Technology: Lead-Acid Battery
There are two general types of lead-acid batteries: closed and sealed designs. In closed lead-acid batteries, the electrolyte consists of water-diluted sulphuric acid.
The main types of lead-acid solar batteries are Flooded Valve Regulated Lead Acid Batteries (VRLAB), Gelled Electrolyte Lead Acid Batteries (GEL), an d Advanced Glass Mat Valve Regulated Sealed Lead Acid Batteries (AGM or VRSLAB).
Flooded lead acid batteries are known for their durability and ability to handle deep discharges, making them suitable for off-grid solar systems. Sealed lead acid batteries, or SLA batteries, are maintenance-free batteries that do not require the user to check or refill electrolyte levels.
Lead-acid solar batteries store energy through chemical reactions between lead, water, and sulfuric acid. These reactions convert stored chemical energy into electrical energy, enabling the batteries to power devices or store excess energy from solar panels.
Profound discharge limitation: Lead acid batteries should not be discharged below a specific voltage to prevent damage and reduce lifespan. Maintenance: Lead acid batteries require regular maintenance, including checking and replenishing the electrolyte levels, cleaning the terminals, and ensuring proper ventilation.
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