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Solar panel battery charger.

Discussion in '2nd Gen. Tacomas (2005-2015)' started by base1375, Nov 14, 2012.

  1. Jun 20, 2013 at 2:54 PM
    #41
    skygear

    skygear           

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    Of course he did. Personally I would have used those Non slip cell phone mats or some double sided grey foam 3m tape 6050.
     
  2. Jun 20, 2013 at 3:38 PM
    #42
    maineah

    maineah Well-Known Member

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    You'll need a pretty big solar bank if you flatten your battery and want to leave in a hurry. Charge a jump pack with a small solar cell use it when you need it. Charging the cell phone is not an energy hog laptop around 50 watts (4 amps @12 volts) If you are moving every day you should be fine but days on end it ain't going to happen.
     
  3. Jun 20, 2013 at 4:02 PM
    #43
    Bobbb

    Bobbb "Rumors of Bob, but never Bob. It is Bob, right?"

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    Yup. Stanley jump starter plus a 20W Powerfilm folding panel that stays with my camping/cruising gear as backup-

    [​IMG]

    The Stanley is nice because it can be recharged from an AC outlet or a 12V lighter outlet which means once you're started and going down the road, you can recharge the jumper just in case you need it again. I bought the panel for another use, but it also works well as an emergency backup if needed.
     
  4. Jun 20, 2013 at 8:12 PM
    #44
    colinb17

    colinb17 If at first you don't succeed, don't try skydiving

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    It was mathematically equivalent to an overcast day. Enough to power 3 lights, a thermostat, a power outlet that was running a computer, and a stereo that pulled about 200 watts. in addition to powering those, it also charged the 12 volt deep cycle battery.

    don't worry......i predrilled :rolleyes:

    the screws were only supposed to be temporary. been busy though, so i haven't had time to fab some mounts yet. screws are working well so far though. you just don'w want the panels coming loose, bouncing around offroad at high speeds.
     
  5. Jun 21, 2013 at 6:22 AM
    #45
    Wicked 2007

    Wicked 2007 Well-Known Member

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    It all comes down to space and money. My 100w solar setup takes up no room and on sunny days gives me 40+ amp hours back into my bank (well enough for my needs). I run my fridge and all my power needs off my AUX battery and I never like to run it below 50% so this single panel is perfect for me to keep me topped off. Ive camped parked for over 5 days and had no issues and it was at 95% charge when I fired it up to go home.

    Skygear - sounds like he wants to run a ton of stuff and this is where I agree a generator would be good. You can pick up a Honda EU2000i (2000w) pure sine wave generator for about $950 to your door. They weigh under 50lb (well less than 1 31m battery which weighs about 70lb). The only downside is the noise. Granted the Honda is quiet - I own one myself for home backup power) - but to have that thing running around camp is not appealing to me. If it was for tailgating, yes its fine, but not to sit at camp and listen to that thing hum - even in Eco Mode - would drive me nuts
     
  6. Jun 21, 2013 at 6:26 AM
    #46
    RevAdam

    RevAdam Impressive Member

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    So if you need to charge your battery at night... take 10k worth of solar equipment to a gym full of high bay lights.... ;)
     
  7. Jun 21, 2013 at 6:44 AM
    #47
    colinb17

    colinb17 If at first you don't succeed, don't try skydiving

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    Pretty much lol.
     
  8. Jun 21, 2013 at 7:10 AM
    #48
    skygear

    skygear           

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    I do go camping a lot and thus why I was looking at a solar array. Generators are NOT in the works right now. Last one I gad, a 3000 honda inverter series, was stolen. Broken window on the camper door and all. With as much as I want to do, I want to make as much as possible hidden/ integrated into the truck, and the rest of the stuff BOLTED down.

    \
     
  9. Jun 21, 2013 at 7:12 AM
    #49
    skygear

    skygear           

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    I remember I was at a convention in DC a few years back. There were all sorts of solar exibits and I saw a few cylindrical solar panels that were suposed to be very efficient. Yep, have NOT seen them anywhere since. My idea was 4 of them. 2 on either side of the truck on the roof. I'll keep looking.
     
  10. Jun 21, 2013 at 7:27 AM
    #50
    Wicked 2007

    Wicked 2007 Well-Known Member

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    2 - thats a lot of people in a tacoma lol
    4 - yes bigger can be better, but keep in mind the bigger it is the bigger the fuse/breaker and cables needed.
    3 - the more is better attitude is not the best when it comes to spending money. Use the link i sent you, map out what you have, what Ah draw each thing has and how many hours each will be used each day. I say size it for what you need and buffer in a little. you can expand any system at a later time.

