Fireflylite QT Magnetic USB-C charging Box

I was excited upon arrival, took forever and the tracking didn't really work till after it was delivered.

I successfully charged a few cells of various sizes from 14500 to 18350 and even a 26800, but I never noticed that the magnets have a polarity until I left a 26650 on it reversed and it killed that battery and luckily didn't burn down my house after getting noticeably hot. Would be nice if it had reversible usbc in and out or pd

First, the 2A charge rate is fine for most batteries but, I have some 14500's that are really too small for the 2C rate of charger (2A @ ~1100mah) in my travel flashlights. Most of them don't have built-in charging either. Many of my 18650 and 21700 flashlights have built-in charging so, this charger really doesn't benefit them. That leaves me with some mixed feelings about the usefulness of this charger.

That being said, it is really good for leaving a dead cell on it while I am away from my car or motel room, knowing it will be fully charged when I return. If I have a spare cell, that means I always have a fully charged one to swap in and my flashlight is never left sitting on a USB charger. Its small size and light weight means it is generally available when needed away from home and means I never end up with a dead flashlight!

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