Compaq R6000 - Manual (Page 107)

Specifications C-5
Battery Specifications
Table C-4
Battery Specifications
Feature Specification
Type Sealed lead-acid; maintenance-free
Voltage Internal batteries - 12 VDC each, 360 VDC total
Charging 24 hours to full charge
4 hours to 90% capacity at default nominal utility
voltage and no load
Battery Runtime
Table C-5
Load Effect on Backup Time
Load % Estimated Backup Time
100 Greater than 6 minutes
80 Greater than 8 minutes
50 Greater than 15 minutes
80% plus 1 ERM Greater than 18 minutes
80% plus 2 ERMs Greater than 30 minutes