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Double tap the power button to turn on. Either port that says “input” can charge it. Usb c and usb a
Sorry, there was a problem. Please try again later.The Energizer MAX 20,000mAh power bank is very easy to use. To turn it on and check the battery level, you simply press the power button once. It will automatically shut off after a period of inactivity to save power. To recharge the power bank itself, you should use the USB-C port. The USB-C port on this model is designed to function as both an input (for charging the power bank) and an output (for charging a device), but it is the dedicated port for recharging the power bank itself. You can connect it to a wall adapter or a computer to recharge. -- Energizer PowerPacks Service Team
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