Camper Batteries?

Question

How long will a 130Ah battery with a 2.500 inverter run a freezer 0.7amps (150W) for, if battery fully charged?

Answer 1

This depends on how efficient your inverter is. Most modern ones are 90% efficient, some old ones are as bad as 50%. I'll do both best case and worst case scenarios: 165W and 300W. 165W @ 12V = 13.75A amd 300W @ 12V = 25A. So it looks like 9 and a half hours best case, worst case 5 hours 15 minutes.