recommended external battery for old/new Nexus 7?

[ExceptforKhloe]

I've looked at a few on Amazon. Anything to watch out for, in terms of negative impact?

 

[hoosiermama2799]

Amazon.com: Anker? Astro Mini 3000mAh External Battery Pack - Ultra-Compact "Lipstick" Size Portable Power Bank Charger for iPhone 5 4S 4 3GS, iPod (Lightning Cable not Provided for iPhone 5) / Samsung Galaxy S4 S3 I9300, S II I9100, I9000, Galaxy Ne

I have this charger. It seems to work well. We used it this summer on a long car trip, and seemed to charge the N7 and my phone well.

 

[sparksd]

Another happy Anker user here. Got the 10000mAh battery --

Amazon.com: Anker? Astro3E 10000mAh High Capacity Power Bank Pack Portable External Battery Charger for Samsung Galaxy S4, S3, S2, Note 2; iPhone 5, 4S, 4, iPad 4, 3, 2, Mini, iPods (Lightning Cable not Provided for iPhone 5 & iPad 4); HTC One, EVO,

 

[sheureka]

+1 for the Anker Astro3E

 

[ExceptforKhloe]

Thanks all for the responses! I didn't think anyone had.

I'm mulling them over. It looks as if at least one model does not include a wall charger, which I consider to be necessary. Hope that's uncommon.

 

[ExceptforKhloe]

Why does the astro 3E say it doesn't support Asus, Samsung tablets? And yet it says Nexus 7 on the list? Why would they say it doesn't support an Asus tablet, but it pleases some Nexus users apparently?

 

[sparksd]

Why does the astro 3E say it doesn't support Asus, Samsung tablets? And yet it says Nexus 7 on the list? Why would they say it doesn't support an Asus tablet, but it pleases some Nexus users apparently?

Some tablets like my Asus Infinity Prime take a much larger voltage - 15V - than the Nexus.