Description
The Mesa OPzS is a range of lead selenium tubular plate lead-acid batteries in cell and block format (conforming to DIN 40736 (1) for the cells and 40737-3 and 40744 for the blocks). They are ideal for use in the broadest range of stationary DC power supply installations. The combination of lead-selenium alloy with tubular plate construction creates the longest service life lead alloy battery in the world. The OPzS has a 20-year float life, and is rated for more than 1,500 deep discharge cycles to 80% DoD.
Applications
- Utility switchgear
- Telecommunications
- UPS units
- Power plants & substations
- Process control
- Emergency backup power
Specifications
- Float Voltage: 2.23 to 2.25 VPC
- Equalize Voltage: 2.35 to 2.40 VPC
- Specific Gravity: 1.240 kg/L @ 77°F
- Styrene Acrylonitrile (SAN) jar & cover
- Flame retardant UL VO 94 available upon special order
For more information or to request a quote contact us using the form below.
The OPzS was previously marketed as the Alcad TLSe, Alcad TLSe Block, Saft Eternacell TLSe, and Saft Eternacell TLSe Block.





