ECO-u521 - Power Bank with Safety ProtectionThere is a way to ease your power struggles. The latest universal power bank from Genius, ECO-u521, provides you the single power source you'll need, without the need to carry or purchase extra spare batteries for all your various devices. ECO-u521 is compatible with just about every 5V Micro USB device – from most smartphones, tablet, media players, game devices, e-readers and much more. It’s small enough size to fit in your pocket without feeling bulky, so it’s easy to take with you when you’re on the go, and comes in various color options to fit your look. ECO-u521 has a one year limited warranty and US$ 10 million worldwide product liability insurance.Technical specifications :

• Battery Type: Li-ion Battery
• Capacity: 5200mAh / 19.24Wh
• Output: 5V / 2.1A
• LED indicator
• Unit Weight(g): 117 ±5% 
• Unit Size(mm): 85 x 45 x 21
• Retail Package Size(mm): 152 x 95 x 35
• PCS/CTN: 20 / 4 KG
• CUFT: 0.52 /CTN: 373 x 205 x 193mm