Battery heated gloves are ideal for motorcyclists, skiers, fishermen, and snowmobilers, etc. The gloves are made out of different types of materials and generally come with a soft and warm insulation that also pads the gloves. Some models are waterproof and/or windproof. Most of them are also adjustable and come with a small lithium stocks copyright-ion battery in each glove that heats them up.
The processor goes up to 75-85C while under pressure but rarely dips below 40C when idle. Everything else is a bit cooler of course, but 40C in the computer case is rather common even with good air-flow. If you plan on using your notebook from the charger, remove the battery first left at 40% charge. Use an air-tight plastic bag and put lithium facts it into the fridge. Do not freeze.
ONickel Metal Hydride (NiMh) - Popular battery about 1-2 years ago. They are lighter than Nickel Cadmium batteries, but heavier than Lithium batteries. These should be cycled once in a while for optimum performance.
For this cordless drill comparison I decided that the chemical properties weren't important to me. What mattered was why an Li-ion battery may be better than a nicad battery. My drill comparison came up with 2 major reasons. Li-ion batteries weight is about half that of a nicad battery. In other words when you hold a 18 volt lithium bettery stock ion powered cordless drill driver over your head you will notice a major difference in the weight over that of a 18 volt nicad drill driver.
For any new laptop, the battery usually comes empty. It's advisable to charge at least 4 hours non-stop on the first charging as it can prolong the lifespan of the battery. Also during the first charging, it is not advisable to use the laptop battery at all.
Using these easy tips to keep the battery in the best condition won't do wonders, but will let you use it to the maximum number of recharges. Ever wondered why some laptops keep their maximum capacity for 3-4 years, while others dive under an hour of runtime in one? This is why.