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Old 01-31-2016, 10:38 AM   #1 (permalink)
Cadillac Bill
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Solar battery charger/tender?

Just got a 1997 Featherlite 36' Gooseneck car hauler. I an trying to decide on a charger/tender to keep a 12v deep cycle charged. The trailer has small 12v interior lights and, 12v landing gear (jacks the trailer when hooking up to tow vehicle). I have a portable Honda 2000i generator, but am looking for a more passive system to maintain the battery.

Since I am not close to 120v power when the trailer is stored, I think a rooftop solar cell would be a good idea. I am thinking that something that would keep the battery charged and maybe have enough oomph to charge a dead battery when needed. My 12v power requirements are low. The only thing is the hydraulic pump that lifts the trailer front, and some small lights inside the trailer that I don't normally use.

It seems there are solar cell setups that trickle charge a battery enough to keep it topped up, and chargers that actually can recharge a dead battery.

What solar/charger you recommend that would be a good unit that would work in my situation?

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Old 01-31-2016, 11:08 AM   #2 (permalink)
testdrive
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Solar would be ideal for you. Use a 50 watt panel and a smart 3 or more stage controller. Does not have to be a MPPT. Most of them have displays to indicate status. Make sure the 12 volt lighting is LED type. Solar panels cam be found for less than $.75 per watt. The quality of most of the panels are about the same so be aware of the hype.

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Old 02-14-2016, 11:05 PM   #3 (permalink)
donutslayer
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Try this: Designing your RV Solar Battery Charging System for Real World Conditions
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Old 02-15-2016, 07:06 AM   #4 (permalink)
Cadillac Bill
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Quote:
Originally Posted by donutslayer View Post

Very appreciate your help and sharing the link information. I had already gotten a panel setup. I often use AMAZON and study customer reviews. This is the setup I have installed and it works great, and it seems to fit the use as shown in your link. I am very pleased to look at your link!

Notice it has over 650 reviews and is well liked. Mono-crystalline and uses a draw of about 19v. The Wanderer controller that will not overcook my battery and will power four solar panels will give 400w if I need.




I have interior lights (present halogen bulbs "old style" and upgrading to LED) in my 1997 trailer, electrical-hydraulic landing gear and a 4500lb Superwinch to pull a car into the trailer. All of these are powered with a deepcycle Interstate 100ah battery from Costco with about $100.

I also installed a power inverter that 1000w with a startup 2000w. All this draw is working perfectly for all my power needs. I am on the road to power a air compressor will pressure tires as needed from the power inverter.

that I am using higher power needs if I am at a show, I can use a Honda eu2000i as needed when using heavier power outputs, but so far it is all I need from my roof top solar panel.

The Honda 2000i is really awesome. Also uses clean 4 cycle gasoline and does not need the oil nasty mixture.


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Old 04-01-2016, 07:43 AM   #5 (permalink)
Hammerz71
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I have winches on both my gooseneck and dual axle bumper pull trailers and mounted solar panels on both to keep the deep cycles powering them charged. Works well for me...
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