Best battery for your MD?

[Chug And Red]

I use the rechargeable battery for my detector but my camera uses 2AA also, I recently tried Interstate battery's and they last five times longer!!! HH chug!!!

 

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[calbear]

Kirkland (COSTCO brand ) They work great for me ! Buy them in bulk.

 

[sniffer]

I've got an Etrac and I tried the lithiums in the spare pak, and it won't accept them, they hold too much of a charge