1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Battery packs

  1. Jul 12, 2007 #1
    can anyone suggest some ultra light 12V 3.5 AmpHour packs?? where can i get em??
    COST is not the issue, weight is
  2. jcsd
  3. Jul 12, 2007 #2


    User Avatar
    Science Advisor
    Homework Helper

    Lightest batteries for a given power are usually lithium.
    Where from depends on where you are.
  4. Jul 12, 2007 #3


    User Avatar

    Staff: Mentor

  5. Jul 13, 2007 #4


    User Avatar
    Homework Helper

    Li-Poly battteries are the lightest for the amount of energy stored. You'll need a special charger. Mis-charged, Li-Poly batteries will explode.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook