Valve regulated lead acid (VRLA)

Also known as Lead Acid and Sealed Lead Acid (SLA)

Remains a cost effective power solution for larger (over 2Ah) standby systems.

Although a mature technology, several product options have been developed to meet specific market demands (Front Access, Extra High Cyclic, Extra Long Life).

Available in cylindrical and monoblock formats.

Applications are : standby systems, telecoms backup, UPS, mobility products.

Technical - VRLA

The key features are:

• Secondary: rechargeable
• Operating voltage 2V per cell 
• Energy density 30-50 Wh/Kg and increasing
• Temperature range -20°C to 60°C
• Cycle life (full cycles) 200 - 500