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How to Size a Lithium Battery Bank for Touring
Ask ten people how to size a lithium battery bank for touring and you’ll get ten different answers, most of them a guess dressed up as advice. “Just get a 200Ah” is the kind of thing that gets repeated around a campfire, but it ignores the one thing that actually determines the right size: how much power you’re using in a day. Get the sizing wrong in one direction and you’re carrying weight and cost you didn’t need. Get it wrong the other way and you’re rationing torch batteries by day three because the fridge ate through everything overnight. The good news is that sizing a battery bank properly isn’t complicated — it just needs to start in the right place.