Customer’s impression:
OK Good Battery Good 18650 batteries. Unexploded Somewhat reliable
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  • I like these UltraFire batterys

    posted by thunder1313 on 11/24/2011

    Involvement:Expert (understands the inner workings) - Ownership:more than 1 month


    Very long lasting. They fit my flashlights very well. Protection card at bottom of cell works very well keeps from over charging and low voltage from ruining the cell. Great product well constructed.


    None so far, they are just great, work very well. Best ones for the money that I have found so far.


    Seems to last as long as the sku 20392 red and black batterys at about $1.25 USD per cell less cost.I have had no problems with any of them so far. Color is a bit drab (grey)but who sees them inside the light anyway. I have used in both of my flashlights for more than one hour on high beam.


    I like these lithium-ion cells very much. I will buy more. I highly recomend these to flashlight users or anyone needing a long lasting battery.

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