Okay, so we know we'd be sunk without our laptops and cell phones. But what about the car? Cars have batteries too. Perhaps you ride a Harley Davidson - not without a motorcycle battery! It's interesting to think where we'd be if the afore-mentioned lithium battery stocks zapping episode took place. We know that our forefathers coped without batteries but could we?
Why is this important? If you have a relatively new PC the only problem you will get are error messages relating to the clock on start up. No Lithium mines Ontario big deal. If your PC is older then a low battery could be a nightmare. I had a PC which once every few months refused to boot. Rather than take the PC in for repair or start replacing parts myself the first thing I did was look at the BIOS settings. It was soon obvious that the BIOS settings were corrupt (wrong bus speed). I put a volt meter on the battery and sure enough it was reading 2.2 volts.
Toshiba laptop batteries are excellent for this. They make it easy to have a spare battery for a laptop for many reasons. One is that they make batteries with high capacity. They are lithium-ion batteries. A Li-ion battery lasts longer than other batteries do. Because of that, they have a longer use life as well as not having to be replaced as often.
By the way, on most modern PC's the time is updated from the web. The 3V Lithium battery stocks just maintains the time when the PC is powered off. This is useful as the motherboard clock is not very accurate, easily losing a couple of minutes per day.
Power - this is another important thing which should be considered. You have to know that the more power that the drill has the faster the screw will be bale to go in. hence if your screws go in at a faster rate then you will be able to install your things in less time.
A used battery must be disposed of properly. Do not crush or throw a battery into a fire. This could lead to a major accident because the battery could explode.