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batteries show charged. 16 amp ez go charger. Very zippy on concrete. Uphills almost stops especially when 2 people riding. Any ideas? have changed all electric connectors and cleaned and filled batteries. Bought used recently
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The issue could be related to a voltage drop due to a bad or aging batteries. When batteries age, their capacity to hold and deliver charge diminishes. This can cause significant voltage drops under load like when your cart is climbing a hill. The batteries may show as fully charged when tested without a load, but under the stress of powering the cart uphill, the voltage can drop drastically, resulting in a loss of power and speed.
To diagnose this you can use a multimeter to monitor the voltage of your batteries under load. First, set your multimeter to the DC voltage setting. Attach the multimeter leads to the main positive and negative terminals of your battery pack using alligator clips. Make sure that the connections are secure and won't come loose during the test.
With the multimeter in place, observe the voltage reading while the cart is at rest on a flat surface. It should match the expected total voltage of your battery pack. Next, monitor the voltage as you drive the cart, paying particular attention to the reading while climbing a hill or with multiple passengers. A healthy battery pack should not drop significantly below its nominal voltage under load. If you observe a substantial voltage drop, it indicates that one or more of your batteries may be weak or failing and not able to deliver the necessary power.
Besides aging batteries, other issues could contribute to your problem. Check the condition of the battery cables and connections, even though you've recently changed and cleaned them. Ensure there is no corrosion, and all connections are tight and in the correct place. Carefully feel around the motor and controller for any signs of overheating or damage, as these components can also affect performance under load. If you have any questions feel free to ask!
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