They sure are! I wouldn't take them scuba diving, but they'll handle any muddy, sloppy, wet trails and driving rain you drag them through, no problem.
Plug a USB power bank into the light from the start of the ride and it will charge while you go, giving you much more runtime when you need it, read on for more specific details.
You mean if you have an off-season, eh? Just top off the charge and keep them indoors, easy enough!
Entirely depends on your USB charger's specifications... (read more)
The answer, like anything, is: yes, but there are compromises...I'll explain...
Short answer: for now, only if your eBike has a USB output...
Yep! There is no way to mis-charge your light, more detail here...
Short answer: yes, some faster than others, more detail here...
TLDR: if it has a USB output, you can pass-thru charge, more detail below...
They do not for a multitude of reasons, read more here...
Nope, all LED lights produce heat, we have thermal safety controls, how hot it gets just depends on how you're using it, I'll explain...
Yes! The only flight restrictions are for UNprotected Li-Ion cells, and all our products have protection circuits, so you can bring all our lights in checked bags or carry-ons with no restrictions.
Keep 'em charged and indoors when not in use, simply put. More specifics below...