Dometic Battery-Powered Auxiliary Air Conditioning System - Manual (Page 9)

The following table provides simplified guidelines to meet these user profiles:
Day route – Cools the cab during a typical 15-30 minute wait and recharges in 20-30 minutes
Terminal – Cools the cab for up to 2 hours, recharges in 1 hour of run time
Day Route
Batteries 3 Group 31 AGM Replace existing lead-acid batteries with AGM batteries.
Alternator 270 amp high output Replace existing alternator on truck engine.
Inverter
2,000 Watt Modified Sine
Wave (MSW)
HVAC System 7,000 BTU/hr
All inside components are packaged in a molded plastic
shell.
Terminal Operation
Batteries 3 Group 31 AGM Replace existing lead-acid batteries with AGM batteries.
Alternator 270 amp high output Replace existing alternator on truck engine.
Inverter
2,000 Watt Modified Sine
Wave (MSW)
HVAC System 7,000 BTU/hr
All inside components are packaged in a molded plastic
shell.
Hours Running on Battery Power (Approximate)
7,000 BTU/hr
Number of Batteries 100% Run 60% Run
2 1.5 hours 2.25 hours
3 2.0 hours 3.0 hours
9