When all you need is a boost, the Anker® Astro Mini's got you covered. Holds enough juice to get you back up and running without weighing you down (less than 3oz). Add more than a full charge - that's up to 9 hours of talk time to an iPhone or more than 90 hours of audio playback to most other phones.
You can purchase it from $19.99 (new) at Amazon.com here.
Stylish, lipstick-sized & ultra-compact design, tiny but fully equipped, easy to carry on the go. Provide more than one full charge for your iphone, or one full charge for most other phones. Additional USB flashlight fits easily into any bag and could be used for emergency like finding keys from your handbag in darkness. Constructed usingSamsung original Grade A cell and premium microchips to ensure the high quality and safety worry-free use.
You can purchase it from $12.99 (new) at Amazon.com here.
Lightweight, Portable External Battery Pack - Charge your mobile phones, iPod, and much more, on the go with 6000mAh capacity. Superior Energy Conversion - More than 90% conversion rate. Better efficiency than other similar power banks. Top-Notch Compatibility - Works with all major cell phone and tablet models.
You can purchase it from $19.99 (new) at Amazon.com here.
Samsung high capacity battery cell w/ 1A output for rapid charge. LED status bar indicates the current battery status. 5 charging tips included.
You can purchase it from $19.99 (new) at Amazon.com here.
High Capacity: 12000mAh , Supply about 600%~700% of iPhone 4 battery life, or 200%~250% of Google Nexus 7 battery life, 4 Integrated LED indicator show Power status. Battery Type: Li-polymer battery; more stable and safer than Li-ion battery, such as both iPad and iPhone use the safer Li-polymer battery. 500+ recharge cycles over the life of the battery. Security protection design: short-circuit and over current protection; The device will automatic shutdown when short circuit or overload output happened to avoid destroy the device and accident.
You can purchase it from $37.99 (new) at Amazon.com here.