Step-by-step guides for converting a lead-acid golf cart to lithium, from removing the old batteries and wiring the new pack to programming the charger. Includes tool lists, cost breakdowns, and honest answers on whether the upgrade is worth it for your cart.
Golf cart battery weights from manufacturer specs: 62 to 85 lb per lead-acid battery, 340 to 378 lb per 48V pack, versus 82 to 139 lb for a 48V lithium pack. What the 240 to 300 lb saving changes, and when it causes a problem.
How to water flooded golf cart batteries correctly (after charging, 1/8 inch below the vent well, distilled water only), how to read a hydrometer, how often to check, and whether a single-point watering system like Flow-Rite Pro-Fill is worth it for your cart.
Golf cart battery cable guide: which gauge (6, 4, 2 or 1/0 AWG) your controller needs, pure copper vs CCA, lug sizes, cable lengths by cart, torque, and the cable kits worth buying for stock carts and lithium conversions.
Golf cart battery wiring diagrams for 36V and 48V carts: how six 6V, six 8V and four 12V batteries connect in series, the order to connect and disconnect cables, how to check your work with a voltmeter, and how a lithium pack replaces the whole string.
48V vs 72V golf cart compared: how much faster 72V really is, why range depends on watt-hours not volts, which parts must change to go from 48V to 72V, and which carts and owners each system suits.
Golf cart battery voltage charts for 6V, 8V and 12V batteries and 36V, 48V and 72V packs, lithium and lead-acid: what a fully charged pack reads, what 50% looks like, charging voltages, and how to measure correctly.
Does a lithium battery make a golf cart faster? Top speed is set by the controller, motor, gearing and tires, but lithium’s steady voltage and lighter weight change acceleration, hill speed and late-in-the-day speed. What to expect and what actually raises top speed.
How to read a lithium golf cart battery’s Bluetooth app: state of charge, voltage, current, cell voltages, temperature and alarms, what healthy numbers look like, how to use the app to diagnose cutouts and charging faults, and what to do when it won’t connect.
How to wire a lithium golf cart battery properly: which cable gauge for your controller, where the main fuse goes and what size, lugs and terminal torque, the charger and 12V reducer leads, why the frame is not ground, and series vs parallel explained.
CartVoltage is reader-supported. If you buy through links on this page we may earn a commission at no extra cost to you. As an Amazon Associate we earn from qualifying purchases. Details A lithium golf cart pack leaves a third of the battery tray empty, and sooner or later every owner looks at that space…