Stay Charged For When You Need It Most 

Whether you're a teenager glued to your phone, a tech savvy individual with a hundred tabs open, or a businessman on a conference call, sometimes we can run out of power when we need it most. Thankfully the RAVPower 13400mAh External Power Bank will keep you powered during all those crucial moments. iSmart 

While others usually offer a 'one-charge fits all' approach, iSmart technology automatically detects the optimal charging current for your device, then supplies just enough current to charge your device at full speed. You get the shortest charging time on any device, every time. 2-for-1

With concurrent iSmart USB ports, you can charge both of your devices simultaneously. Pick any two from the ever-growing list of smartphones and tablets: iPhone, iPad, Android, Samsung Galaxy, Nexus, Surface, and the power pack will bring both back to full battery in no time at all. Charge, Recharge, Charge; Repeat 

Get 4 full charges for iPhone 6; 3 full charges for Samsung Galaxy S5; or 1.5 for your iPad mini. With over 500 lifetime charging cycles, the 13400mAh power bank could be used every day for a year and still be as useable as the day you bought it. 

Features

• 4.5A Output: Highest output in the market, featuring a 4.5A total output capable of simultaneously charging 2 tablets, making it faster and more powerful than the rest

• Exclusive iSmart Technology: Charge faster and smarter than others, automatically detects and delivers the optimal charging current for any connected device- ensuring the fastest and most efficient charge.

• Huge capacity: 13400mAh charges an iPhone 6 or iPhone 6s almost 5 times, a Galaxy S6 over 3 times or an iPad Air once. Safely recharges with a 2 amp or higher output charger (most phone chargers have only 1 amp).

• Unique Design: Smooth, ebony varnish allows you to power up in style, while 4 status LEDs keep you informed of remaining capacity.

• Safety Protection: Ultra reliable A+ Lithium-Ion battery with over 500 battery charge cycles; Security protection design: short-circuit and over-current protection. This battery pack will automatic shutdown if a short circuit or overload output occurred while unit is charging.