My adapter was stolen and i found another adapter. I was wondering if would blow up my cordless drill/screwdriver if i use the adapter i found or do i have to try to find the correct adapter?

I'm a female and don't have a clue. Bought a cordless chargeable screwdriver and set it up and charged overnight. If I am going to use it only a few times this week (just moved) and then maybe only use it once in awhile, do I keep it on the charger constantly like a portable house phone? Or do I keep it off the charger and use it when I need it and only recharge when starting to go dead. After initial use this week, it may not be used only but once a month or so. I don't want to kill it. Thanks!!

I have a nice socket wrench set with magnetic drill bits for a screwdriver. Somehow moisture got into the kit box, and the drill bits are covered with rust. How do I remove the rust from these?