the cells were fully charged,it ran for 1 hr and 10 mins at full out put to the eye.when it started to dim it was fast.i was watching the light when it happend.i have to say i love this light. i got it at bigfive for $30 on sell.with beingable to run for an hr. on rechargeables you can't go worng. i have read that the powerizer batts. are not that good so if their are better ones out their then i would like to know.but with a led they work well.add i did put a t-bin in it the other day ,much brighter now then the led it came with. i couldn't read the bin on the stock one,because it came of when i broke the led free.
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