Are you using motorcycle batteries? I thought either that or make some kid of pack from rechargeable D-cells (looks like you would need8). You can buy a small rechargable 12 volt battery from Cabellas or Radio Shack and they work just fine.
What kind of battery can I use for a fish finder?
For most fish finders we recommend a Dakota Lithium 10 amp hour (Ah) battery or a Powerbox 10: Humminbird. Garmin.
How long will a 12V battery run a fish finder?
with most fish finders using about 2amps, you could run it for 50 hours. most trolling motors use about 1amp per pound of thrust at full power. so if you had a 50 pound thrust motor running on high for two hours, your battery would be dead.
Can I use a lawn mower battery for my fish finder?
You can use a small 12V sealed lead acid battery (“gel cell”) – an 8 amp-hour battery will run your depth finder for a good 18 to 24 hours continuously. A lawnmower-type battery is a pain, as you have to worry about spilling acid in your boat.
Will a 6 volt battery run a fish finder?
Voltage spec for mine is 10-20 Volts. That is a pretty wide range but 6 is well outside that range. If a battery is too small for the application it might still work (for a short time) if the voltage is high enough but it won’t last. Most batteries do not like to be fully discharged, it limits their life.
Can you wire a fish finder directly to battery?
As we said, there are two ways you can hook up a fishfinder battery wire. You can connect it either to the fuse box or directly to the battery. Most manufacturers actually recommend hooking up your device directly to the battery with an inline fuse.
What is the best battery to use for a trolling motor?
Most trolling motor batteries fail due to lack of proper charging. We suggest selecting a 12 volt deep cycle marine battery with at least a 110 amp hour rating, usually a group 27 size battery. The higher the amp hour rating, the more run time you will receive.
How long will a 10ah battery run a fish finder?
Fish Finder Amp Draw
In this case for a standard battery with 10ah you will get a runtime of 43.47 hours in a ideal scenario.
How many ah do I need to run a fish finder?
If you’ll be spending the whole day on the water, choose a battery with 10 to 16 ah capacity. If you are planning to spend just a few hours fishing at a time, a battery with a 5 to 10 ah capacity is fine. In general, it’s best to get more capacity than you expect to use, just to make sure you never run low on power.
How long do fish finders last?
Make sure to upgrade your fish finder on a regular basis. Once your finder is about four years old you should seriously start thinking about replacing it. If it is over six years old then it is likely overdue.
How much power does a fish finder draw?
Excluding special super compact fish finders, most fish finders use DC 12-24 volt power supply. As long as the voltage is between 12 and 24 volt, the fish finder unit will function properly.