What Are VRLA Batteries? A Complete Guide to Valve Regulated Lead-Acid Batteries
VRLA batteries, or Valve Regulated Lead-Acid batteries , are widely used in backup power systems, UPS systems, solar setups, and telecommunications. Their sealed, maintenance-free design makes them one of the most reliable energy storage options in homes, businesses, and industries across Pakistan and beyond. What Is a VRLA Battery? A VRLA battery is a type of lead-acid rechargeable battery that is sealed and does not require water refilling or regular maintenance. The term "valve regulated" means that the battery is designed to release gas through built-in safety valves only when internal pressure becomes too high. There are two main types of VRLA batteries: AGM (Absorbent Glass Mat) GEL (Gel Electrolyte) Types of VRLA Batteries 1. AGM Batteries (Absorbent Glass Mat) Electrolyte absorbed in a fiberglass mat High power output Common in UPS, emergency lighting, and solar systems Performs well under heavy load 2. GEL Batteries Electrolyte is mix...