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Black rectangular power bank with dual USB ports and LED indicators

Aluratek

Aluratek ASPB20KF 20000 mAh power bank

SKU CH-SPSW-FNK37 MPN ASPB20KF

A 20000 mAh power bank with dual USB outputs at 5V/2.4A and Quick Charge 3.0 up to 12V/1.5A, recharging in 3 hours

  • Total capacity20,000 mAh
  • Compatible phone brandsUniversal
  • Output type5 V/2.4A and QC 3.0 5 V/3A, 9 V/2A, 12 V/1.5A
  • Input5 V/2.1A
  • Product typePower Bank
  • Key features20,000 mAh power capacity with 5 V/1A and 5 V/2.0A output Bu
  • 20000 mAh capacity keeps phones powered for days
  • Dual USB ports charge two devices at once
  • Quick Charge 3.0 delivers up to 12 V 1.5 A for rapid top-ups
  • Recharges fully in 3 hours from a 5 V 2.1 A source
  • LED indicators show remaining power at a glance

High-capacity portable charging

The Aluratek ASPB20KF is a 20000 mAh power bank with dual USB outputs. It supports Qualcomm Quick Charge 3.0 at 5V/3A, 9V/2A and 12V/1.5A alongside a standard 5V/2.4A port. The unit recharges in 3 hours via a 5V/2.1A input. LED indicators show remaining capacity.

Travellers and multi-device users

This power bank suits anyone who needs to charge two USB devices at once while away from mains power. Quick Charge 3.0 compatibility benefits phones that support the standard. Buyers whose devices only charge via USB-C Power Delivery or proprietary fast-charging protocols will not gain the speed advantage.

Quick Charge 3.0 output voltage

The single specification that decides fit is the Quick Charge 3.0 output profile of 5V/3A, 9V/2A and 12V/1.5A. If your phone or tablet negotiates one of these voltage steps, you will see the advertised 4× speed increase over 5V/1A charging. Without QC 3.0 support, the bank still delivers 5V/2.4A but not the accelerated rates.

How it compares

Measured against everything we stock in Portable Chargers & Battery Packs, at today’s prices. Recalculated every night.

Price $30.99
Cheaper than about 68% of the 1,307 comparable items (median $36.99).

Specifications

Product
Brand nameAluratek
Model nameASPB20KF
Total capacity20,000 mAh
Product typePower Bank
Ports & slots
Output type5 V/2.4A and QC 3.0 5 V/3A, 9 V/2A, 12 V/1.5A
Input5 V/2.1A
Size & build
Shipping weight0.91 kg
Package size305 × 229 × 102 mm
Compatibility
Compatible phone brandsUniversal

Questions about this item

How do I charge this power bank and what mistake should I avoid?

Use the 5V/2.1A input port; a slower charger will extend the 8-hour recharge time.

What part will need replacement first?

The built-in lithium-ion battery degrades after hundreds of cycles and cannot be user-replaced.

Which output limit appears first during heavy use?

The Quick Charge 3.0 port drops from 12V/1.5A to lower voltages as the 20000 mAh capacity drains.

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