Arterra 0318.1454 WF-8955-PEC 30 Amp Power Converter/Charger Quiet operation is assured as the cooling fan runs only when required by the electric load Fully insulated DC connections are made for protection with an open-top design for ease of use for fast and nearly effortless installation Model: WF-8955PEC Output: 55 Amps DC Input: 105-130 VAC, 60 Hz, 940W