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Title: Wouldn't camp without it.
Review: I bought one of these for my pop-up tent trailer 5 years ago. This and the accumulator I bought for my Shurflo waterpump (to keep it from cycling on/off all the time) were the two best things I ever did for that trailer. Keep in mind these work for light single-axle trailers. I simply park the trailer exactly where I want it, chock the high side, put the BAL on the low side, and between the BAL and my tongue jack, I'm levelled in 30 seconds. I carry the BAL while I'm travelling strapped to my tongue and leaning against my 2 propane tanks, and the long screw which has grease on it in a 1 gallon zip-lock in my tool kit. Very nice. No more lego blocks except under wildly unlevel conditions. Wouldn't camp without it.
