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  1. #1
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    Default Celestron Powertank 17



    I have a new NEQ6 mount that i've been using in my parking lot (as I'm able to plug it in out there) and I just purchased a nice sturdy Wagon that holds up to 1000lbs and all of my stuff. Now I would like to bring my equipment up the road to a darkened field but obviously there are no outlets there. I've been reading about different battery solutions and the 'purchase a battery, cables and inverter' solution is too confusing/difficult and not for me. I would end up frying my mount. So I've seen these Celestron Powertank batteries and was wondering if the 17Ah would be enough to power my Sky-Watcher NEQ6 mount, my laptop with USB hub attached and a USB GPS receiver and USB-Serial Cable connected to the hub. If so, how long would it last? I like to stay out up to 4 hours.

    Once I figured out polar alignment (which was easy after being shown), got my stuff hooked up and started taking pictures, I got hooked. Now I want to get out of the direct light and into somewhere dark to try to get some better images. I've been hit with the AP fever.
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  2. #2
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    Default Re: Celestron Powertank 17

    I have the smaller one. It works great. I get several days use out of it. I have not yet done a test to see how long it lasts before going completely flat. The guy at the shop I bought it from says I should get two full days use out of it and the bigger one four days use.
    Last edited by Slabs1960; 06-09-2014 at 08:49 AM. Reason: Spelling
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  3. #3
    Voyager3's Avatar
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    Default Re: Celestron Powertank 17

    Just make sure you recharge it after every use, and once a month when not in use.
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  4. #4
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    Default Re: Celestron Powertank 17

    Ah, another poor soul struck by the madness of Astro photography. Alas.
    Your mount should run for a couple of nights on a 17 AH power tank, once you start throwing in a your laptop, and eventually a camera, then whatever comes next you'll en up wanting something a bit more rugged. Besides I have read that mounts are happier with their own power source. You might consider getting a small Sealed battery for an emergency lighting system to run the mount. That way you aren't spending money on the giant white light and radio that comes as part of the 17 AH Power tank. Then later get into world of deep cycle batteries and inverters for the rest of your stuff.

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  5. #5
    Theriex's Avatar
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    Default Re: Celestron Powertank 17

    Quote Originally Posted by Mike_Lewis View Post
    Ah, another poor soul struck by the madness of Astro photography. Alas.
    Your mount should run for a couple of nights on a 17 AH power tank, once you start throwing in a your laptop, and eventually a camera, then whatever comes next you'll en up wanting something a bit more rugged. Besides I have read that mounts are happier with their own power source. You might consider getting a small Sealed battery for an emergency lighting system to run the mount. That way you aren't spending money on the giant white light and radio that comes as part of the 17 AH Power tank. Then later get into world of deep cycle batteries and inverters for the rest of your stuff.
    Ya I'd rather just buy a simple solution like the powertank. Those other options seem too complicated for me or dangerous to have around my kids.

    I suppose I could run my laptop off its own battery, it should run for at least a few hours for me which is all I need, then I can just charge it overnight. I run my camera off its own battery and it hasn't died yet on me when i've been out for 3-4 hours. I could always buy another battery for it and if it dies just swap it out.

    I obviously don't want to waste money on some stupid light and a radio. I'm not out there to read a book or listen to music. If you can suggest a solution that isn't too complicated and would be safe to have around the house, let me know, but i'd most likely need specifics on everything I would need to purchase and where.
    Sky-Watcher NEQ6 Mount
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  6. #6
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    Default Re: Celestron Powertank 17

    Go to Walmart and pick up two of these (2 are cheaper than one Celestron PowerTank). Connect one to your scope, the other to your laptop and you are good to go all weekend long. You'll notice they don't have a light or radio. The Celestron PowerTank is notorious for dying within a year of purchase under normal use. This why I don't own one. Save yourself some money, these units are safe and easy to use. They have a single 12V accessory socket (cigarette lighter socket) and that is all you need. 400 Amp Jump Starter | Walmart.ca

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    Default

    Get one of these either from Sears or online. I have the 950 but I would have got this one if they had it when I bought my 950.

    http://m.sears.com/P/Automotive/false/V

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  8. #8
    Theriex's Avatar
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    Default Re: Celestron Powertank 17

    I've done a lot of reading and seen nothing but negative posts about the Powertank, so i'm going to avoid it. The link you posted isn't showing anything specific, the 950 is that the "DieHard Gold Portable Power 950 with JumpStarter DC & USB Power Source"?
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    Default Re: Celestron Powertank 17

    Another option is the Nautilus 33ah booster that Canadian Tire sells, usually put them on sale (40-50% off) every month or so.
    800 cranking amps, 2-120v outlets, one 12v, one usb 5v Motomaster Nautilus Battery Pack, 800 A | Canadian Tire
    I have a 7ah power tank (2yrs now) that in remote sites I run my CGEM with, my laptop runs off the inverter in my truck, my Nautilus runs my dew heaters & I have 2 batteries for my dslr. I start my alignment just before dark(using dslr) & shoot all night till sunrise.
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    Default Re: Celestron Powertank 17

    Any automotive jump start battery will do the same job as the Celestron Powertank for a lot less money. You can power your mount for a couple of nights with any of them.

    However, once you throw in the laptop, all bets are off. Depending on the laptop and the battery, it might only last a couple of hours. A deep-cycle marine battery would be a better option for a computer in the field. Don't forget that you will need a special adapter to run a laptop off 12 volts.

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