What is the Capacity of a Dry Battery?

Q1:What is the Capacity of a Dry Battery?

A1:Unlike rechargeable batteries like eneloop, dry batteries (such as alkaline batteries) don't have a specific capacity listed. This is because the capacity of a dry battery depends on various factors, including the type of device it's used in.

Q2:Why Don't Dry Batteries Have a Set Capacity?

A2:Rechargeable batteries can discharge their capacity consistently, making it easier to specify a fixed value. However, dry batteries perform differently based on the device’s power demand, on/off usage, and current flow. As a result, the capacity of dry batteries is not directly stated on the packaging.

Instead, manufacturers typically provide an estimated battery life in the device's manual. This can give users a general idea of how long the battery will last in specific devices.

Q3:How to Estimate the Capacity of a Dry Battery

A3:For corporate customers and more technical applications, battery capacity can be roughly determined by understanding the operating conditions of the device. By measuring discharge current and time, you can estimate battery performance.

Q4:Formula for Estimating Dry Battery Capacity:

A4:Discharge Current × Continuous Discharge Time = Battery Capacity (mAh)

This calculation can give a rough estimate of a dry battery’s capacity based on its usage conditions, though actual results may vary depending on the device.

Alkaline Batteries

Carbon Batteries

Button Cell Batteries

Rechargeable Batteries

Specialty Batteries