product description DIY mobile power supply, 5V output for charging phones, MP3, MP4, PSP and so on specification: Input voltage: 6V-40V Output voltage: 5V Output current: 3A Switching frequency: 150KHZ Conversion efficiency: 92% Operating temperature: -40 to +85 degrees Celsius color: red Size: 59mm x 21mm x 17mm product information Package size 4 x 2.6 x 0.8 inches Product weight 0.32 ounces
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