major BATTERY problems

**lil re-speck** · 07-19-2011, 07:24 AM

hi guys, i purchased a battery charger from cbelas its an xjts8 or somethin like that. i installed it very simple directions. i also purchased two new batterys. the problem i have is my deep cycle does not hold a charge at first it lasted half a day then only 2hours now as soon as i turn the trolling motor on i get low battery indication. i took those two batterys back, and got two new ones the same problem persists.i disconnected the newbattery charger put on my portable charger charged the new batterys up a little went fishing 15 minutes later i get low battery indication.now i dont know if it is the charger or the batterys is some thing grounding out my batterys? idont know what it is i need you guys expertise on this what shuld i do.?

**SLAB MASTER** · 07-19-2011, 08:06 AM

Are you using two batteries for your trolling motor?

**gabowman** · 07-19-2011, 08:08 AM

Is your tm 12 or 24 volt and how are you wiring your batteries together?

**lil re-speck** · 07-19-2011, 08:49 AM

i hav a simple set up of 12v for the trolling motorand starting battery.if i'm correct i hav starting battery connected only to the outboard. the deep cycle runs trolling motor 2 fish finders and other acessories the only acessories that are on at any given time are the fishfinders and the trolling motor.

**Barnacle Bill** · 07-19-2011, 08:53 AM

The only thing that should be on the trolling motor battery is the trolling motor. Everything else should be on the starting battery.

**SLAB MASTER** · 07-19-2011, 08:56 AM

lil re-speck,

This should be fairly easy to isolate. I would suggest turning off the locators and disconnecting the trolling motor. Then recharge the batteries using your manual charger. Let it set for a while to see if it runs down. Assuming it doesn't, I would suggest reconnecting the trolling motor to see if it is draining the battery. If by chance you have an amp meter you could connect it in line between the battery and the load, stuff connected to the battery, and see if there is any current being drawn.

**Crappie 1** · 07-19-2011, 09:08 AM

This might not apply. Yesterday I put the charger on my starting battery, it read 13.1 amps, but only 20% charged. I left it on the charger all night and it was 100% this morning. I mess around a lot when were fishing, so I don't run the gas motor fast enough or long enough to keep it full charge. Not sure if that helps anyone or not?

**CatFan** · 07-19-2011, 12:14 PM

It sounds exactly like your battery isn't being charged.

I can't find any charger with a number like that. Does it have lights, and are they on?

**lil re-speck** · 07-19-2011, 12:59 PM

thanks guys the charger is a cabelas pro sport 8 when hooked up the lights are on red when supposedly fully charged the lights do go green.when i bought the boat 4 yrs ago it was set up the way that it is and i never had any issues...until i decided to mount that on board charger.however to check i will hook the fish finders and other acessories to the starting batt and charge the batts again go fishing and see if it works.also the reason i hooked the fish finder to the deep cycle is thers a feature that monitors the batt voltageand tells me if the batt volts goes lowerthan 10.5v

**CatFan** · 07-19-2011, 02:12 PM

I'd verify the voltage at each battery's terminals while the charger is on. You should see 13-15V when the charger is on.

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