Here is some useful information I found. Note the Maxxima LED light @ $35.00. Promising for solar batteries.
Wells Cargo: 7000011 Box, Battery, Solar, Group 27 Battery $193.60 EA
7000010 Box, Battery, Solar, "U" Series Battery $155.93 EA
http://www.powerupco.com/batteries/boxes.php
http://www.batterymart.com/c-solar-battery-chargers.htmlLED Lights & Mounts: http://www.maxxima.com/contact_us.php
LED Lights/Solar: http://cgi.ebay.com/ebaymotors/Maxxima-White-LED-Cargo-Camper-RV-Light-Solar-Trailer_W0QQcmdZViewItemQQcategoryZ50070QQitemZ370239135116