On Aug 1, 9:29*pm, wrote:
On Mon, 1 Aug 2011 13:09:15 -0700, SF Man
wrote:

On Sun, 31 Jul 2011 03:29:22 +0000 (UTC), Larry W wrote:

A crowbar usually works. (You use it to open your wallet)

You're not kidding!

They seem to cost about $60!

GTO RB500 7 amp 12 volt battery = $29 + 10% tax + shipping:
http://www.gateopenersunlimited.com/...placement-Batt...

UltraTech UT1270 7 amp 12 volt battery = $29 + 10% tax + shipping:
http://www.amazon.com/UltraTech-UT12...T-1270/dp/B003...

*Find a local battery supplier - my local battery wholesaler supplies
me with 7.5 and 8 anp 12 volt batteries for $16.50 Canadian each plus
tax.No shipping required.

i like the idea of a solar charger for this application