1. Rubidad's Avatar
    Greetings,
    What good does owning an extra battery for my 640 if there is no way to charge the thing without being in the phone itself? Obviously, usb chargers will not connect to a bare battery!
    abhishek singh21 likes this.
    03-15-2016 06:44 PM
  2. Chintan Gohel's Avatar
    Greetings,
    What good does owning an extra battery for my 640 if there is no way to charge the thing without being in the phone itself? Obviously, usb chargers will not connect to a bare battery!
    can you post specs and a photo?
    03-16-2016 05:51 AM
  3. WellingtonW's Avatar
    Its useful if you don't want to have a USB battery pack hanging out of the phone when extending your battery time.

    You could pick up a 640 with a damaged screen or similar to use as a battery charger. Most people don't bother, they just get a USB battery pack.
    libra89 likes this.
    03-16-2016 08:16 AM
  4. RumoredNow's Avatar
    If you charge it up and throw it in your go bag, it should last some time before needing a charge again.

    However, if you are using the spare all the time then an external battery charger would be best.

    Amazon.com: universal cell phone battery charger
    Rubidad likes this.
    03-16-2016 12:41 PM
  5. Rubidad's Avatar
    Thank you,
    Exactly what I was looking for!!!!
    A removable battery is a big plus in my book. Having an extra "charged" battery just makes more sense than a usb charging power pack unit....
    RumoredNow likes this.
    03-16-2016 02:48 PM
  6. RumoredNow's Avatar
    Thank you,
    Exactly what I was looking for!!!!
    A removable battery is a big plus in my book. Having an extra "charged" battery just makes more sense than a usb charging power pack unit....
    Let us know what you get... Maybe a mini review in General Windows Phone Discussion Lounge... :)
    03-16-2016 04:20 PM
  7. rhapdog's Avatar
    Thank you,
    Exactly what I was looking for!!!!
    A removable battery is a big plus in my book. Having an extra "charged" battery just makes more sense than a usb charging power pack unit....
    I have a universal cell phone battery charger myself, for the spare Lumia 640 battery that I have. It is rather handy to swap out and stay un-tethered to a cable while you keep going with your day.

    However, I sometimes find myself working on something and using my phone when the battery gets low, and I can't afford to temporarily shut off the phone, like when I'm on a long conference call or the like. For those times, if I don't have access to electrical power or I'm needing to be on the move, I plug in a portable battery pack to keep it charged up, like when I'm doing some grocery shopping and my wife is on the phone, for example. I use a Bluetooth earpiece so I don't have to hold the phone to my ear with a cable. I keep a leather holster pouch for my phone on my belt, and a cable from that holster goes to the next holster on my belt with the power pack. Very convenient for those situations, which are not often, but do happen.

    I have 2 spare batteries for the 640 that I keep charged, along with separate power packs to give extra power to my phone that add up to about 65,000mAh. If I go camping off the grid for 2 weeks, I'd still be okay as far as my phone charge goes. ;)
    RumoredNow likes this.
    03-21-2016 08:34 AM

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