So then a 35ah battery would last a couple nights? (1.3 amps x 8 hours = 10.4 amps used per night?)

So would this battery below last me at least one night? I don't have a heated tube, won't use the humidifier, and will turn it on airplane mode. Plus, I can recharge it daily. I just want to make certain it'll last a full night before I buy. BiXPower 159 Watt-hour (Wh) Super High Capacity Rechargeab...

I'm taking a trip to Canada this June. Last year I was able to stay in the main cabin and had access to electricity. This year, I'm in a cabin with no outlets. I will be able to charge a battery during the day, however. I have an airsense 10 autoset. It averages a pressure of 15-17 (high I know). I'...