What is AA battery? What is the size of the AA battery?

No. 2 battery size: height 49.5mm, diameter 25.3mm.

No. 1 and No. 2 batteries are also called Type C batteries. No. 2 batteries are a bit smaller than No. 1 batteries, and are mostly used in flashlights and audio-visual equipment. In the past, the AA battery was generally used in the metal movement of a regular quartz wall clock, or an analog multimeter, a small flashlight, and a small radio.

2. The composition of dry batteries and rechargeable batteries: zinc skin, carbon rods, mercury, sulfates, copper caps; batteries are mainly lead compounds. The battery components of mobile phones are generally nickel-metal hydride and lithium ion. Nanfu’s battery components are nickel-metal hydride. The battery components include lead-acid, lead crystal, iron-nickel, and silver-zinc batteries.

3. Batteries mainly include solar cells, chemical energy batteries, thermoelectric batteries, fuel cells, and atomic batteries. Among them, chemical energy batteries can be divided into voltaic batteries, accumulators, thousand batteries, alkaline batteries, and micro batteries. There are accumulators, dry batteries and alkaline batteries, dry batteries and accumulators.

Mottcell Battery mainly focuses on the production, R&D and manufacturing of lithium iron phosphate batteries. The main products are lithium-ion batteries, lithium iron phosphate batteries, 14500 lifepo4 battery, 18650 lifepo4 batteries, 12v lifepo4 batteries, 24v lifepo4 batteries, 36V lifepo4 Battery, 48v lifepo4 batteries, energy storage lithium batteries,including photovoltaic lithium batteries, UPS lifepo4 batteries, telecom backup power lifepo4 batteries,Golfcart Lifepo4 Battery etc.Mottcell serves many well-known brands in the industry.