The service life of a tricycle battery is influenced by a combination of internal and external factors, and understanding these factors is crucial for maximizing the battery's lifespan. One of the primary internal factors is the battery's chemistry. Different battery chemistries, such as lead-acid, lithium-ion, and nickel-cadmium, have inherent differences in durability. Lithium-ion batteries, for example, generally have a longer cycle life and higher energy density compared to lead-acid batteries, making them a popular choice for tricycles despite their higher initial cost.

External factors also play a significant role in determining the battery's service life. Depth of discharge (DOD) is a key factor; repeatedly discharging the battery to a very low level before recharging can cause irreversible damage to the battery's internal components. It is recommended to recharge the battery when the state of charge (SOC) drops to around 20-30% to minimize stress on the battery. Operating temperature is another critical factor. Extremely high or low temperatures can adversely affect the battery's performance and lifespan. In hot weather, the battery may experience accelerated aging, while in cold weather, the battery's capacity may decrease, and charging efficiency may be reduced. Proper storage and operation within the recommended temperature range (usually between -10°C and 45°C) can help extend the battery's life.