Run it all the way down until it's completely empty, and then charge it fully. Repeat a few times. You can also buy reconditioning units for most major brands. Success will generally be limited. You probably want to just buy a new battery.
buy a battery charger
A 12v Mini Drill is just a small drill with a 12 volt power supply. This can either be with an a/c adapter or rechargeable 12 volt battery.
Absolutely not! It is a 14 volt drill. Use a 16 or 18 volt battery will destroy the drill in short order. It will run but not for long.
You can recharge a AA battery if it is a rechargeable battery like the 12 volt battery in your vehicle. You can buy a rechargeable AA battery or one that is not rechargeable they just cost more money.
You can't, you need to get a replacement battery for the drill.
the 300maAH is volt rechargeable battery is the highest true capacity battery
Yes, If it is 12 volt and is rechargeable,
If it is rechargeable use a 9.6 volt charger.
Probably not. The cordless drill will, at best, see the battery as nearly dead; it probably won't work at all.
The volts on cordless drills are based on the battery power. The volt rating reflects the battery that is in the drill.
The original Swivel Sweeper battery runs on a 7.2 volt rechargeable battery. It weighs about 5.6 ounces and will fit relatively in the palm of your hand.
Depends entirely on how much current you use to charge it.