Larger contact patch on the negative pole, works perfectly in older flashlights.

Larger contact patch on the negative pole, works perfectly in older flashlights.  Read Less

The plastic isn’t the best but when you put the aa or aaa close the case and install the adapters it works really well.

The plastic isn’t the best but when you put the aa or aaa close the case and install the adapters it works really well.  Read Less

As long as you use high quality aa batteries you now have converted c and d batteries.

As long as you use high quality aa batteries you now have converted c and d batteries.  Read Less

I always have plenty of aa batteries around and it’s much cheaper to use those than have to go buy c or d batteries.

I always have plenty of aa batteries around and it’s much cheaper to use those than have to go buy c or d batteries.  Read Less

Saves soooo much money being able to use this instead of buying c or d batteries.

Saves soooo much money being able to use this instead of buying c or d batteries.  Read Less