It depends on the type and quantity of battery(s) you have. Batteries are dealer installed, usually one or two.
Even if you have only one battery, you are good for a couple days use if you don't go crazy using power. Keep in mind, your unit will draw current even when it is in storage unless you disconnect the battery(s). The battery cut off switch does not kill all loads. If you do not have shore power in storage and you do not disconnect the battery(s), you will return to find them dead.
The hydraulic issue is normal. Mine did it a couple days ago when I was trying to run my jacks when it was 25 degrees. I have the 80A breaker and it still tripped.
Welcome to the forum and congratulations on your new Montana. We have a similar floor plan, but the 2017 version.
When you get a moment, fill in some details on your signature; that will help out when you ask questions.
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Scott & Alta
2017 Montana 3160RL, Legacy, Onan 5.5Kw, Solar
2022 F-450 Lariat Ultimate
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