The service life of golf cart batteries after full charge includes two core dimensions: single-charge driving duration and overall cycle service life, both of which are affected by battery type, charging mode, and usage environment. In terms of single-charge usage duration, taking the mainstream 48V golf cart battery configuration as an example, a fully charged lead-acid battery can last 4–6 hours of continuous driving on flat courses and 2.5–4 hours on hilly courses. The upgraded 48V lithium golf cart battery has longer single-charge endurance, supporting 6–8 hours of flat-road continuous driving and 4–5.5 hours of hilly course operation. For daily intermittent use in golf courses (starting and stopping frequently), the single-charge service time can be extended by 20–30% due to reduced continuous high-load discharge.

In terms of long-term cycle service life, the difference between lead-acid and lithium golf cart batteries is more obvious. Standard flooded lead-acid golf cart batteries have a cycle life of 300–400 full charge-discharge cycles, which translates to 1.5–2 years of daily golf course use. After exceeding the cycle limit, the battery capacity decays rapidly, the single-charge range drops sharply, and the battery is prone to insufficient power and failure to start. Maintenance-free gel lead-acid batteries have a slightly longer service life, with 400–500 cycles and a usable life of 2–2.5 years. Lithium iron phosphate (LiFePO4) golf cart batteries have excellent cycle performance, supporting 1500–2000 full charge-discharge cycles, and can be used stably for 5–7 years under normal maintenance conditions, greatly reducing battery replacement frequency.

Multiple daily usage habits affect the effective service life of golf cart batteries after charging. Deep discharge (using up all battery power before charging) will seriously damage battery activity and shorten the overall service life by 40–50%. Long-term floating charge and overcharging will cause battery bulging, electrolyte loss (lead-acid batteries), and cell aging (lithium batteries). High-temperature storage and use in summer will accelerate battery self-discharge and aging, while low-temperature winter environments will reduce instantaneous capacity output. Proper maintenance can significantly extend the battery service life: timely charging after use, avoiding long-term idle power loss, regular cell balance detection, and maintaining a clean and dry battery installation environment can increase the cycle life by 15–25%. In addition, matching the official dedicated charger and avoiding fast charging for a long time is the key to stabilizing the single-charge endurance and long-term service life of golf cart batteries.