Not exactly a camera dealer, but they sell memory card readers, batteries, and chargers that you can use for photo stuff, as well as other random LED products.

They have universal card readers, or readers for your specific type of card.

AA and AAA NIMH batteries, 5 pack for $5
--AA = 2500maH
--AAA = 1000 maH

Chargers for $5-$12

Card readers are $4 to $18, depending on style, speed, and versatility

And flashlights, which are great for night photos, be it fiddling with your tripod, changing camera settings, or "signing" a landscape, they are always fun.

Shipping is free on everything and the company is reliable. They mistakenly packaged dead batteries with a laser pointer i ordered for $3 and they're sending me new batteries...very impressive that they stand behind something so cheap.

I know there's some bikers here, and they have bike lights for cheap too.