im looking to get a solar charger for the orion as i rarely use it and dont wanna keep buying batteries.i take it the higher the wattage the better the charge?was looking at
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=110909002435&refid=store&ssPageName=STORE:HTMLBUILDER:SIMPLEITEM
they also do a 4w one.will that surfice?