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#1 Ttdesrosiers

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Posted 26 October 2020 - 01:20 PM

Hi all! Just wondering what others use for portable power sources. I have a cpc 800 and noticed a few options from Celestron, but was wondering if there are others out there. Thanks!

Edited by Ttdesrosiers, 26 October 2020 - 09:02 PM.


#2 wrvond

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Posted 26 October 2020 - 01:31 PM

When I have it parked nearby I simply run extension cords to my camper. If that's not available I use a Schumacher Electric 1200-Amp Car Battery Jump Starter with Digital Display I purchased from Lowe's. It has two 12 Vdc  outlets, two 120 Vac outlets, and a USB port.


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#3 imrj

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Posted 26 October 2020 - 01:32 PM

Hi all! Just wondering what others use for portable power sources. I have a cpc 800 and noticed a few options from Celestron, but was wondering if there are others out there. Thanks!

here is mine.....last forever

 
LiFe for my Celestron 8''

Edited by imrj, 26 October 2020 - 01:32 PM.

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#4 junomike

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Posted 26 October 2020 - 01:33 PM

Talentcell 8300mAh


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#5 CoHPhasor

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Posted 26 October 2020 - 02:02 PM

  The Celestrons can have drawbacks.
For instance, I heard on here that the Lithium power tanks like these don't allow you to use both the 12V and 5V USB simultaneously.

 

 I picked up this sweet Jackery 240 on Prime Day for $50 off.
I've used it for at least a whole night's worth of tracking on my CGE this week and it only got down to 80%.
It has 5V USB and a 110V port as well.
This link for it is in stock soon, and $200 like I paid, shipped by Amazon

 

  It costs more than the Celestron units, but it has higher capacity than all of them, and is tiny and light.
They have a 160Wh version too for just $139 if the price is your issue.


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#6 tjschultz2011

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Posted 26 October 2020 - 02:03 PM

https://www.amazon.c...e?ie=UTF8&psc=1

 

Li Talentcell 38400 mAh. Runs my servo motors, fans, dew heaters, DSC computer, and phone charger if needed. 


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#7 SanjeevJoshi

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Posted 27 October 2020 - 08:47 AM

I am using two (when needed) Celestron Power Tank Pros (Lithium).  I like to keep one dedicated power source for the mount and items powered by mount - motor focus, Starsense etc.  This first set has a known and low consumption rate.  The second is for dew control, camera cooling and other accessories.


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#8 Ttdesrosiers

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Posted 27 October 2020 - 04:37 PM

Talentcell 8300mAh



#9 Ttdesrosiers

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Posted 27 October 2020 - 04:38 PM

Does the Talentcell come with the necessary cable to power the telescope or is that a separate item I need to purchase? Thanks for your help.

#10 Ttdesrosiers

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Posted 27 October 2020 - 04:39 PM

Thanks for all the helpful responses!

#11 Maritime

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Posted 27 October 2020 - 04:39 PM

Yes, a cable that is pin positive on both ends. Note “package content.”


Edited by Maritime, 27 October 2020 - 04:40 PM.

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#12 mich_al

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Posted 27 October 2020 - 06:36 PM

Been using a 6000mA TalentCell all Summer with my CGEM.  It's good for at least all night and probably more.  Comes with the proper cable and charger.  Very good solution at a very good price.


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#13 sabersix

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Posted 27 October 2020 - 07:07 PM

I guess I wonder how much is enough.  

 

I run an EQ6Rpro, with an ASI 183mcpro, a star shoot guide scope, an auto focuser, and a laptop.  I have some small power cells I use to run my dew heater.  I guess I would want to power those too.

 

How large of a power cell would I need to run through a full over night session?


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#14 imrj

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Posted 29 October 2020 - 07:23 PM

is not how large the pack is as important as your total current (amp) draw.....nothing beats a lithium when it comes to high sustained current discharge, mine is rated at 30C....so more realistically i can run it at 20C * 8400mah = thats 168A current....that will jump start your car or truck and then some...and LiFe are even better because they hold their rated voltage till the very last amp drawn, so they wont sag voltage like the more traditional lithium pack.....the rest is nothing, just a switch here or there, an adapter and a buck converter if you need downregulate voltage (5V or 9V).....

 

I see the TalentCell stuff, but honestly LiFe chemistry runs circles around LiIo, plus notice how they wont tell you the rated discharge current.....and with the size outputs they have its probably 1C or 11A....or the cables would melt....vs look at the output cables on mine.



#15 CoHPhasor

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Posted 30 October 2020 - 07:31 PM

The real question for you sabersix, is what laptop?
There is a wide gamut.
tiny chromebook? Huge core i7 with dedicated graphics?

Hell, my laptop is a mid-level beast and most usb c chargers dont cut it, but the same are fine for say, a macbook air, etc.

Also, what performance settings?
Some turn down nicely, but being at full performance eata quickly.

You'll also want to see if running from the manufacturer's approved 12V source, or a 110V source, is more efficient.

My Jackery does both, but maybe Im concerned about laptop, mount and heaters running from the same output isn't good, so I use both, etc.


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