ROMOSS Longuard 10 10000mAh Power Bank

Ultimate Battery Lifespan:

The Longuard uses the same battery technology as the world’s elite electric cars. The optimized 26650 battery cells last for years, are certified for over 1000 charging cycles and represent a 60% increase in lifespan.

10,000mAh Dual Output:

The Longuard features dual 2.4A outputs for a total output of 4.8A and a capacity of 10,000mAh, designed to quickly and safely charge two devices simultaneously. Our proprietary Quick Charge technology automatically detects and delivers the fastest safe charging rate for your devices.

Rapid Recharge:

The Longuard can be fully recharged in 4 hours, up to 45% faster than typical power banks, saving time and adding convenience. The power bank features dual recharging Inputs for maximum compatibility. Accepts DC5V input from common Micro USB as well as the new USB Type C protocol for backward compatibility and future-proof practicality.

Safe, Fast, Reliable:

Featuring battery cell monitoring and 9 different built-in safeguards, the Longuard continually self-diagnoses itself and protects your devices against overcharging, overheating, short circuits and excessive current conditions. In the event of an anomaly, the power bank will safely turn off, protecting your valuable mobile devices.

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Content from Amazon.com

Product Name







Micro USB: DC 5V 2.4A;
Type-C: DC 5V 2.4A


USB1: DC 5V 2.4A; USB2: DC 5V 2.4A
USB1+2: DC 5V 4.8A


~L103 x W61 x H30mm


~306g / 10.79ozs



In the Box

LONGUARD 10*1, Micro USB Cable*1, User Manual*1, Protective Bag*1