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Any Flashlight Nerds (besides me)...Batt Question?

galaxy

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What do you guys think about SureFire's SF18650B rechargeable battery? Mainly, what's the performance on it? Good run time? It seems to have a longer run time than two 123's and higher lumens, in a given light. So that seems cool, but my concern would be the idle time. How do they hold up when sitting idle? How long/how often would you need to maintain the charge? I know SureFire brand 123's can sit idle for what seems like forever with very little to no bleed down. Any thoughts?

Was thinking about going this route in a light to get the extra power, but don't know if the tradeoff would be worth it if I have to remove it and recharge it (or make sure it's topped off) every two months (or whatever the case would be).
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