Talking about batteries for Live Scope

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10-24-2020, 08:52 AM
el Rojo

Talking about batteries for Live Scope

I've started using a Milwaukee M18 tool battery for my Live Scope. Originally I was hooked to the main engine battery on the boat and saw 10.X volts on the screen, so I started looking for a different source of power. I was also looking for a power disconnect for the black box as well.

I found an Milwaukee M18 8.0 amp hour battery after 4 hours of use only drops to the 75% level on the battery indicator and takes very little time to recharge. I hook it up with this Amazon.com.

It reads 20 volts on the screen. I'm too new to Live scope to tell you if I get a better picture or not.

Not trying to sell anybody on it just putting it out there.

Red
10-24-2020, 10:10 AM
NIMROD

I am using Amped Outdoors 32 amp hour lithium battery . Installed with quick connects (ordered off Amazon )and rigged a plastic ammo box (Harbor Freight ) to protect it . Ran mine for 9 1/2 hours and it was still showing 14.1 volts on my 1242 . Also hooked to my black box . It was only 250 with a charger shipped to my home .

Some using drill batteries for each but need a adapter . They come in different amp hour ratings and also need charger unless you already have one . Also the longer distance from battery the bigger gauge wire you need or voltage drop increases .
Are you running a 9'' screen and a black box or battery on each one ? I am running a 12'' screen and black box on one battery .
10-24-2020, 06:00 PM
el Rojo

I am running both on the one battery. I have a 9" display.
10-24-2020, 08:20 PM
mikeg

Quote:

Originally Posted by el Rojo

I am running both on the one battery. I have a 9" display.

Men can I ask y’all something, I would like to use a drill battery on mine, but I have heard people have been burning up live scopes using them. Is it anything thing to that?

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10-24-2020, 08:31 PM
el Rojo

Quote:

Originally Posted by mikeg

Men can I ask y’all something, I would like to use a drill battery on mine, but I have heard people have been burning up live scopes using them. Is it anything thing to that?

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The black box is rated for 24 volts and the display is rated for 18 volts per my instructions. I'm seeing 20 volts on the display which drops to 18 after 3 hours. So far so good with mine. Maybe I should put a regulator inline.
10-25-2020, 07:53 AM
mikeg

Quote:

Originally Posted by el Rojo

The black box is rated for 24 volts and the display is rated for 18 volts per my instructions. I'm seeing 20 volts on the display which drops to 18 after 3 hours. So far so good with mine. Maybe I should put a regulator inline.

Ok thanks for the info

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10-26-2020, 06:28 AM
NIMROD

Most Garmins will handle the 24 volts they been posting . To make sure contact Garmin , heard a few models might not . I am running the 32 amp hour hooked to both and shows over 16 volts with no trouble . Running 1242 xsv and black box
10-26-2020, 11:13 AM
lucky-sometimes

I've been running my Livescope system off of the Milwaukee 18v batteries for about a year and a half using an adjustable voltage regulator that I purchased on Amazon. I have the voltage dialed back to about 14 volts showing on my screen. Using the 18v 5.0 batteries, I get about 4-5 hours run time. I usually carry 3 or 4 batteries with me per trip, but have never use more than two on one trip.
10-26-2020, 11:25 AM
el Rojo

I just got off the phone with Garmin asking about the 20 volts I'm getting from a fully charged M18. He said it would give me a high voltage warning. I have not seen that warning.
10-26-2020, 01:59 PM
NIMROD

Quote:

Originally Posted by lucky-sometimes

I've been running my Livescope system off of the Milwaukee 18v batteries for about a year and a half using an adjustable voltage regulator that I purchased on Amazon. I have the voltage dialed back to about 14 volts showing on my screen. Using the 18v 5.0 batteries, I get about 4-5 hours run time. I usually carry 3 or 4 batteries with me per trip, but have never use more than two on one trip.

Longest I have used mine for a 12'' and black box with one Amped 32 amp hour has been 9 1/2 hours . It was still showing over 14 volts on the unit . No adapters needed with this battery .
10-30-2020, 06:23 AM
Southern Chuter

I replaced my starting battery with a dual purpose battery from Batteries Plus for a little over $200. It will run the Live Scope, Helix 12" Chirp and live well for 8 hours and still start the outboard. For many years I have ran jumpers between the starting battery and one of the trolling motor batteries with disconnects on the positive and negative. When the starting battery was to weak to start the outboard I could jump it. I've not needed it since I bought this battery.

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10-30-2020, 10:16 AM
Hammmerhead

Most people just need to replace their old wiring or upgrade to something larger.

Old boats, for the most part, were never designed to have this much DC load on the bow of a boat. I too have an old boat and I ran a 6 gauge wire when I upgraded my troller to a 24 volt setup. I then used my old 10 gauge wire for the scope. I have no issues running my live well constantly on a timer and the scope for 8 hours with an $80 group 27 and staying well above 12 volts. A lot of wiring out there just needs to be replaced. DC voltage , oxygen, water and copper dont mix well over a decade or so. Moisture will creep up the copper wiring and lose its efficiency and conductivity and thats not even considering the length run for voltage loss. I still keep a cheap jump box with me just in case, and I would recommend everyone pick one of these up, especially if you spend a lot of your time on the AR river.