Ampere-hours (Ah) characterize a battery’s capability to ship a certain quantity of present over an outlined interval. A battery rated at 10 Ah, theoretically, can provide 1 amp of present for 10 hours, or 2 amps for five hours, assuming a continuing discharge charge and environmental circumstances. This metric quantifies the overall electrical cost a battery can retailer and discharge. The sensible capability might range from the said ranking on account of elements akin to temperature, discharge charge, and battery age.
Understanding battery capability is essential for varied purposes, from choosing the suitable battery for a tool to estimating runtime and planning for replacements. This data helps keep away from untimely discharge, optimize battery lifespan, and guarantee dependable energy provide. Traditionally, the measurement of capability has advanced with developments in battery expertise, from rudimentary measurements to specific digital testing.