There seems to be a myth going around that you must purchase your laptop power supply from the same company that manufactured your laptop or notebook computer. In most cases, this may be the most expensive way to go about replacing your laptops external power source.

When buying a laptop, often the power source is the last thing you think of as an extra accessory or something that may need replaced. Like anything not attached to the laptop, cords, external mouse, power supplies are easy to lose and its impossible to operate your laptop without one.

Purchasing the correct replacement power source can be a daunting task. With so many online retailers offering different models, wattage, and options, it is hard to know where to start. However, remembering that you can purchase your replacement power supply online is the first step to saving money. Not only can you likely find them cheaper online, but you may also find a universal laptop power supply. A universal laptop power supply can be used for many other mobile items as well. Wouldn’t it be nice to use one power supply for you MP3 player, PDA, mobile phone, or other mobile devices?

Depending on which type or model of laptop you own, purchasing a replacement power source can be done online. For obvious reasons, it is often impossible for a traditional local brick and mortar store to carry all possible combination of power supplies, making it another good choice for an online purchase. Usually, a laptop owner’s first choice or idea is to go directly to the manufacturer’s website to purchase their replacement parts. This is not always their only choice and may not be the best decision.

For obvious reasons, it is always a good idea to have a backup AC source power supply for your mobile devices, especially your laptop. No one likes to be in the middle of an important project on his or her laptop and have his or her power supply stop functioning. Not only is it a good idea to know you options when this happens, but having a spare backup is a great way to avoid such situations.