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.

Products

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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