Josi Minea&reg; Mini 2600mAh Ultra-Compact Portable Charger Backup External Battery Power Bank Pack for Apple iPhone 5S / 5C / 5, 4S, iPad, Air, Mini, Samsung Galaxy S5 / S4 / S3, Note 3 / Note 2, Nexus 4, HTC One, Nokia Lumia & most other Smartphones - Black Constructed using High Quality Grade A cells & premium microchips to ensure the highest quality. Provides better efficiency than other similar power banks due to its superior Energy Conversion rate. Stylish, Compact & Lightweight design that fits easily into any pocket or bag. Lightweight, Portable External Battery Pack - Charge your mobile phones, iPod, and much more on the go Works with all major cell phone & tablets - iPhone 5/5S/5C iPad mini, iPods; Samsung Galaxy S5/S4/S3, Note 3/2; HTC, Droid