RE: The ABSOLUTE best field charger!
I'll second Ernie on that. The SIRIUS CHARGERS are the worlds best. I bought a Pyramid AC 12v power supply so I can use it at home without running down my field box. Sirius also sells their own. The one thing I love about the Sirius chargers is no buttons!
[link=http://siriuselectronics.com/]Sirius chargers[/link]
[link=http://1stopcbshop.com/s-cart/form.phtml?g_intCatID=66]Place to buy a power supply[/link]