20000mAh Power Bank Ultra Thin External Battery Pack

Our mobile power bank provides a total power up to 74W/20000mAh and 4 remaining power indicators of power bank battery, dual USB charging ports with 3.1A total output enables you to rapidly charge 2 devices simultaneously（5V/2.1A&5V/1A）, such as phones and tablet PCs. Advanced circuit and highly efficient power management to protect your electronic devices from over-current and short-circuit. Ultra-slim size with LED flashlight is portable and optimal for travelling and working. Features: Our 20000mAh power bank detects your device automatically and enables to charge 2 electronic devices simultaneously at full speed（2.1A+1A), share the charging ports with your family or friends conveniently. Note: Electric loss may happen during the whole charging process and the recharging time depends on your device and other factors. Built-in advanced circuits and highly efficient power management that provide safe charging. Protect our power banks and electronic devices from overcharging, over-discharging, short-circuiting, over-current and high-temperature protection. Show the remaining power with the exact 4 indicator lights of the power bank. One indicator light left is alerting you of the need to charge the power bank. Inbuilt LEDs provide a quick solution for illuminating in the darkness via long pressing its ON/OFF button. Possibly the thinnest power bank compressed into 1cm /0.39inches thickness. Chic business style with anti-oxidation treatment aluminum alloy materials, durable and heat- abrasion resistant. Our power bank is optimal for travelling and working. Ultra-slim design is easy to hold. Includes: 1 x Mobile Power Bank 1 x USB Charging Cable