Coin lights with two new 2016's are in general a bit brighter than an Arc AAA. After 15 minutes or so they're no longer brighter, but they are still usable for several hours.
I think the default mode of the Freedom, where you just click once for constant-on, is pretty scary, since it can get turned on easily in your pocket and kill its batteries. Putting it into signalling mode to prevent that isn't a good solution because then you need a multi-click sequence to get constant-on. I put a mild rant on the photonlight.com forum suggesting that they put a timeout into the controller, so the light shuts itself off after 5 minutes or so of constant-on. Some variations on this are possible, like double-clicking to cancel the timeout; dimming to half power instead of shutting off after 5 minutes and then shutting off a few minutes later, etc.
I've been a afraid to buy a Freedom because of this issue. The Photon II can turn on in your pocket, but only momentarily, if something presses against it. Getting stuck constant-on would require snagging the little slide switch on something, which seems very hard to do.
I think the default mode of the Freedom, where you just click once for constant-on, is pretty scary, since it can get turned on easily in your pocket and kill its batteries. Putting it into signalling mode to prevent that isn't a good solution because then you need a multi-click sequence to get constant-on. I put a mild rant on the photonlight.com forum suggesting that they put a timeout into the controller, so the light shuts itself off after 5 minutes or so of constant-on. Some variations on this are possible, like double-clicking to cancel the timeout; dimming to half power instead of shutting off after 5 minutes and then shutting off a few minutes later, etc.
I've been a afraid to buy a Freedom because of this issue. The Photon II can turn on in your pocket, but only momentarily, if something presses against it. Getting stuck constant-on would require snagging the little slide switch on something, which seems very hard to do.