Originally Posted by
SB01
Whilst my dynamo lights aren't super bright (B&M) - surely lights powered of a couple of AA batteries can't be very bright can they? E.g. unlit country lanes?
Originally Posted by
Koyote
So, the Ixon IQ is your recommendation for a AA battery-powered light? Is it bright enough for riding in the country at night?
I have the Ixon IQ Premium (the battery powered one), and i used it for a long time (it is now unused in a shelf due to the fact that i have more expensive much better lightning toys now, but i am still happy with my (dyno powered) Cyo Premium for city use, which has the same reflector and LED and identical output)
At this time of writing, the beam shape is still nice, but it is woefully underpowered. Also the 80 lux is only available on a small area, the rest of the beam is notabely darker. It is still sufficient though in case of
dry, totally unlit roads, if there is
no oncoming traffic. Then your eyes can easily adapt to the low light output and you have a nice beam shape. The definitive advantage of that light is: you can really easy swap the AA cells on the road. Here is a nice video of the IQ Premium: youtu.be/WwM7vDvvGhU
The mentioned SON Edelux II uses the same reflector as the IQ Premium, albeit a better LED binning and has better cooling, so runs on a bit higher power.
A newer dyno light like the B&M IQ-X beats the IQ Premium easily, those 100 lx are spread out much wider than the 80 lux from the IQ Premium. On Lux Values
see here
Originally Posted by
Koyote
Ahh, that is good to know. Hmm.
Originally Posted by
kingston
I don't know if that's normal. Most of my training has been early morning in the dark with those battery powered lights so they get used almost every day rain or shine, and my training bikes don't have fenders. I think it's the water and vibration that eventually kills them. I have the same issue with every headset I've tried except for CK[...]
Another tip is to get a bunch of eneloop rechargeables and a smart charger.
Probably B&M never intended them to use with the fork mount with out mudgards/fenders. so i'd say kingstons observations are not representative
.
I agree to get proper eneloop rechargeables to avoid high self discharge of standard NiMH cells.