1. Check Voltage Please find the spec label of your device and check the working voltage. It should be among 3V~24V DC, not lower than 3V or higher than 24V DC. Otherwise, your device will not work or be damaged.
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2. Check Current Check the max current your device will draw. It should be equal to or less than 2A, such as 500mA, 1A, 1.2A,1.5A, 1.8A, 2A. Otherwise, your device won’t work well and the PS will be damaged very soon.
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3. Check Plugs Check the power input port of your device. The PS is equipped with 14 pcs frequently-used DC tips. Please confirm wether it fits for your device before buy. If you can 't confirm, please measure it with a ruler.
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4. Check Original PS If you have a original power supply for reference, their output voltage, plug size, polarity should be the same . If our PS’s current is equal to or higher than original one’s, then our PS will work with your device.
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