Features:

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• Ultra-high 23000mAh capacity charges an iPhones 12 times, a large-capacity phone like the Galaxy S4 7 times and tablets several.
• 2 USB Smart Ports (3.5A MAX) to charge ALL devices at their max speed. Additional multi-voltage port (9V/12V/16V/19V/20V) for Asus, Acer & Surface tablets and more. Simultaneously charge 3 devices (4.5A max total output).
• Stylish and slim aluminum-body ensures good heat dissipation, and the smart LCD screen accurately displays power level, charging status and voltage selection.
• Package includes: RAVPower Xtreme 23000mAh External Battery, 110 - 240V AC charger, Charging tips Instruction manual.