Anker® Astro Pro2 20000mAh Ultra-High Capacity Multi-Voltage (5V 12V 16V 19V) External Battery Backup Charger Power Pack for Tablets, Netbooks, Notebooks, Laptops and Smart Phones — Compatible with HP, Dell, Acer, Asus, Toshiba Notebooks, Google Glass, Nexus Tablets, iPads, iPhone 5S, 5C, 5, 4S (Apple adapters not included), Samsung Galaxy S4, S3, Note 2 and More
by20000mAh of capacity, provides 1 full charge to most laptops or approximately 9 cycles to most smartphones. Reliable lithium polymer battery ensures quality. More…