WISP-150-USB 150W Power Inverter DC 12V to AC 220V with USB socket. Output frequency of 50MHz and a surge capability of 450W with efficiency of 90%. This unit is fully protected against over voltage and short circuit as well as reverse polarity and accidental connection to a 24V battery. It will also sound a progressive warning tone if the battery volts begin to get low. The unit is terminated in a standard UK 3-pin mains socket. When on standby the current is 210mA
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