A 12V car battery charger is a portable charging device which saves you from the embarrassment of a dead car battery merely because you forgot to switch off your car head lights or your battery was too old and low on maintenance. In either case, your battery died. To avoid any such mishaps, buy a 12V car battery charger as it saves you the money which you would have spent to call a mechanic and also the time wasted in waiting and wondering what to do.
Usually a car battery dies if the electrodes in the battery gets old or the water levels are not checked from time to time. During this process, the electro-chemical reactions happening inside the battery stops due to low maintenance or aging of the electrode plates and thus the battery starts losing power. This is where a 12V car battery charger comes in very handy so that every time your battery dies, you won’t be stranded with a dead car. A 12V car battery charger can either give a quick start to the engine or completely recharge the battery depending upon the gravity of the damage.
An alternative to using 12V car battery charger is jumper cables. You can very easily jump start your dead car battery by using jumper cables, but you will need to have another car with a good battery every time you want to start the engine.
There are many forms of 12V car battery chargers which come with various functionalities and properties. There are small 12V car battery chargers which are used only to jump start the dead batteries and the single mount smart chargers which recharge the battery completely. Some of them also come with the feature of an auto cut off where the 12V car battery charger stops charging the battery the moment it detects a full charge.
Always make sure that you buy your 12V car battery charger from a trusted company or a source as the chargers involve very delicate circuits and materials. Any kind of short circuit or damage to the charger can result in some major repercussions. Always make sure that the 12V car battery charger comes with a warranty.