Xiaomi Portable Super Slim 9.9mm 5000mAh Safe Mi Power Bank for iPhone 6 6 Plus Samsung HTC Smartphones Tablet PC. 5000mAh Mi Power Bank: Lithium-ion polymer battery cells in a super slim 9.9mm aluminum case, our thinnest yet. Super slim 9.9mm case: So thin, you won't know it's in your pocket. Keep things light. The 5000mAh power bank is designed for everyday use. Stash it in your bag or pocket - it's so slim you won't even know it's there. Slimmer, safer charging: Premium lithium-ion polymer batteries, add 5000mAh of battery life to your smartphone, tablet or digital camera. World-class chipset protection. Optimized charging/discharging efficiency: Up to 93% conversion rate, World-class chips built into the power bank are not only safer, but improve charging conversion rate and stabilize discharging voltage with advanced resistance-capcitance sensors to optimize efficiency and durability. Plays well with others: Compatible with a wide range of devices. Protective Casing: Beautifully textured aluminum surface. So buy this and Save 26% OFF For Xiaomi Portable 5000mAh Mi Power Bank.