How long should a 5Ah battery last?
Could you elaborate on the usage context of the 5Ah battery you're referring to? Is it for a power tool, an electronic device, or some other application? Different devices consume energy at varying rates, so the longevity of the battery greatly depends on its intended purpose. Additionally, factors such as battery health, age, and the device's efficiency can also affect its lifespan. Could you provide more specific details so I can give a more accurate estimate?