What is the difference between 5 battery box battery and 18650 battery box battery?
Release time:
2022-07-28
18650 means 18mm in diameter and 650mm long. The number 5 battery is 14500, with a diameter of 14mm and a length of 500mm. Generally, 18650 batteries are used more in industry, but few in civilian use, and the common ones are used more in notebook batteries and high-end flashlight. The 18650 is only the size and model of the battery. According to the type of battery, it can be divided into lithium ion 18650, lithium iron phosphate 18650, and nickel-hydrogen 18650 (rare). The current common 18650 is lithium ion.
18650 means 18mm in diameter and 650mm long. The number 5 battery is 14500, with a diameter of 14mm and a length of 500mm. Generally, 18650 batteries are used more in industry, but few in civilian use, and the common ones are used more in notebook batteries and high-end flashlight. The 18650 is only the size and model of the battery. According to the type of battery, it can be divided into lithium ion 18650, lithium iron phosphate 18650, and nickel-hydrogen 18650 (rare). The current common 18650 is lithium ion.
We all know that 18650 lithium battery and No. 5 battery are cylindrical batteries, and these two batteries are essentially different in capacity and material.
From the shape analysis: these two kinds of batteries are cylindrical batteries, but the shape of the specifications are not the same. The specification of 18650 lithium battery is 18mm in diameter and 65mm in length. The rule for battery 5 (in fact, the scientific name of battery 5 is 14500 battery) is 14mm in diameter and 50mm in length.
From the type analysis: 18650 lithium batteries can be divided into 18650 lithium ion batteries, 18650 lithium iron phosphate batteries, 18650 nickel-hydrogen batteries; and No. 5 batteries have nickel-hydrogen rechargeable batteries, nickel-cadmium rechargeable batteries, and alkaline zinc-manganese batteries (Referred to as "alkaline batteries"), ordinary acid zinc-manganese batteries (referred to as "ordinary batteries"), etc.
From the application analysis: 18650 lithium battery is mostly used in industry, civil use is relatively small, generally only in the use of notebook batteries and high-grade flashlight batteries; and the 5th battery is basically a civilian battery, mostly used in small electrical appliances and digital products, of course, there are a small amount of use in industry.
Of course, the trend of using 18650 batteries in strong light flashlights is getting bigger and bigger. 18650 lithium batteries have been recognized by users because of their good user experience. No.5 batteries are generally removable in strong light flashlights, which is generally more convenient, but the use time is shorter than that of 18650 lithium batteries, of course, provided that the capacity of the battery.
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