Rechargeable batteries are those referred to as secondary batteries, this type of batteries allow be reused at the end of all the energy charge that they contain, so rechargeable batteries can be restored to their maximum characteristics of load capacity through a charger which restores the energy by means of a new electric power, therefore the rechargeable batteries have become the best option in terms of providing a storage medium energy, bearing in mind that this type of batteries allow you to have a load around the clock, as if charging is completed you can reload and thus saves us time because we must not be constantly going to the store to buy disposable, or primary batteries which only can be used once and just load just touches buy back other batteriesas you'll save money, bearing in mind that when you purchase some rechargeable batteries only will be held an expenditure initially, get rechargeable batteries and the charger of the same, in addition you can have them anywhere as well as be You can perform load, therefore the rechargeable batteries are the choice more comfortable that there is at the time of using batteries that save time and money. The variety of rechargeable batteries depends on the devices that will be used, so the batteries most common are those of category A (A, AA, AAA, AAAA), other less common would be the B, C, D, F, G, J and b., there are other models but are less trading as well as lower usage. When it comes to recharge the batteries is very important to place them in the correct place depending on the type of each battery charge - and confirm that it really is a rechargeable battery, otherwise it may happen that to treat a battery not rechargeable this may explode and therefore may damage the charger. regarding the rechargeable batteries charger is good to know the varied range that there is and this will become the best ally of the rechargeable batteries, such form can access high days charge Chargers that can go up to 8 hours or high speed Chargers which can meet their work at full speed to the allow the rechargeable batteries to restore its maximum capacity in just 15 minutes. With respect to the operation of the rechargeable batteries, the most recommendable is the first time that they will use carried a full load, taking into account that a common feature of all batteries is that although they are not in use they make energy consumption that contain, when making a charge different types of batteries should not be mixed, much less attempt to recharge alkaline or carbon batteries since being in contact with the charger could cause explosion, to perform a reload is more convenient to do it when the rechargeable batteries are completely discharged.