Structure and working principle of VRLA battery
Valve-regulated sealed lead-acid (VRILA) battery is the most common battery used in solar street lamps. Its structure and working principle are introduced as follows. 1. Structure of VRLA battery The main components of VRLA battery are composed of positive plate, negative plate, separator, battery tank cover, sulfuric acid electrolyte, etc. (Figure 1). 2. The role …