20000mAh High Capacity
Ultra-Fast Dual USB Ports
Lightweight for Great Portability
Universal Charging Compatibility
Total USB Output
Quantum-20 features a powerful 20000mAh li-polymer power bank
Dual Ultra-Fast USB Ports
Charge your devices via any of the two ultra-fast USB charging ports
Lightweight & Portable
Quantum-20 compact and easy to carry around
Automatic Voltage Regulation
Quantum-20 features Automatic Voltage Regulation, i.e. it provides an optimum output based on the device connected.
With Quantum-20, charge two devices at the same time.
Safe & Reliable
Quantum-20 is safe & dependable as it features over-charging & short-circuits protection
When I press the power button on my power bank, nothing happens. Is the battery dead?
No, it just needs to be recharged for 3-4 hours. If the problem persists, please contact us at email@example.com for assistance and a customer service representative will reply to your inquiry in a timely fashion.
How long should it take to fully charge my portable charger?
Typically, it will take up three to four hours to fully charge a Promate portable power bank after its initial charge. Smaller power bank should take less time, and larger portable chargers or external batteries may take slightly longer. For models with USB or micro USB input port, the output current from USB wall charger or PC USB port will inference charging time too.
Design & Engineering
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