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Schumacher came highly recommended and has proven to be a valuable addition to my workshop. Works great on my boat and ATV batteries.
I have several power inverters and have owned several power stations. So far this one is very impressive.
I purchased this unit as an alternative to the GM battery maintainer for my Corvette which is not a daily driver. The SP3 came with the proper style connectors and several others. The unit is easy to use, just plug it into the car and the AC wall connector and it cycles up and does its job. The digital display and indicator lights are excellent and easy to read.

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