1. Android Central Question's Avatar
    When i bought new battery phone, and i use multimeter to detect the voltage, it says 3.3V. so, when i put or use it into my phone, i can't charge it. the display charge won't came up.Can u help me to solve the question and how to fix it? my phone is samsung gt P-3100
    09-29-2018 06:32 AM
  2. belodion's Avatar
    Perhaps it’s a bad or low-quality battery? You haven’t told us where you bought it or anything.
    09-29-2018 01:20 PM
  3. Rukbat's Avatar
    Plug the charger in for about an hour, then see if it's come up any. At that voltage, it has to be pre-charged. A few phones are capable of pre-charging. If not, return it for a refund - it's a bad battery. (Almost all external chargers can pre-charge, but these days, there are no more removable batteries. (If yours is, this one is less than $3 (plus shipping if you're not a Prime customer - so buy enough to get to $40 for free shipping).
    09-29-2018 02:43 PM

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