No. 5 Battery is one of the most popular batteries, in higher power consumption products are generally alkaline No. 5 battery. This kind of battery is convenient to use, the price is suitable, is like the toothpaste, the water, is one kind of daily necessities. If you're going out to play, you can almost always find a AA battery anywhere.
Many people don't know if they can charge an alkaline battery. Many people are up to think also do not want to, directly on the charge, this is more dangerous. Probably many people who charge alkaline batteries may find it OK to charge them 20-30 times. But according to the chemical reaction mechanism, the charge of electricity will not remain for long, charging effect is not too good, discharge current is small, if not used, about 7 days, the charge of electricity on the release, to charge and use only; And if forced charge or repeated charge, may make the battery internal gas, very easy to explode, the general precursor is the sound of gas extrusion. In general, it is recommended that you buy rechargeable batteries such as nickel-cadmium and nickel-cadmium batteries, which generally have a capacity of 100-2500 mah, but have a low rated voltage (1.2-1.25 V) . It is said that foreign special charge alkaline battery, not marked alkaline battery can not be charged at will, Safety First!