SIP Startmaster Pro PW520 Starter Charger The SIP Startmaster Pro PW520 is a professional battery starter ideal for workshops and garages with 3 powerful charge settings built-in reverse polarity protection and heavy-duty Italian design 230v 13amp input supply 12v24v dual charge voltage 260amp maximum boost rate 42amp max rated charge output 200Ah maximum battery capacity 3 powerful charging rate settings Clear and easy-to-read ammeter Short circuitoverload protections Built-in reverse polarity protection Ideal for workshops and garages Wheel-mounted for movement Premium Italian design SIP are machinery specialists with our catalogue featuring welding metalwork air compressors and tools battery chargers lifting heating power woodworking and cleaning equipment