- Thu Jan 19, 2017 2:06 pm
A battery, even if new, can be permanently damaged if not properly charged between uses or run down too low. Running the battery until the vehicle comes to a stop is bad for battery longevity. As soon as it noticeably slows down pull the kid off or swap the battery.
What kind of charger do you have ? The stock chargers are not smart and may damage a battery if left on too long. Aftermarket smart chargers do a much better job.
How are you charging the battery ? Do you charge it after every use no matter how short ?
Do you have a volt meter to test the battery voltage ? Your 24v battery (really two 12v batteries in series) should read about 25.2v when fully charged. Maintain a battery correctly and it will last for years, don't and you will kill it very quickly.
12v SLA battery resting voltages: (just x2 for a 24v battery)
12.65 V = 100%
12.45 V = 75%
12.24 V = 50%
12.06 V = 25%
11.89 V or less = discharged
Resting voltage is taken at room temperature and a few hours after the completion of charging.