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52 posts

Master Geek
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Topic # 228561 11-Jan-2018 20:47
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Has anybody found a USB powerpack that can be charged while also supplying a load.

 

I have brought a couple and they wont. However some threads online show users overseas have identified a few brands that work like this, specifically people use as a UPS for raspberry pi etc.

 

https://www.raspberrypi.org/forums/viewtopic.php?t=166174

 

I want to use with solar panel going in, and supplying android phone setup as timelapse camera. Phone doesn’t quite get through the night at the moment if cloudy in the afternoon.

 

Anyway if somebody knows of a model that works like this please let me know the details. 


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52 posts

Master Geek
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  Reply # 1937383 11-Jan-2018 21:17
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One that does, but cannot find anybody that has one in stock:

 

https://www.elive.co.nz/adata-pv150-power-bank-10000mah-black.php 


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52 posts

Master Geek
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  Reply # 1937387 11-Jan-2018 21:23
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Yeah, but what is the deal about shipping lithium ion batteries. Think there are some problems around that? Youshop doesnt allow. May be in the too hard basket to import one.


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  Reply # 1937411 11-Jan-2018 21:51
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My 10,000mAh Orico powerbank has no issue charging and discharging simultaneously, its a couple of years old so no longer available but not sure if other Orico banks can do this. i should add it is not advertised as being able to but it definitely does :P


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  Reply # 1937424 11-Jan-2018 22:34
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kemosabe:

One that does, but cannot find anybody that has one in stock:

 

https://www.elive.co.nz/adata-pv150-power-bank-10000mah-black.php 

 

 

Photo Warehouse has them, provided you're prepared to pay their premium prices.

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  Reply # 1937448 12-Jan-2018 01:39
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Build your own 12V UPS. Especially as you want to charge from a solar panel. There are plenty of methods to step down 12V to 5V to run your phone. And lots of 12V solar charging systems available. As for a battery. Since your load is just 1 phone, a 7AH gell cell battery should be plenty of capacity. They are also available cheaply as they are normally used as backup batteries inside house alarm systems.

What solar panel are you currently using?







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Master Geek
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  Reply # 1937450 12-Jan-2018 01:57
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At this stage I was really just throwing some off the shelf parts together for a temp requirement. The camera is on the top of a 5m pole, so didn’t really want to add too much weight with 12V batteries and regulators. But if needed I will hardwire back to ground. Solar panel I was playing with was just this cheapie https://www.trademe.co.nz/Browse/Listing.aspx?id=1491002268, but it doesn’t seem to have any issues fully charging a 2000 mAh power pack during a sunny day, hence my thought of adding one of these as a bit of a buffer if I could find one that could support a load while charging.


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  Reply # 1937459 12-Jan-2018 06:42
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Get a Sentry Lite, any size battery you want, and a 12V to USB adapter from ebay or similar. I charge with solar if the mains is off then carry a battery inside.





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52 posts

Master Geek
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  Reply # 1937732 12-Jan-2018 15:45
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Thanks for the feedback. Have gone ahead and ordered an Adata PV150 from https://www.actiontech.co.nz/ 

 

A 12volt system is obviously the best solution, but this will do for a play.

Cheers.

 

 


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