Cordless drills provide many benefits over normal drills. There is no need for that big pile of mangled wires in the back of your truck. They are flexible, portable, and are the new industry standard. They used to be very expensive, but today everything is wireless so it is a must if you are a carpenter or handyman.
Now you want to discharge the battery. If you disable the hibernation setting or anything else that might make the computer go into power saving mode, it would be better. Let the computer run until it shuts down due to loss of battery power, then turn it back on.
Most of the laptops now a day are equipped with cobalt mine-ion batteries. Though there are Nickel-cadmium, Nickel metal hydride, etc, after the invention of Lithium-ion battery, because of its efficiency most of the laptop manufacturers are selling it along with their respective laptops.
Much of the response to the threat of Giardia is overkill. A favorite scholarly article on Giardia was written by Robert L. Rockwell, PhD. It's titled, Giardia Lamblia and Giardiasis, With Particular Attention to the Sierra Nevada. Bob Rockwell is an active mountaineer who made his first trip into the Sierra Nevada in 1952 to climb Mt. Whitney, and he repeats this climb several times annually. He has a bachelor's degree in Physics from UC-Berkeley, and a PhD in Aeronautical and Astronautical Engineering (Biomechanics) from Stanford.
All the phones now come with Lithium battery stocks ion batteries and charging should not be an issue ...although it's best not to charge them over 24 hours..Overnight every night is fine...they all do have a life though leaving it off when you don't need it can extend that. Although you would miss calls.
If your cordless tools were acquired a long time ago, the battery and charger were of an older technology. The new generation batteries are more efficient and can be charged very quickly. That can be a slight problem with the older charger. The newer chargers have a smart sensing circuit that will cut down Lithium mines Ontario the charge rate as the battery is close to getting full. But for older chargers that do not have such smart circuits, they can overcharge the battery, making it hot when it's left on the charger for extended amount of time. So it's worth the time to investigate if a newer type of charger should be in order when getting a new replacement battery.
Battery memory affect is the length of time a battery will work before it needs recharged. The battery 'learns' such period of time through how you use it. If you repeatedly use your laptop for one hour and then charge it, its battery will learn to stay strong for only one hour. Using a Lithium battery and using it until it is almost dead and then recharging it will greatly increase the period of time that the battery will stay strong. Please make sure to read the manufacturer owners manual to also find out more about the battery life.
Third, it is quite important to fully charge the battery every time, also to run the battery to be empty every time. The reason is the battery will lose charge day after day if the battery in your notebook is a nickel metal hydride. Therefore, your battery will dies a certain days later and you need to order a new one. Your work will be affected and money will come out of your pocket. Shortly, you can keep your battery in a good condition for a long time if you do as what have mentioned above.