Free 2A Charger: Recharge to full capacity in 8 hour with RAVPower 2A USB charging adapter included for FREE (worth $8.99 in retail)</br>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</br>Huge Capacity: 13000mAh charges an iPhone 7 almost 4 times a Galaxy S7 over 2.5 times or an iPad Air once. Safely recharges with a 2 amp or higher output charger (most phone chargers have only 1 amp).</br>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.</br>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.</br></br>Product Description</br></br><br> <b>iSmart Charging Port: Compatibility maximized. </b> <br> Not all charging ports are created equal. Standard ports only communicate effectively with particular devices?? like Apple OR Android?? often limiting their recharge rate. But with iSmart technology?? each port intelligently identifies your device to speak its unique charging language. So plug in any brand or model and enjoy compatibility that doesn't limit your charging speed. <br> <br> <br> <b>2A Charger Included </b> <br>Recharge to full capacity in 10 hour with RAVPower 2A USB charging adapter included. <br> <br><br><b>Full Speed Charging</b><br> Our 5V RAVPower battery charger has 2 USB ports (2.1A max a