USB Type A Power Supply Cable: Power for your LEDs

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Use a USB Cable to Power your LEDs. This is a convenient way to power your LEDs. Choose from 3 Volt or 5 Volt USB adapters. Simply plug into any: USB Power Hub USB Portable Charger USB Power Bank 3 Volt: Runs up to 25 of our 3 Volt LEDs. USB uses 5 Volts, so our 3 Volt USB adapter uses a small voltage regulator to bring the voltage down to 3 Volts. 5 Volt: Runs up to 75 of our 5-12 Volt LEDs, depending on the Amps of the power source you are using. A modern smart phone fast charger, either wall plug, or portable power bank, will be able to run 75 LEDs. Slower chargers will run less, with a rule of thumb of 50 LEDs per 1 Amp of power. This USB connector has a red wire and a black wire. All of our LEDs have a red wire and either a black or green wire. To connect, twist the red to red, and black to black/green. "How long will the LEDs run between charges?" It depends on the capacity of your power supply. A portable charger that charges your cell phone would power 10 LEDs for 150-400 hours. Show more