51+pDMaPYEL._SL1500_Amazon has the Anker 2nd Gen Astro 13000mAh Dual USB Battery/Charger for only $29.99 shipped with Prime (free trial).  That’s $60 off the list price and the current lowest we could find for it. It features PowerIQ technology that maximizes compatibility with Android, Apple or other devices by enabling charge speeds of up to 3 amps. It has a huge 13000mAh capacity that charges an iPhone 5s almost 6 times, a Galaxy S5 over 3 times or an iPad Air once.

RAVPower Deluxe External Battery CHARGER 8400mAh Portable Power Bank Pack for iPhoneNext up, is the 8400mAh RAVPower Deluxe External Battery charger also at Amazon for $29.99 down from $79.99. The coupon code: ZXZHF3OO takes it down to only $19.99. That’s a $60 savings off the list price and the lowest it’s ever been. With this one you can get 3-4 charges on your iPhone 5, 4S, 1.5 charges on your iPad 2, and 3 charges on your Google Nexus. It has 3A Max output. 5V 2A-1A Dual USB charges 2 devices rapidly. 2A output is for iPads/Tablets and the 1A output is for iPhones/Smart phones.

We also found the following notable battery packs on sale:

  • Lepow U-Stone Series 12000mAh External Battery $29.99 (Reg. $101.99) with code: 574PZL5S  | Amazon
  • Lepow Stone 6000mAh External Battery Power Bank  $15.99 (Reg. $34.99) | eBay

Anker® 2nd Gen Astro E4 13000mAh External Battery Portable Dual USB Charger Power Bank. PowerIQ™ Broad Compatibility, Fast Charging, High Capacity, Ultra Compact. For iPhone 5S 5C 5 4S, iPad Air mini, Galaxy S5 S4 S3, Note 3 2, Tab 4 3 2 ProRAVPower Deluxe External Battery CHARGER 8400mAh Portable Power Bank Pack for iPhone 5

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One Response to “USB Battery Roundup: Anker 13000mAh $30, RAVPower 8400mAh $20, Lepow Stone 6000mAh $16, more”

  1. I’m using the 13000mah unit this week while on the road, traveling through Utah shooting the parks and now in Colorado shooting the Leadville 100 Trail Run. It’s worked really really well, loads of capacity. I kind of don’t like the IQ feature, I know you’re not supposed to use the higher capacity ports for phones but sometimes you need to charge quickly, you don’t get a choice with this. It’s not small, but it’s small enough to fit in my pocket when walking around the race meeting and I’m low on battery already…