RAVPower RP-PB33-BK 3350mAh Black power bank

3350mAh, DC5V/2.4A Output, DC5V/2A Input - Smallest and Powerful: Sleek mini size fits easily into any pocket or bag, but is powerful enough to give up to 14 hours of additional talk time or 90 hrs of music playback from your cell phone
- Thoughtful Yet Ergonomic Design: Cased in a fresh anodized finish with aluminum alloy from the same manufacturing standard as Apple's products; plastic on both ends and a unique clip-inspired design prevents the charging from scratching or from rolling off your desk; 3 LED's keep you informed of battery status
- Exclusive iSmart Technology: Detects the optimal charging current your device needs then supplies it (i.e. delivers a 1A charge for phones that have 1A charging input)
- Protection Guarantee: This portable charger will automatically shut down if a short circuit or overload output occurred while unit is charging. Can be charged over 500 times without the battery losing effectiveness
- What You Get: RAVPower 3rd Gen Luster Mini 3350mAh Portable Charger, Micro USB Cable, Welcome Guide, and our fan-favorite 18-month warranty and friendly customer service