LUXA2 Energy Slim 5000mAh Compact Portable Charger External Battery Power Bank for iPhone/Samsung/HTC/Nexus/GoPro/and Tablets - Retail Packaging - Black Innovation in technology and style by LUXA2. Presenting mobile accessory in sleek, sporty, and street element design. Sleek, Slim, and Supreme: Portable and compact construction. Weighing only 120g, and with a thickness of 9.8mm. Powerful 5000mAh capacity with 5V1.5A USB charging port. Incredible energy efficiency: Compiling a 90% energy conversion efficiency rating. Charges 1.8 times on the iPhone 6, and 1.2 times and over on the 6 Plus, Galaxy S5, and Nexus 5. Everlasting 2 years warranty: Certified for overall reliability and safety with our consumer favorite 48-month warranty and exceptional customer service. Black Shield Design. Featured in black on black surface and matte black finish with Fireproof ASB UL94 V-1 casing for heat resistant and firm grip. Build in safety mechanisms for short circuit and protection from overcharging and overheating.