Originally Posted by bloodhunter
If you are going to have battery operated tools make sure you have spare batteries and aither a 12-volt charger or an inverter to run your 110-vot charger. Be careful with the inverter, they tend to eat current like you've got a 100-mile extension cord to your battery charger. Also I've found that a tool that will remove screws with stripped heads was very useful (think I got it in Sears). Also for your wrenches and sockets, check what sizes you need and get multiples of each otherwise you'll find that the one you need has been eaten by the boat.
I'd add that I would not leave a nicad charger hooked to a boat's inverter all the time. I know in people's garages they tend to just hook these chargers up and leave them running with batteries in them, but I would not do that on a boat because it would waste a lot of power just to keep the batteries warmed up above 90+% full all the time.