Where is the production date of Fengfan battery?

[VanAlexa]

Fengfan battery production date is on the surface of the battery, consisting of a series of Arabic numerals and English letters. The functions of the battery are: 1. To supply power to the starting system, ignition system, and electronic fuel injection system when starting the engine; 2. To provide power to the car's electrical equipment when the engine is stopped or at low idle speed; 3. To participate in power supply when the power demand exceeds the generator's supply capacity; 4. To stabilize voltage and protect the electronic equipment on the car. The maintenance methods for the battery are: 1. Clean the battery regularly; 2. Reduce the use of electrical equipment when the engine is off; 3. Replace the battery regularly; 4. Start the car regularly.