Re: battery power supply



Bob Monsen wrote:

quote === quote === quote ===
Up to 2 hours of run time
Compatible with 9V and 12V digital photo frames
Easily mounts to the back of the frame
5 interchangeable tips to ensure a correct match to your frame
Power your digital frame anywhere, anytime
Included AC adapter for easy charging
Rated capacity 16.6 WH
Limited 1 year warranty
quote === quote === quote ===

I'm guessing they meant 16.6AH. So, your 9V battery would last about 30 seconds... ;)

The link for the battery pack is here, in case you want to buy one:

http://www.aluratek.com/product_info.php?products_id=49&display=All



Did you look at the size of that battery pack? It is way to small to be 16.6AH at 12 or even 9 volts. If it is as they say 16.6WH, at 12V that would be 1383mAh which seems about right for the size of the pack and it would have to use lithium batteries to have that capacity and be that small. So if the OP's photo frame would last 2 hours on this pack, it should last almost 4 hours on a single set of 2700mah rechargeable AA NiMH cells that are commonly available. If changing the battery part way through his 6 hours is acceptable then he can just make 2 packs, if not build 2 packs and hook them together in parallel.


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