13600mAh LCD External Battery Power Bank 18650 Battery Charger Box with 2-Port 5A for iPhone 6 Plus 5S Galaxy S6 S5 Nexus 5 HTC One DIY your power bank. Install 4pcs 3400mah batteries can get nearly 136000mAh of power. NOTE BATTERY NOT INCLUDED. Ultra-High Capacity: Enough to provide 3-4 charges to an iPhone 6s and Galaxy S7. Double USB ports of 1A/2A can charge cellphone and tablet PC at the same time. The intelligent identifying IC will provide the most suitable current output for your devices. Built in overcharge protection, short circuit protection. No worry of damage power bank by putting batteries in wrong direction. LCD indicates the actual power and interface status. Supports charging and discharging at the same time.