A golf cart charger must match your cart's voltage, battery chemistry and charging receptacle. Lead-acid and lithium need different charge profiles, so use a charger built or programmed for your battery. Higher output amps charge faster but cost more. Plug styles differ by make and year, so check your receptacle or buy a charger with the right plug or an adapter.
A good charger extends battery life. The wrong one shortens it or will not connect.
Match three things
| Match | How |
|---|---|
| Voltage | 36, 48 or 72 V to your pack |
| Chemistry | Flooded, AGM or lithium profile |
| Plug | Your cart’s receptacle style |
Output and charge time
Charge time ≈ amp-hours to replace ÷ charger amps, plus time to finish. A 100 Ah lithium pack at 50 percent with a 20 A charger needs roughly 2.5 hours plus the final stage.
Onboard vs offboard
Onboard chargers are built into the cart; you plug in an extension cord. Offboard chargers sit on the garage wall and plug into the cart.
Charging habits
- Lead-acid: charge after each use, keep water topped up and avoid deep discharge.
- Lithium: follow the maker’s guidance; most are happy partially charged.
- Store according to the battery maker’s instructions.
Converting? See our lithium conversion guide. Browse batteries and charging.
Common questions
Can I use a lead-acid charger on lithium batteries?
No, unless the charger has a lithium profile that matches your battery maker's specifications.
How long does a golf cart take to charge?
Often several hours. It depends on battery size, depth of discharge and charger amps.
Should I leave my golf cart plugged in?
With a smart charger, follow the maker's guidance. Many recommend charging after each use and for storage.
Why are golf cart charger plugs different?
Each maker, and sometimes each model year, uses its own receptacle. Match yours.