So for the easily more electrical knowledgeable than I; I want to connect a BatterTender to my 06 H3's always drained battery. I also have aux lights, GMRS and CB radios connected to the battery. Should I disconnect this "stuff" while recharging or is it safe to leave them off but connected. Yes; I know I need to also search what is draining my battery!!
Thanks in advance

 

Yes you can charge the battery with everything connected, same result with the alternator.
In the meantime, check for a parasitic draw:

 

thanks!!!! Video was also extremely helpful!!!

 

I've had a tender plugged into my H3 for 10 years. I put the short pigtail on the battery..so it just plugs in under the hood. Has never failed to start..and I only drive it once or twice a year. I have one on my Mercedes 450 SL..and on my 26 HP garden tractor...Good products..

 

The more important question is: are you still using the OEM Crappy Azzed Battery Terminal Connectors? If yes, hack them off immediately and replace with a quality aftermarket set like Stingers.

Just like ozark1, I have a BT short plug in pigtail permanently connected to my Battery via my Stinger Terminals and it gets plugged into a 20' BT extension wired to a Battery Tender Plus that sits inside the garage when it is parked in winter on my driveway just outside the door.