Amazon offers the Omaker 10,000mAh Dual 2.1A USB Battery with 1W LED light in Black or White for $21.99. Coupon code UV577U98 drops it $5 to $16.99 Prime shipped. That’s the lowest price we’ve seen for this high (4.7/5 star) rated external battery. Features:
- Premiun gloss finish,the UV craft makes it wear resistant.
- Intelligent technology:maximizes compatibility with Android,Apple or other devices by enabling charge speeds of up to 2.1 amp with 2x 2.1A USB Outputs.
- High capacity: 10000mAh of capacity charges an iPhones four+ times or large-capacity phones like the Galaxy S4 more than twice, 4 Integrated LED indicator show Power status.
- Battery Type:Constructed with A+ Li-Polymer battery cells and build-in microchips to ensure safety use; 500+recharge cycles over the life of the battery.
- Intelligent power manage IC:Multiple protection system inside for safety;Designed for avoiding overcharge,overvoltage, overcurrent, and short circuit, CE, FCC, ROHS certification ensures reliability.Portable Charger: Compact design, Super portable, Suitable for a wide range of occasions, such as parties, BBQs, and outdoor activities like camping,mountain climbing, and picnics.