Use it regularly. The 2.1a USB output charges our phones much faster than the car's built-in USB port also, and it functions even when the switch is off (no fan running, no noise). We use the outlet to power a DVD player and it works great.
I use this to power a Sangean Table Radio from my Jump Starter during a power failure as I like listening to the news reports. Just the right amount of power required and runs quiet (no fan noise). I would recommend this to any one. Nice and compact. Easy to use. Dependable product!
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