    The re-branded Odyssey batteries that sears sell (31m) are big batteries and heavy (72lb ea) http://www.sears.com/diehard-platin...850131000P?PDP_REDIRECT=false&s_tnt=39869:4:0

    I do not think you would be able to fit two in the stock location nor would you want almost 150lbs in the corner of your engine. With 6 people, fridge and gear sounds like more room is what you need. You can always mount them in the bed.

    As for charge controllers and panels - you get what you pay for. The grape solar panels are good and available at costco pretty cheap. Any good name brand MPPT charge controller would do, but now you need to figure how to wire it to charge a multiple battery bank.

    The more I see what your power needs are the more I think a small generator would be best (bolted and chained down :) )
    http://powerequipment.honda.com/generators/models/eu2000i
     
  11. Jun 21, 2013 at 7:27 AM
    #51
    Utard

    Utard Well-Known Member

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  12. Jun 21, 2013 at 7:43 AM
    #52
    Wicked 2007

    Wicked 2007 Well-Known Member

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    Those devices are typically 10-20Ah (this one is 22Ah according to the specs)- that wont get you very far with the stuff skygear is running. a 100w (charging a laptop) item plugged into that would run 1-2 hours if your lucky- and that would be a 100% drain which isnt good to do because its a small AGM battery in there and max DoD should be 80% - 50% giving you the most cycles

    they are good for jumpstarting or running very low wattage LED during power outages but that about it.
     
    Last edited: Jun 21, 2013
  13. Jun 21, 2013 at 9:42 AM
    #53
    peligroso

    peligroso Member

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  14. Jun 21, 2013 at 1:02 PM
    #54
    skygear

    skygear           

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    I agree I need space. But I have to work with what I have for the time being.

    Generally it is 4-5 in the cabin, and 1-2 in the bed for a combination of 6 people. When we show up to a place, I like to park it and camp. NOT turning over the engine again til it is time for us to leave in however many days or weeks it may be. The kids like to play their consoles in the evenings and on the road whenever we are camping. Sometimes I even use my truck as a mobile advertising platform also. Then theres times when I'm DJ'ing remote locations. No doubt I am NOT under stating my current needs. I just like to show up and have the "GREEN" factor for when onlookers are checking out the gear.
     
  15. Jun 21, 2013 at 1:03 PM
    #55
    skygear

    skygear           

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  16. Jun 21, 2013 at 1:11 PM
    #56
    skygear

    skygear           

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    Read my other post. But I wanted to say thank you also. I have a nice jump box. My goal, optimally, would be to show up, do my thing then leave. Not popping the hood to start my engine is the goal for me. GREEN factor also.



    As for the batteries, well, I have the 700# springs up there already - plus the added weight of 2 adults and 4 children.

    Cable, I have ~200' of 3/000 gauge, 500 Amp Isolator, 50 Farrad hybrid capacitor, couple of fuse blocks and a couple of Digital fuse blocks with various distributor blocks.

    Anyone have any input on the cylinder panels?
    I saw these - apparently they are able to store POWER internally due to the design also. That could be a space saver and all in one solution right there.
    http://solar.calfinder.com/blog/products/solar-cylinders/
    [​IMG]
     
  17. Jun 21, 2013 at 1:17 PM
    #57
    Wicked 2007

    Wicked 2007 Well-Known Member

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    I think those were developed by Solyndra the company that Obama gave over 500 million to make cheap solar that went out of business due to the dramatic price drop in solar panels. Not sure of the current status of the development though.
     
  18. Jun 21, 2013 at 3:37 PM
    #58
    skygear

    skygear           

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    AH,! Well damn. THats a name I can do some research on then. I guess I will find some off the grid sites and start reading.


    Also, the items I get for the truck will translate to an off the grid project integration eventually also. SO I do not mind getting what is needed now at a great price while I am able to.
     
  19. Jun 21, 2013 at 5:38 PM
    #59
    BlackSportD

    BlackSportD Well-Known Member

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    I didn't have the time or money to do an aux battery bank, battery isolator setup, trick mounting of solar panels, charge controller etc. The truck was going to see a lot of drive-way time draining away while I was deployed, so I bought a used VW solar battery tender. I'm really surprised how big the panel is, and the uber convenient part for the wife, it already has a controller inline and plugs into the OBDII port to charge.
    [​IMG]

    But for the OP, this isn't going to have the juice to keep much going- its really just a trickle tender. IMO you need the surface area of the roof of a shell and a couple of batteries to get enough solar a day to run computers, radios etc day and night. And by being a separate circuit you don't have to worry about killing the starter battery.

    I've wondered how much MPGs could be had if completely taking the alternator out and running on solar...
     
    Last edited: Jun 21, 2013
  20. Jun 21, 2013 at 6:42 PM
    #60
    allmotorrex

    allmotorrex Grove St. Motorsports

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