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.
** Usage guidance: **
Do not leave discharged - Ensure you achieve the design life of your lead acid battery by maintaining charge in the battery when not in use
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