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Thread: Camping and charging batteries

  1. #1
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    Default Camping and charging batteries

    So I'm looking to go camping during September/October, and there'll be no power. How do you guys keep your batteries for your cameras and external flashes charged? or do you just buy loads of them??

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    I use a 100 watt inverter and plug it into the cig lighter, does your phone as well.
    The voices in my head may not be real, but they come up with some great ideas..

    Cheers Rev.

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    Double batteries in my battery grip do me for a couple of days so I find it not too bad.

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    Rays suggestion is the way to go.

    Though i used my 40D with battery grip in Africa everyday for 2 weeks before needing to recharge. I find the 7D is even better when it comes to battery power so unless you are out for an extended period i do not think you'll need to worry too much about it.
    Cheers,
    Geoff


    reposts welcome

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    Quote Originally Posted by Ray Walker View Post
    I use a 100 watt inverter and plug it into the cig lighter, does your phone as well.
    Yep, same, use a 150W inverter from the cig lighter to charge camera/flash batteries, mobile and laptop etc. Very handy!

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    Excuse my ignorance, but what is an inverter? What brands should I look at etc? I forgot about my phone etc, I'll need to be able to recharge that as well.

  7. #7
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    An inverter converts yours cars 12 volt power to 240 volts. Any place like Dick Smiths etc sells them. If you buy 100 watts you can only use appliances that need less than 100 watts to run . ie, my cd uses 40 watts.
    The voices in my head may not be real, but they come up with some great ideas..

    Cheers Rev.

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    This looks decent, I like the cupholder idea!

    http://www.shopbot.com.au/pp-targus-...ce-169625.html

    Are you able to charge AA batteries through a battery charger connected to an inverter?

  9. #9
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    Are you able to charge AA batteries through a battery charger connected to an inverter?
    Yes, I do. Like I said , all you have to do is make sure what ever you want to use is below 100 watts.
    The voices in my head may not be real, but they come up with some great ideas..

    Cheers Rev.

  10. The following user says thank you to Ray Walker for their reply:

    Adam Blyth (18-08-2011)

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    Yep, Ray is spot-on. I've got a 150W model from Dick Smith's. My laptop (most power hungry device I take with me) draws 90W so I chose an inverter with a slightly higher rating (the inverters have a max continuous rating which is lower than the stated rating) to make sure it was sufficient. Use it for all sorts of things ( I use mine for my AA charger too, phone etc) so long as the equipment you want to power has a lower power rating than the inverter. The one I picked up (was only about $60? ...from memory) supposedly has overheating and overload protection and low battery (for the car) warnings too.

    Just looked and found the one I have HERE. Looks like there'd be stacks of different models/ratings to choose from in these units!

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    Rich, is it a pure sine wave or modified?

    Coincidently I'm looking to get myself an inverter

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    Quote Originally Posted by Chris M View Post
    Rich, is it a pure sine wave or modified?
    Quote Originally Posted by link
    Uses an efficient modified-sinewave circuit with overload protection in a solidly built metal case.
    From what I've red pure sine wave inverters are more expensive.

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    I'd go to Jaycar for an inverter, they're like what Dick Smith used to be like 20+ years ago, Dick Smith has gone over to selling gadgets in boxes and often the staff aren't knowledgeable about electronic stuff these days. Jaycar are usually pretty knowledgeable. Decide what you want the inverter to power then find the highest Watt rating and go a bit bigger, you don't want it too much oversize as they become inefficient when running on low loads like charging a set of AA's

    Don't forget that if you are running a 90W laptop that is pretty much equivalent to leaving your headlights on, you are drawing quite a bit of current! Also 150W is about max size you want to plug into a cigarette lighter, that will draw about 12 amps and most lighters will be fused at about 16 amps +/-. Sine wave doesn't really matter as the laptop power supply or battery charger is converting the current into DC for charging the battery and has its own electronics for smoothing out the power going in. A modified sinewave is likely to be OK for battery charging duty.
    Chris Ross
    Helensburgh NSW
    www.aus-natural.com
    Instagram: @ausnaturalimages

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    Thanks Adam.

    Cheers Chris, Appreciate that....

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    Quote Originally Posted by Richard Hall View Post
    Use it for all sorts of things ( I use mine for my AA charger too, phone etc)
    I have the same AA battery charger!

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