Per the same website, the Arc 1xAAA Premium has a throw of 53 Lux and an overall output of 520 using alkaline batteries. The Gerber has a throw of 22 Lux at beam center and overall output of 212 using alkaline batteries. The Arc also hits 50% at ~5 hours.

The Peak Matterhorn is a very good light too, I keep one in my Mission Wallet.

Comparisons: HERE.
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Better is the Enemy of Good Enough.
Okay, what’s your point??