The load capacity of an electric golf cart depends on several key factors. It is not determined by just one thing.
- Motor Power
The motor determines how much weight the cart can carry and how well it climbs hills. A stronger motor gives better starting and climbing ability. Different motor types, like brushed DC, brushless DC, or AC motors, also affect performance. - Battery Voltage and Capacity
- Voltage (V): Higher voltage can provide more torque, helping the cart carry heavier loads.
- Capacity (Ah): A higher capacity battery can supply power for longer, which is important when carrying heavy loads. Old or weak batteries can cause the cart to lose power under full load.
- Axle Gear Ratio
The axle gear ratio balances speed and load capacity:
- High ratio (e.g., 16:1): Increases pulling power and load capacity but lowers top speed.
- Low ratio (e.g., 12:1): Increases speed but reduces load capacity and hill climbing ability.
- Chassis and Suspension
- The strength of the frame material (steel, aluminum, or galvanized steel) limits the maximum safe load.
- Strong suspension systems help support heavier weight.
- Tires
Tire size and load rating affect the cart’s stability and load support. Small or low-rated tires may wear out or slip under heavy loads. - Controller Settings
The motor controller can limit the current. Even with a strong motor, a low-limit controller reduces the cart’s load capacity.