1.Ultra-High Capacity with Qualcomm Certified Quick Charge 3.0 Input/Output system (Most others only have Quick Charge Output function) : 20100 mAh high energy density premium LG Dual USB battery pack to charge iPhone Samsung LG and all other cellphones and tablets at maximized power charging speed backwards compatible with all versions of Qualcomm Quick Charge. This X1 charges compatible devices up to 80% in just half an hour. Non-Quick Charge devices also charge at its max speed allowed.</br>2. Ultra-Compact and Slim: Our special slim curve design with high capacity and high energy density 18650 LG premium battery pack makes this dual USB quick charge 3.0 power bank a highly portable cell phone charger and ultra-compact among 20000mAh range high capacity portable power banks. What You Get: Hercules X1 20100 mAh external battery pack cell phone charger with Quick Charge 3.0 system Nylon Braided woven Micro Data cable User manual.</br>3. Intelligent TI chip safety system provides comprehensive protection to keep you and your devices safe. The 10 highlights are as follows: 1.Battery Pack Protection; 2. Auto Shut-off Sleep Mode; 3.Quick Charge 3.0 Input Voltage Surge Protection; 4. Output Current Limiter; 5.Quick Charge Low Voltage Protection; 6.Power Bank Short Circuit Protection; 7. Output Voltage Surge Protection; 8.Power Pank Output Current Stabilizer; 9.Power Charger Overload Recovery; 10.Battery Pack Temperature Control.</br>4. Highlight features: It's a safer dual usb external battery pack power bank if compared with normal ones by using fire-proof case. Dual USB ports battery charger support two devices charging at the same time. Super bright LED light is enough for emergency. The smart digital LED display shows the exact percentage of remaining power for this cell phone charger</br>5. We are the manufacture of this product and we have 100% customer satisfaction guarantee on the product we sell. As a leading provider of portable chargers we offer worry free shopping experience with no question asked return/refund policy and with the return shipping paid by us. Please in contact with seller for refund and replacement. We provide 12-months warranty and problem solving customer service.</br></br>Product Description</br></br><strong>Boxtron Hercules X1</strong> is a 20100mAh slim and ultra-compact portable power charger with Texas Instruments intelligent battery protection system Qualcomm Certified Quick Charge 3.0 Input/Output two way system premium high capacity and energy density LG cell battery pack Dual USB Super bright LED light and durable woven data cable for iPhone iPad Samsung LG HTC and more...<br><br><strong>1. Ultra-High Capacity:</strong> 20100mAh high capacity and high energy density premium LG cell to charge the iPhone the Galaxy the LG and most tablets at its maximized charging speed.<br><br><strong>2. Qualcomm certified Quick Charge 3.0 Input/Output two way system:</strong> Up to 4x faster than standard chargers?? backwards compatible with all versions of Qualcomm Quick Charge. Hercules X1 charges compatible devices u