I don't see a gauge, how do you know how charged it is?
By: Ron Alexander on 1/28/2020
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Answers
For that you need to add a compressor system. Here are a couple of options
WirelessOne - https://www.sharptruck.com/airlift-wirelessone
or the
WirelessAir - https://www.sharptruck.com/airlift-wirelessair