Take a look at the Werker dry cell batteries at your local battery shop. They work great for this application.
For your unit's current load of 200 mA if you have a 1600 mAh battery you theoretically can get 8 hours of use out of a full charge (1600/200).
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Jimmy
I feel bad for people who don't hunt and fish. They never get to experience God's creation the way we do.
SUMKINA Bait Company Prostaff
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