Battery Jump Starter - A flat battery is a very common problem. It might happen due to extreme cold or by accidentally leaving the lights on in the car overnight. It can be quite troublesome to be left stranded on the road, in the dark, or in some remote area. They are very handy devices that is a must for every car owner. Never again will you be left helpless due to battery problems.
The most important thing about them is that they can recharge a battery, after which you can then start your car. The rest of the job is done by the car's generator. Once the ignition is on, the car will then fully charge the battery. Some types of jump starters work only if the battery is not totally flat. If it has even a little bit of spark left, it can be recharged. However, if it is totally discharged, then it can't start it.
You must keep the jumper cables in your car because the unit is connected to the car battery with the help of these cables. These comprise of two cables with crocodile clips on each end of the cables. Join the positive ends of the car battery and the unit and then join the negative ends of the two. The car battery is now ready to be recharged. Remember that you have to be careful about joining the right ends of the cables, otherwise it might cause a spark. You can also take the help of another car to help starting your car. Just join the cables in a similar manner.
The portable battery starter unit is a very convenient device. It can start a battery if it has even a little bit of power left in it. These are small packs that have enough power to jump start a flat battery, but they get discharged if left for too long. They can be charged form any normal socket in your house, so keep charging them regularly or you may find yourself with a dead jump starter when you need one.
Some types jump starters come with air compressors to help tires, basketballs etc. Some also have a LED that can help you see in the dark if you want to recharge your battery. You can also use them in the house during a power cut. With a 12 volt battery, these jump starters can jump most cars and are a very useful tool.