cost | Around $1,500 for a name-brand set (varies) | Around $2,200 to $4,000+ depending on brand and capacity |
| Typical service life | Up to about 6 years with good care | Often rated around 10 years |
| Maintenance | Regular watering, terminal cleaning | No watering |
| Weight | Heavier | Lighter |
| Charge time | Often 8 to 10 hours | Often under 4 hours |
These figures come from battery makers and retailers and vary by product, cart and dealer. Get a quote for your specific cart before deciding.
Up-front cost vs. long-term cost
Lead-acid wins on sticker price. One golf cart parts retailer puts a typical set of Trojan lead-acid batteries at around $1,500 and a lithium set at around $2,200 or more. Name-brand lithium kits that include a matching charger can run higher. One listing for a Trojan 48V lithium set with a charger was priced near $2,800 for a 60Ah setup and near $4,000 for 90Ah.
The long-term math is where lithium catches up. Trojan says its lithium batteries last about 10 years, which it describes as two to three times longer than flooded lead-acid. If you keep a cart for a decade, you might buy one lithium pack instead of two or more lead-acid sets. If you plan to sell the cart in two or three years, the cheaper option may make more sense, though a newer lithium pack can help resale value.
How long lithium golf cart batteries last
Battery life is measured in charge cycles as well as years. RELiON says its lithium batteries can deliver 3,500 or more cycles, compared with roughly 300 to 500 cycles for typical lead-acid batteries. Other sellers quote different numbers, so read the specific warranty rather than the marketing headline.
Many lithium packs come with warranties in the 8 to 10 year range. Trojan advertises an 8-year warranty on its golf cart lithium line. Lead-acid batteries can still give you good service. One retailer says a properly charged and maintained set should last up to about six years, but neglect, deep discharges and low water shorten that quickly.
Maintenance and everyday use
This is the part owners notice most.
Lead-acid upkeep
- Check water levels and top up with distilled water as the maker recommends.
- Clean corrosion from terminals and keep cables tight.
- Charge after each use and avoid running the pack fully flat.
- Expect the cart to slow down a bit as the batteries run down.
Lithium upkeep
- No watering, acid spills or terminal corrosion.
- You can top off the charge whenever it is convenient without hurting the pack, according to Trojan.
- Lithium delivers more of its rated capacity, while lead-acid is usually limited to about half its rated capacity to protect its life, per RELiON.
- Use a charger with the correct lithium profile.
Weight matters too. RELiON says lithium batteries typically weigh about a third less than lead-acid, which can mean less strain on suspension and tires and quicker acceleration.
Cold weather and charging
If you live somewhere that freezes or store your cart in an unheated garage, pay attention here. RELiON advises reducing the charge current for lithium iron phosphate batteries below 32°F, and reducing it further below 14°F, warning that charging too fast in the cold can cause permanent damage. Some lithium packs have built-in low-temperature protection. Check the manual for your specific battery.
Switching from lead-acid to lithium
Most popular carts can be converted with a drop-in lithium kit. Before you buy one:
- Confirm your cart's voltage. Count the batteries and their voltage. Six 8-volt batteries make a 48-volt system, for example.
- Budget for a lithium charger if the kit does not include one.
- Ask about the battery gauge. Some older gauges will not read lithium correctly. Some kits include a new gauge, and some lithium packs offer Bluetooth status checks.
- Check the warranty terms, including who handles claims and whether professional installation is required.
- Recycle the old lead-acid batteries through the installer or a battery retailer.
Which should you buy?
Choose lithium if you plan to keep the cart for many years, drive it often, want zero watering or are buying a cart for an older parent who does not want to fuss with maintenance.
Stick with lead-acid if you are on a tight budget, use the cart lightly or plan to sell soon.
When shopping used, battery type and age can swing a cart's value by a couple thousand dollars. Our used golf cart buying checklist shows how to read battery date codes, and you can browse golf carts for sale. Comparing new carts? See new golf cart prices side by side.
Frequently asked questions
How long do lithium golf cart batteries last?
Manufacturers commonly claim around 10 years of service, and many offer warranties in the 8 to 10 year range. Real life depends on how you use, charge and store the cart.
Can I put lithium batteries in my old golf cart?
Usually yes, if you buy a kit made for your cart's voltage and model. Plan to use a charger with a lithium charge profile, because a lead-acid charger may not charge lithium correctly.
How often do I need to water lead-acid golf cart batteries?
Flooded lead-acid batteries need their water levels checked regularly and topped up with distilled water after charging. How often depends on use and climate, so follow the battery maker's instructions.
Is it safe to charge lithium golf cart batteries in the cold?
Lithium iron phosphate batteries need reduced charging current below freezing, and some are built with low-temperature protection. Check your battery's manual before charging below 32 degrees Fahrenheit.
Sources
- Trojan Battery: Why Trojan Lithium?
- RELiON: Lithium vs. Lead Acid Batteries
- RELiON: How Do LiFePO4 Batteries Perform in Cold Temperatures?
- Golf Cart Tire Supply: All About Golf Cart Batteries
- Golf Cart Tire Supply: Trojan 48V Lithium Golf Cart Battery Set
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