The first rule you need to be familiar with when choosing a cordless drill is this simple fact-the battery you choose to power this tool will ultimately determine the strength and torque you will get. Obviously, the higher the voltage of the battery, the more power you can expect to get from your cordless drill. While this seems to be very exciting option, there are tradeoffs to be made with a higher voltage cordless tool. There is the burden of additional cost and additional weight if you are going for a higher voltage solution for your drilling needs.
OLithium Ion (Li-Ion) - This was the latest battery technology before lithium polymer. They have a higher power density than NiMh and NiCd batteries. Li-Ion batteries generally come standard with most phones. For most people, this battery technology represents the best combination of size, capacity, and value. These types of batteries don't suffer from the poor memory effect and can be recharged anytime.
Your iPod uses a lithium mines ontario ion battery. That is not the round kind found in a flashlight. Rather, it is a light, thin battery that is more powerful than conventional batteries. Using your device causes the battery to drain - simple enough. However, every time you charge your iPod battery, it loses some of its total charge. Over time, it will simply run out of power and you will have to replace the iPod battery with an iPod battery replacement kit.
In case you some how do not use the battery for 3 months or more, the above described procedure should be followed before you restart using the battery as normal.
When you store it, make sure the temperature is not too high nor too low. Don't freeze it and storing the unit in a hot car or near the radiator is a bad idea as well. Use a sealable bag, charge the Lithium battery stocks to about 50% and put it into the fridge between 0 and 5C.
Lithium mines Ontario-Ion batteries are revolutionary in fact, not just simply better than Ni-Cd. They don't have memory effect, which means you can easily use them a little and then partially recharge them just to discharge them to a certain percentage of their capacity other than zero. They like partial charges and discharges better than full ones, but memory effect is not something you should be aware of.
These can be found at your local PC repairs store in many cases. If they do not have them in stock, they may be able to find them for you. The best news of all is that they will likely be far cheaper than what you would have to pay with the manufacturer. For the most part, you will likely purchase a Lithium Ion battery for your laptop. This is extremely popular and the type used by most manufacturers to date. All you need to do is contact your local PC repairs shop and ask them about any laptop batteries they might carry or if they can get them.
Of course, there will be Apps. Smart phones right now are all about the apps. You need to do a bit of search. This is necessary since the right apps will help you and nasty ones will just be a liability and will eat up your space. There are also paid and free apps so if you really want to make the most out of your smart phone use, check out the options and invest on good ones.