iphone 4 battery specs? 3.7 or 4.2 volts?

Discussion in 'iPhone Tips, Help and Troubleshooting' started by campas12, May 14, 2012.

  1. campas12 macrumors newbie

    Joined:
    Oct 20, 2007
    #1
    So i purchased a replacement battery via ebay- and just noticed the specs state 1420MAh 4.2V. I started looking around more and i believe the original battery is 3.7V.

    so
    1. should i have purchased the 3.7V?

    2. will using this 4.2V cause any issues?
     
  2. chambone macrumors 6502a

    chambone

    Joined:
    Dec 24, 2011
    Location:
    Netherlands
    #2
    3.7 volts is a nominal figure. At full charge it'll be at 4.2 volts and when almost fully discharged about 3.5-3.6 volts. So no, it will not cause any issues. Although it's a little strange that they sell it as a 4.2V battery.

    If you want to be really sure you could check the voltage with a multimeter. They probably ship it half charged and it should be under 4 volts.
     

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