Recent content by ZebraLight

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  1. Z

    Zebralight moving production from China to Dallas?

    We'll move to a new location in Las Colinas next week. The new manufacturing facility will house cutting edge 5-axis machining centers, robots, etc., and above all, a manufacturing system based on a concept we believe that's move advanced than today's robot cells or FMS.
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    Zebralight S6330 and S6330b 2400 Lumen flashlights in the making. .

    Batteries in the TK75 or TMxx are connected in parallel, but they are not packs, because the connections between the batteries are not spot welded. A drop of the flashlight could potentially disconnect some of the connections and leaving only one battery there trying to power all three LEDs...
  3. Z

    Zebralight H51 - No Difference Between H1 and H2

    Try it with a new, freshly charged Eneloop.
  4. Z

    ZebraLight SC62

    Yes, the xpg2 and rebels.
  5. Z

    Zebralight SC600 & SC600W discussion part 2

    That's correct. All SC600 and SC600w, except several dozens from the first batch, have a turbo mode timer of 5min. We later added an 'auto step down' feature to the SC600/SC600w that will step-down output levels based on the estimated remaining battery capacity.
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    ZebraLight SC600

    We might be able to get some (very limited quantity) neutral white XM-L's with the EXACT tint as the XP-Gs used in other 'w' lights.
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    ZebraLight H502 XM-L

    It's somewhere inbetween the 501 and 51.
  8. Z

    Battery considerations - Zebralight SC600

    Re: ZebraLight SC600 Most Li-ion batteries since early 90's (including the Panasonic CGRs) have Cobalt based positive electrodes. However, the Panasonic NCRs use a Nickel based positive electrode. NCR batteries get this higher capacity from higher energy density AND lower discharge voltage...
  9. Z

    Battery considerations - Zebralight SC600

    Re: ZebraLight SC600 Yes.
  10. Z

    Zebralight SC80

    2 weeks.
  11. Z

    Battery considerations - Zebralight SC600

    Re: ZebraLight SC600 http://www.panasonic.com/industrial/batteries-oem/oem/lithium-ion.aspx Small capacity (old) ones are speced at 3V cut-off. Newer ones such as the NCR18650 (2900, in production since 2006) have a 2.5V cut-off.
  12. Z

    Battery considerations - Zebralight SC600

    Re: ZebraLight SC600 Right before AND during the light is ON, the driver measures and calculates the voltage and capacity. If the results cross certain thresholds in a list, then it steps down to a lower (user selected) levels. The capacity gauging is not a traditional coulomb counter based...
  13. Z

    Zebralight SC80

    Re: ZEBRA SC80 Well, we didn't do any runtimes with these cells, but the voltages are supported. The SC80 driver is our first try to design a circuit that can run both 1.5V and 3V primaries. What we have achieved is that its 1.5V performance matches the SC51/H51, and in the same time its 3V...
  14. Z

    Zebralight SC80

    and much heavier.
  15. Z

    Battery considerations - Zebralight SC600

    Re: ZebraLight SC600 Cell manufacturers recommended a higher cut-off (around 2.75V) for their low capacity 18650's 3-5 years ago. Cells such as the Panasonic NCR18650 (2900 or 3100) have a 2.5V cut-off in their specs.
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