LIBERTY ® Series 1000

Valve-Regulated Lead-Calcium Battery
For standby applications Unit capacity from 25 to 600 Ampere-hours

SPECIFICATIONS

Electrolyte at 77F (25C): 1.300 specific gravity nominal sulfuric acid
System float voltages:
2.25 - 2.27 Volts per cell
Life expectancy: 10 years, full float service at 77F (25C)
Container and cover: High-impact, flame-retardant PVC Flammability ratings: UL 94-VO; ASTM D-635, self extinguishing Oxygen index > 32
Safety vent system
Low-pressure release valve with flash arrester

Note: AC Ripple current from the charger shall not exceed 5 percent of the 8-hour (ampere-hour) rating of the battery.

FEATURES AND BENEFITS

Patented post seal design with secondary epoxy seal to increase integrity

  • Leak-free operation
  • Superior reliability

Two-fold vent system

  • Low-pressure safety valve with flash arrester
  • Minimizes bulging
  • Prevents flashback explosion from external ignition source

Thick radial grid design for both positive and negative plates

  • Improves current carrying capacity and performance
  • Long float life

Immobilized electrolyte technology

  • Absorbent glass mat design (AGM)
  • Safe handling and storage

Advanced, computer-controlled thermal cover-to-jar weld

  • Greater reliability and consistency

PVC container and cover

  • Provides excellent water vapor retention, preventing dry out
  • Prevents oxygen infiltration
  • High-impact resistance

Through-the-partition intercell connection

  • Shortens current paths
  • Increases performance

Copper-to-copper connections

  • Minimize resistance drop, especially at high rates
  • Reduce need for retorquing connections

Measurable quality and outstanding performance

  • 100 percent of cells tested for conductance voltage and capacity
  • Tested in accordance with Bellcore TR-NWT-000766 specifications
  • 100 percent of cells tested to 95 percent capacity at the 8-hour rate to 1.75 Vpc.

Automated, state-of-the-art, cast-on strap process

  • Ensures consistent, high-quality, low electrical - resistance welds