What is the difference between AA battery and AA battery

The No. 7 battery has a cylindrical shape with a height of 43.6 mm and a diameter of 10.1 mm. It is a common battery, smaller than AA batteries. It is often used in electronic products with small size and low power consumption, such as MP3 players, small remote controls, etc. There are both disposable alkaline batteries and rechargeable nickel-metal hydride and lithium-ion batteries. The general size of AA battery is 14mm in diameter and 49mm in height. Because of its small size and moderate capacity, it is widely used in many small electrical appliances and digital products. AA batteries are longer and thicker than AA batteries. Generally speaking, AA batteries are used in remote controls of home appliances, and AA batteries are used in cameras, shavers, and wall clocks. The battery models used in toys are more complicated, it is best to confirm the original battery type before buying. A battery refers to a device that converts chemical energy into electrical energy through the reaction between the positive and negative electrodes. Primary battery: refers to a battery that cannot be charged but can only be discharged, but the capacity of the primary battery is generally greater than that of the same specifications of rechargeable batteries, such as zinc manganese, alkaline Dry batteries, lithium-ion button batteries, lithium-ion sub-batteries, etc. Different types of batteries cannot be used together. Welding on different types of batteries requires the use of connecting pieces for welding. Don't burn or disassemble the battery. The chemicals in it are corrosive and can harm your skin and eyes. Don't come into contact with acid gas, and avoid getting close to fire. Remember to store the battery in a cool, ventilated and dry environment with a temperature not higher than 45°C. Warm reminder: Purchase battery products with national inspection-free and Chinese famous brand marks and local brand-name battery products, and the quality of these products is guaranteed. According to the requirements of electrical appliances, select the applicable battery type and size, and according to the size and characteristics of electrical power consumption, purchase batteries suitable for electrical appliances. Disclaimer: Some pictures and content of articles published on this site are from the Internet. If there is any infringement, please contact to delete. Previous: For electric vehicle users, how should lead-acid batteries and lithium-ion batteries choose?