what do you think of this?

[basselete]

im building a small 4 by 6 expedition trailer with a aux fuel pump, a water pump, led lighting, and maybe a arb fridge later on. what do yall think about using this
http://www.ebay.com/itm/150W-40pcs-...118?pt=LH_DefaultDomain_0&hash=item5af32b2abe
as the base of the trailer's power system....