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Cart Gear Co.Golf cart and LSV parts

Lead-acid or lithium: what it really costs over ten years

A lithium pack costs more on the day you buy it and less by the time the second lead-acid set would have gone in. This calculator does the arithmetic with your numbers, not ours.

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Lead-acid set
Lithium pack

Defaults are typical 2026 retail for a 48V cart: six 8V flooded batteries versus a 48V 105Ah LiFePO4 pack with its charger. Lead-acid usable depth of discharge is set at 50%, lithium at 90%.

The answer with your numbers

The line-by-line

Over ten yearsLead-acidLithium
Sets or packs bought
Battery spend
Charger and electricity
Ten-year total
Cost per mile
Usable energy per charge
Range per charge, about
Weight in the cart

What this does not count

Watering, terminal cleaning and the Saturday you spend doing it. A lead-acid set that dies early because it sat flat over winter. The resale bump a lithium cart gets. The cable and tray work a conversion sometimes needs on older carts. All of those lean the same way, so treat the table as the conservative case for lithium rather than the generous one.

Where the defaults come from

A 48V flooded set is usually six 8V batteries at around 170Ah on the 20-hour rate, about 63 lb each. A 48V 105Ah LiFePO4 pack is the common replacement size and weighs roughly a quarter of that. Lives are what owners report when the set is charged after every use and watered; abuse shortens lead-acid far faster than lithium. Prices are our estimates as of the date in the footer; put yours in.

Ready to pick a pack? Start with the lithium guide or, if you are staying with flooded, the 8-volt sets.

A golf cart parked in an open garage doorway
A cart that lives on a charger in the garage and goes out a few times a month is where lead-acid still holds its own.Photo: Unsplash

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