Own the set - nice that it is detachable as fits in my backpack.
Headlight charge lasts fairly long on first setting - seems twice drain for second setting.
Tailight seems more efficent, but was probably just fully charged (I was in a rush to use).
Recharger is nice idea - I am curious how long it will last though.
Overall pretty happy.
noticed they offer usb and solar chargers for 2010.