Replacement Batteries



  • In your opinion, what are the best (autonomy, staying power) replacement batteries available (brands, references, vendors) for the different UT phones ?

    BQ E4.5
    BQ E5 HD
    NEXUS 5
    OPO.......

    I think it would be good to gather the information here with, if possible, some internet links.
    Thank you.



  • For MX4, genuine ones (Sony US525569H4, A.K.A. Meizu BT40) for sure.



  • For Nexus 5 PolarCell.

    I've put a lot of work into it, and other than doing the Nexus 5X battery mod, no battery works better.


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