Difference Between Alkaline And Heavy Duty Batteries

Alkaline and heavy-duty batteries differ in several key aspects:

Chemistry and Construction
Alkaline batteries use an alkaline electrolyte, typically potassium hydroxide, with a manganese dioxide cathode and a zinc anode.
Heavy-duty batteries, also known as zinc-carbon batteries, use an ammonium chloride electrolyte, with a zinc anode and a carbon cathode.

 

Performance
Alkaline batteries have a higher voltage output, longer lifespan, and higher energy density, making them suitable for high-drain devices.
Heavy-duty batteries have a lower voltage output and energy density, resulting in a shorter lifespan, especially in high-drain applications. They are better suited for low-drain devices.

 

Cost
Alkaline batteries are generally more expensive due to their superior performance and longer lifespan.
Heavy-duty batteries are cheaper and may provide sufficient power for devices that do not require much energy.

 

Lifespan
Alkaline batteries can last longer and have a shelf life of up to 10 years.
Heavy-duty batteries have a shorter shelf life, typically around 3 years, and perform poorly in cold temperatures.

 

Environmental Impact
Both types of batteries contain heavy metals that can be harmful if not disposed of properly.

 


In summary, alkaline batteries are better for devices that need more power and have a longer shelf life, while heavy-duty batteries are cost-effective for devices with low power requirements. It's important to choose the right type of battery based on the device's power needs and the expected usage.