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auto-switching. upgrade

  1. EVSE Upgrade's new 120/240 auto-switching upgrade!

    Chevy Volt Accessories and Modifications
    Mark at "EVSE Upgrade" seems to think that the 240V only upgrade is more popular than a 120/240v auto-switching upgrade. I can't believe I decided to see if he is right. Specifically, which portable EVSE option would you PREFER, 120V only, or 240V only, or 120/240V auto-switching. It...