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  1. battman

    Lithium and Nickel Metal Hydride

    Lithium ion is a 3.6 V system while NiMH is a 1.5 V system (compatible with alkaline batteries). If you have a high energy application, then Li-Ion is the way to go. With regard to charging and cycle life, NiMH can generally be charged faster and will have longer cycle life than Li-Ion. State...
  2. battman

    BATTERY-CAPACITOR HYBRIDS

    Does anyone have an opinion on the benefits and drawbacks of battery-capacitor hybrids for portable power applications.
  3. battman

    Fire rated exterior (sheer rated) sheeting.

    I am working on a design of a hotel, that requires a one hour fire rating along with shear value (not yet determined) to install beneath Vinyl Siding. Drywall is out of the question because it loses it's shear value when wet. Any Suggestions? - Thanks in advance, Randy

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