As an all-in-one performance notebook with gobs of special features, the HP Pavilion DV4-2161NR 14.1-Inch Laptop is hard to beat. This laptop from HP is ideal for users on the go and those who want to work with multimedia files. Beyond that, it's a highly affordable laptop that has something for everyone.

The basic rule of getting a replacement battery is that it should have the same voltage as the original. An 18V drill cannot run on a 12V battery. It can only run on a 18V battery. The other thing is that the physical packaging of a battery can be different from company to company. A 12V Ryobi battery may not fit into a 12V Makita cordless drill unless the battery has the right physical dimensions. So make sure the replacement battery looks the same as the old one before you order it. Also, if you are looking for a replacement battery of the same voltage rating and by the same company, know that battery technology is changing rapidly. An 18V lithium-ion battery has a different physical packaging than a NiCad 18V battery.

And charging is lithium ion stocks the best thing about Li-ion batteries there's absolutely no memory effect. And they charge quickly. Battery manufacturers always like to say they've reduced the memory effect, or even 'virtually eliminated' it. But it's never true, you might get away with charging the battery from half full every now and again, but if you keep topping them up then the capacity always goes down. With Li-ion they don't need to reduce the memory effect, there isn't one.

When an iPod battery dies, you can easily purchase an iPod mini battery replacement kit, instead of purchasing an entirely new unit. According to Apple, iPods are designed to last for years to come.

Microsoft is soon to release their latest graphic Lithium battery stocks game version of the Xbox with the all new Project Natal which includes a collection of features that are down-right spooky. Just your regular old voice recognition, and face recognition and a virtual character who can also recognize your emotional state. Mix in some drop dead graphics and amazing (I mean jaw dropping) virtual interaction and if you aren't transported back to planet Klingon then you're long due for a Vulcan Mind-meld.

My.Vu offers the Crystal which is an elegant Lithium mines Ontario hand-free viewing eyeware device with earbuds and VGA resolution and a USB rechargeable battery with up to hours viewing time.

If your drill didn't come with a second battery (my cordless Bosch drill did) than you will either have to purchase a second battery or take a short break until your battery is ready.

With any battery, every time you charge it, it loses a bit of its performance and power. Over time, that battery will die, and after you give it a proper funeral, you'll have to change it. The same is true with your iPOD. Eventually, you will have to replace the iPOD battery. You can either change the iPOD battery itself or purchase a new iPOD Nano . But, because your iPOD battery is a lithium-ion beast, you won't need to worry about that for a while!