1. Amit Choubey1's Avatar
    I bought a Lumia 520 for my brother yesterday and he is not happy with the battery performance. The 1430mah battery seems to be draining soon for him as he uses 3G and still the battery is not that good.Value for money though.Anyway , It uses a BL-5J battery and I am planning to buy a spare battery but I have seen the below given products. Please tell me your opinion whether I should go for this or not and what should I do.Thanks.

    Aliexpress.com : Buy 2450mAh High Capacity Replacement Gold Battery BL 5J For NOKIA 5230 5800 N900 X6 XpressMusic FREE SHIPPING from Reliable Gold Battery for NOKIA BL-5J 5800 suppliers on Mumu liu's store

    BXT 2600mah Standard Li-ion Spare Replacement Battery: Amazon.co.uk: Electronics

    05-23-2013 03:05 PM
  2. WanderingTraveler's Avatar
    As much as possible, don't buy something that's not a first-party Nokia battery. You should go ahead, if you trust that source.
    It's your risk, though, if you want to try it out. The largest official Nokia batteries ever were actually made during the WP era, and even they aren't that large.

    Also, the Lumia 520 should last ~5 hours while browsing, according to GSM Arena.
    05-23-2013 06:53 PM
  3. mpt15's Avatar
    You have used the phone for a day. Battery life improves over the first couple of weeks. It takes a few charge cycles to get it to optimum. So dont jump into buying a new battery.
    05-23-2013 09:43 PM
  4. Amit Choubey1's Avatar
    Thanks for the reply guys but its just that 1430 mAh is not enough and its getting drained.
    I'm ready to pay for an extra battery but I'm confused which one should I go for from the above three.
    05-24-2013 12:15 AM
  5. WasteSomeTime's Avatar
    You can get an external charger 3200 mah at amazon. I think it was like $30.
    05-24-2013 12:28 AM
  6. Amit Choubey1's Avatar
    Buddy I need a battery only.Don't need a charger.Please suggest me someone what should I do.
    05-24-2013 01:09 AM
  7. mpt15's Avatar
    Buddy I need a battery only.Don't need a charger.Please suggest me someone what should I do.
    dont rush into buying a battery. Battery life will increase in a couple of weeks, its a known fact. Meanwhile, turn off background tasks for those apps which are unnecessary. (settings > applications > background tasks). Also, when not using Bluetooth and tap+send NFC, turn it off. Check the brightness settings. Use WiFi as far as possible. If you must rely on 3g, then make sure you have turned off tasks you dont need.

    If you must have a battery backup, I think its better to go for an external charger. Nokia has a charger called dc16, U can check it out at a Nokia store.
    05-24-2013 02:03 AM
  8. Joseph Jung's Avatar
    Those chinese imported batteries don't last very long - both durability and longevity-wise. Had a couple for my PSP a few years back and they would last about half as long with the same listed maH.
    05-24-2013 02:07 AM
  9. OzRob's Avatar
    Battery life will increase in a couple of weeks, its a known fact.
    No, it's not a fact. It's actually a myth. Li-ion and Li-polymer batteries do not increase their charge capacity with a couple of weeks use. What happens is people stop playing with their phones as much after a couple of weeks (thereby lower the amount of time the screen is on) which gives the perception that the battery life is increasing.
    Riyan R likes this.
    05-26-2013 11:03 PM
  10. yapmeo's Avatar
    This thread talks about fake golden battery BL-5J with 2430mAh capacity.

    High capacity gold bl-5j battery for nokia n900 - Page 3 - maemo.org - Talk

    Most ebay china made "long lasting" batteries are a scam.
    08-24-2013 03:18 PM

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