PowerFilm Solar Inc

What are the differences between USB chargers?

The time to charge using USB depends strongly on the USB source. Typical, older generation USB charging blocks will put out 1A and take about 12 hours to charge the LightSaver Max. Many put out less than 1A and will take longer. New higher quality USB charging blocks will put out over 2A and charge the LightSaver Max in 6 to 8 hours.

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