Rayovac Heavy Duty 9V Batteries, D1604-4TD, 4-Pack
4 9V Batteries, Zinc Chloride Battery Formula, Economical Power, Heavy Duty Batteries
Results of our analysis:
We analyzed 55,953 reviews for 88 products in the 9V Batteries category.
We then analyzed 10 reviews for this product. Of these, 3 reviews were recent.
100% of reviews were positive.
6.91 out of 10, based on these factors:
Why is it heavy duty?
Before Heavy duty batteries there were three types of zinc carbon batteries. General purpose batteries were designed to perform better with intermittent magnetic fields.
Would they work in battery operated smoke detectors?
Low drain devices like smoke detectors do not require high drain alkaline batteries.
Everyone in the review section that rated the batteries low used them for the wrong thing.
Zinc-chloride provided better voltage and longer life than zinc-carbon, thus were named "Heavy Duty." Since then, Alkaline batteries were invented which lasted much longer and could.
I ordered 9v and it was sent c cell, can I get the correct ones?
You will need to find item in your orders and click return this item button if you want to return this item, but those raoyovac 9 volts are not good.
What materials and chemicals are used in these batteries?
Most alkaline batteries have a zinc/manganese dioxide electrode combination and a potassium hydroxide electrolyte.