It may get warm while charging. Don't freak out its normal for it to be warm leave it out in the open to charge which I recommend and left in the bag.
This portable charger is cheap, fast and so reliable! I bought my first one on Amazon (1st generation) for around $20 and my second one (2nd gen.) for around $10! The 1st generation battery charges my phone back to full battery and still a little more left over; the 2nd generation battery contains even MORE battery power and works just as great. The battery is light, with a very sleek design. It is also very durable -- I have dropped it a few times and it still works perfectly! It is a bit bigger than a lipstick tube, but it is still a very small and portable battery that connects to any USB. Doesn't take much space in your bag or purse, and is a great addition for someone that travels or uses their phone often. The indicator light on this device lets you know when it's in use (when you're charging your phone, or recharging the battery). One great thing about this device is that it would automatically turn off when your phone/battery is fully charged -- so you're not wasting any energy or battery!
Great buy, and definitely recommend to anyone with a smart phone.
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