I also use Millwaukee power tool batteries that are 20v. Garmin said they were fine just dont exceed 24v. Some people actually feel that the livescope pictures are better with higher voltage, not too sure about that.
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My Garmin UHD 73 will run all day, 8 hrs. My HB Helix will run about 7 hrs. I keep extra batteries on the boat. I like for less weight and space
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Thanks I think I am going to order a couple of those voltage step downs..
“If your too busy to fish, you’re too busy!” Buddy Ebsen
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Quick tip, order more than you want! You will use them again for something else!
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“If your too busy to fish, you’re too busy!” Buddy Ebsen
PROUD MEMBER OF TEAM GEEZER
(Billbob and “G” approved!)
Proud member of Tekeum’s Jigs Pro
Staff
https://heavenornot.net/
heavenornot.net
The only time to be a little careful using 20 volt drill batteries is when they first come off the charger as they can push over 24 volts. Normally after they sit for a day or two they will settle in closer to 20 volts.
I added a separate battery and charger with a cut off switch just for my livescope, works great for me.
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I ended up going with a 19ah 14volt NMC from amped outdoors. Says 12 hours easy so that suited me fine.
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