Compact size: 89.5mm (L) x 44mm (W) x 44mm (H) Built-in 10400mAh 18650 lithium battery Input: micro USB port with 2A at 5V DC smart charging Output: USB-A1 port output with maximum 2.1A at 5V DC, USB-A2 port output with maximum 1A at 5V DC 4 LED to show battery level and charging status Multifunction button (power on/off, battery level check) Built-in overcharge/discharge protection Supports most devices with USB charging port Ideal for long flights, outdoor activities, or anytime your devices might run out of power
