LB1 High Performance New Power Bank for Asus Transformer Pad TF103C 8000mAh Ultra-slim Premium Portable Charger and External Battery with Universal Compatible USB Port 2.1A (Black) Capacity: 8000 mAh | USB Output: 5V/2.1A | Dimension: 5.3 x 2.64 x 0.43 IN | Weight: 0.35 lbs | Certification: FCC / CE / ROHS | Compatible with all 5V input USB mobile device. Slim and Elegant Design. This Portable Power Bank is designed to carry with you everywhere. It is small and sturdy, you can slip it in your pocket, carry it in your hand, or keep it in your bag for easy access, and it fully integrated with your fashion mobile devices. Premium Quality, Real Standard Capacity. A+ class lithium polymer battery with real 8,000mAh capacity, it can charge the average smartphone 3 - 8 times. Built-in: Short circuit, Over-charge, Over-discharge and Temperature protection. 100% Customer Satisfaction. Fast Same-Day Shipping by 12:00 PM PDT. 30-Day Money Back Guarantee. 18 Months Warranty. Exclusive $100000 Product Protection Plan! Satisfies Government-School-Health care enterprise and Corporate account purchase order requirements.