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Features:

Precise Power Display: Always know how much capacity left when you press the power button with this digital LED display
Huge Capacity: The huge 40000mah capacity supports 8 times recharge for iPhone 11, 8.2 times recharge for Samsung S10, etc. The long-last power bank holds the power for weeks, ideal to take it for a trip, music festival, hiking and more.
18W PD 3-Output & 2-Input: Charges QC-support devices up to 80% in just 35 minutes, Charge 3 devices simultaneously at maximum speed up to 3A. Only takes 16 hours to fully recharged itself with a 18W wall charger（Not included）. Featuring 2-input: Micro-USB and Type-C provides high convenience of recharging this power bank with any of these 2 widely used cables.
Pass-Through Supported: it can charge your devices while being charged.
The power bank charges devices through USB ports. So if your laptop can be charged by USB port then it will work. Otherwise, it can't be used as a laptop charger.

ROMOSS 40000mAh Fast Charge Power Bank

Yours Charging Companion

A convenient and reliable power solution for your life on-the-go, with a substantial 40000mAh of charging power and 3 output ports for almost any device-charging need.

18W Two-way Fast Charge

PEA40(9V/2A) support 18W Fast Charging, charge your iPhone 11 30 minutes, you will get 50% power, and if you use other normal fast charging(5V/2A), only 18% power after 30minutes.

Charge Your Devices Anywhere

Easily slips into your bag for accessible power anywhere. It is the best choice for business trip, traveling, parties, BBQ and outdoor activities(camping, mountain climbing and picnic).


It could charge three devices simultaneously. 3 output ports (2*USB 5V/3A (Max.) cover your daily charging needs.	This portable power bank has a full-view LED display, it presents available battery percentage exactly and it can show the current and voltage as well. Ensures easy check and accurate battery capacity.	Our Li-Polymer batteries adhere to the highest safety and quality standards. Automatically adjust the output power to deliver the optimal charging current keep your devices from overcharging, over-current, over-voltage and short circuit.