Returned to southern CA this Wed. My Ambu has been setting for six months, with no external power. I turned the key on and waited for the "wait to start" light to go out. Then hit the start button. Battery sounded STRONG and turned the engine over for approx 4 seconds and started running. My unit has two 12 volt batts hooked up in parallel and has two alternators. After starting the charge rate was 26amps. After running for a few minutes the rate dropped to 17`amps and then 11 amps. Happy with this.
My tires were ALL down about 20psi from the 80psi when I left the area in early May.
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