Guest ackerun Posted December 10, 2011 Report Posted December 10, 2011 Do you know what the difference between the UR18650WX and UR18650W2 is? I'm wondering if my batteries ever go bad if I can steal the cells out of a B&D 20 max battery for cheaper.
kanxrus Posted December 15, 2011 Author Report Posted December 15, 2011 and this... **Abundant variety of models meet wide variety of uses(UR18650 series) >F: High capacity with steady operating voltage model. >E: High current model for power applications. >Y and A: Cost performance and improved standard model by optimization of material. : Cost performance and robust model by optimization of material. >SA and W: Excellent power model for power tools by optimization of material and structure. >U: Long storage life and high current model. >ZT: Neo hybrid positive electrode enables higher charging voltage, which realizes further high capacity model. so I'm guessing these SAX batteries are already putting 20A draws continuous. Although, now that I think about it, what would those ZT batteries do for the longevity of the flash light that use this batt. Pack? From what I have noticed, my flash light dies faster than my drill... well, I work in dark places and use the flash light mostly continuously... i'm guessing the flashlight does not need high power but more of high capacity batteries. what if I upgrade one pack with ZTs for the flashlight and A123 APR18650M1 for the drill?
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