One of the most expensive items on your electric utility bill in areas with hot summers is the cost of operating a central air conditioner. If your unit doesn't have the correct amount of refrigerant, this cost can be even higher. Here are some steps to help you charge your home central air conditioner. Steps.
The more discharged that a battery is, then the longer it will take to recharge it. Usually it takes several hours to effectively recharge a battery. If a battery is very discharged then it can take up to 12 hours or more to recharge it. While recharging a battery, if the battery becomes hot when you touch it then stop charging it. Slow charge: It is best to slow charge the battery.
Report Abuse. 1  A LOT of misinformation here. First, do not keep the battery in the boot especially if it is a wet battery filled with acid. 2  It will stay charged for about 4 months. It will be slowly losing power the whole time, but typically one can retain at least enough to start the car after sitting for about 4 months. Given enough time the car battery will die. Once it gets a jump and is ran for a while it will re-charge, but just left sitting it will die. Depending on how good of shape the battery is it will die in a day to 2 weeks. Ashley Â· 6 years ago.