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Most nights we have on USB charge some combination of:
- Phone
- Girlfriend's phone
- Kindle
- iPad
- Nexus 7
- GoPro
- MP3 player
It's already a mess of cables.
What I want are higher capacity batteries that last longer (get charged less frequently) and that I can swap out for spares. What I want are batteries that charge faster and can discharge faster (higher voltage) so that the lights are bright.
That exists today, they're called CR123 batteries. They charge fast, hold a ton of charge, and can power really bright lights (my torch uses one and goes to 500 lumens).
So yeah... USB charge can >>>>>>>>>>>>>>
I liked the Moon for brightness and cheapness, but when I can afford to I'll go back to Exposure for battery support + brightness.
- Phone
That was my real concern. That and USB charging. I prefer the Exposure's for their nice big batteries that I can charge normally or in the worst case scenario pop into a shop for.