Today only. **[SunvalleyTek (fulfillment by Amazon.com)](http://www.passwird.com/links/LV3PtQ)** has the RAVPower 16750mAh Portable Charger / Power Bank w/ iSmart Technology (RP-PB19) for **$23.99** with Free Super Saver Shipping on $35+. Positive customer reviews.

* Exclusive iSmart Technology: Automatically detects and delivers the optimal charging current for any connected device–ensuring the fastest and most efficient charge
* 4.5A total output