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Product Details
Silicon Power QS28 Power Bank, 20000mAh, Black - SP20KMAPBKQS280K
A Power-Packed Charge
The QS28 packs a mighty 20,000mAh capacity, enough to fully replenish most smartphones around 4-6 times. Its ergonomically-shaped body makes for a comfortable hold, elegant mirror surface gives it a classy look, and handy digitized LED screen shows the exact remaining battery percentage for power certainty at all times.
Built For Speed
Charge up to 2.5 times faster with 18W Power Delivery (PD) via Type-C and QC3.0 via USB-A. Plus, charge the QS28 itself in only 6.5 hours with Rapid Recharge, which allows for rapid input charging via the Type-C port when connected to a quick charge PD power adapter.
Mix And Match With Multiple Ports
The QS28 was designed for convenience. With 3 outputs, you can charge up to 3 devices simultaneously. Mix and match your devices with 2 USB Type-A ports and 1 Type-C port to keep all of your electronics going with you. Or, share with a friend in need.
The Future Of Input Charging
Not only is there rapid input charging, but with a dual input, you can charge the power bank via Micro-USB or Type-C. The Type-C input is the perfect future-proof addition to sync with the growing trend of Type-C ports on devices.
Safe And Maximal Charging With SP's Core Technologies
smartSENSE: an intuitive and universally-compatible charging technology that maximizes charging speed and auto-pairs with nearly any device.
Safe And Maximal Charging With SP's Core Technologies
smartBOOST: a dual-engine speed-enhancing technology that utilizes advanced high-speed charging rates via PD or QC3.0, based on device configuration.
Safe And Maximal Charging With SP's Core Technologies
smartFOCUS: an advanced calibrating technology that stabilizes voltage currents throughout the charging process to sustain maximal charging power.
Safe And Maximal Charging With SP's Core Technologies
smartSHIELD: a comprehensive 12-point safety guard that ensures total protection against vulnerabilities for both users and devices.
Features
- 20,000mAh capacity provides 4-6 full charge cycles on just about any smartphone
- Charge up to 2.5 times faster with 18W Power Delivery (PD) via Type-C and QC3.0 via USB Type-A
*Only one device may be connected to the power bank at a time in order for fast charging to be enabled
**PD is supported by Android-based and iOS-based devices, while QC3.0 is only supported by Android-based devices (excluding some Huawei and OPPO models) - 3 outputs (2 USB Type-A and 1 Type-C) charge up to 3 devices simultaneously
- Dual input (Micro-USB and Type-C) for more convenient charging options, plus Rapid Recharge via Type-C
*For rapid input charging via the Type-C port, a quick charge PD power adapter is required - With a simple touch, a dual-function button shows the exact remaining percentage on a digitized LED display and acts as a "wake-up" power button for Apple iPhone and iPad devices
- Elegant mirror surface combines with an ergonomically-shaped body for a comfortable hold
- Includes 1 USB Type-A to Type-C cable
- Includes a protective mesh pouch with a drawstring closure to keep the power bank safe while on-the-go
- smartSHIELD: Input High-Voltage Protection, Output High-Voltage Protection, Input Current Protection, Output Current Protection, Automatic Current Matching, Input Short-Circuit Protection, Output Short-Circuit Protection, Device Overcharge Protection, Reverse Charge Protection, Input Current Regulation, Static Resistance, and Fireproof Guard
- High quality Li-Polymer battery is safer, thinner, and provides a more effective charge
- Safe to fly with
- Up to 2 million USD product liability insurance
Shipping & Return
Return Policy
You need to have a Return Authorization (RA) number before returning any products to HSSL Technologies.
For a hard copy of this form and a shipping label, please include your request in the form below.
You can also request an RA online by submitting an RA Request via email. Once you have provided HSSL Technologies with the appropriate information, we will contact you with an assigned RA number.
Defective or DOA Products
DOA or defective products are returned for REPLACEMENT ONLY with the same product/model. Deviations from this policy may result in a 20% Returns Processing Service Charge.
- Defective products must be in the original factory carton with all original packing materials.
- The Return Authorization number must be on the shipping label, not the carton. Please do not write on the carton.
- Returns must be shipped freight prepaid. Products received freight collect, without an RA number, or not approved for return will be refused.
- Return Authorization numbers are valid for fourteen (14) days only. Products returned after expiration will be refused.
- HSSL credits are based on the purchase price or current price, whichever is lower.
General Return Terms
You may return most new, unopened items within 30 days of delivery for a full refund. We will also pay return shipping costs if the return is a result of our error (e.g., you received an incorrect or defective item).
You should expect to receive your refund within approximately six weeks of giving your package to the return shipper. This period includes:
- 5–10 business days for us to receive your return from the shipper
- 3–5 business days for us to process your return
- 5–10 business days for your bank to process the refund
If you need to return an item, please Contact Us with your order number and product details. We will respond quickly with instructions for returning items from your order.
Shipping Policy
We can ship to virtually any address in the world. Note that there are restrictions on some products, and certain products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates based on the availability of your items and the shipping options you select. Depending on the provider, estimated shipping dates may appear on the shipping quotes page.
Please also note that shipping rates for many items are weight-based. The weight of each item can be found on its product detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
Has my order shipped?
Click the "My Account" link at the top right hand side of our site to check your orders status.
How do I change quantities or cancel an item in my order?
Click the "My Account" link at the top right hand side of our site to view orders you have placed. Then click the "Change quantities / cancel orders" link to find and edit your order. Please note that once an order has begun processing or has shipped, the order is no longer editable.
How do I track my order?
Click the "My Account" link at the top right hand side of our site to track your order.
My order never arrived.
Click the "My Account" link at the top right hand side of our site to track your order status. Be sure that all of the items in your order have shipped already. If you order displays your Package Tracking Numbers, check with the shipper to confirm that your packages were delivered. If your packages each show a status of "delivered", please contact customer service for assistance.
An item is missing from my shipment.
Click the "My Account" link at the top right hand side of our site to track your order status. Be sure that all of the items in your order have shipped already. If you order displays your Package Tracking Numbers, check with the shipper to confirm that your packages were delivered. If your packages each show a status of "delivered", please contact customer service for assistance.
My product is missing parts.
Click the "My Account" link at the top right hand side of our site to track your order status. Be sure that all of the items in your order have shipped already. If you order displays your Package Tracking Numbers, check with the shipper to confirm that your packages were delivered. If your packages each show a status of "delivered", please contact customer service for assistance.
When will my backorder arrive?
Backordered items are those which our suppliers are unable to predict when they will have more in stock, but as soon as they do, we will be able to ship the item to you.
Warranty
Why Choose HSSL?
We connect businesses with the right technology solutions to power growth, security, and efficiency.

Expertise
Backed by years of industry knowledge, our specialists understand the challenges modern businesses face.

Partnerships
We collaborate with top-tier technology providers to bring you innovative & high-performance products.

End-to-End Support
Our dedicated support ensures your systems stay optimized, secure, and ready for what’s next.

Scalable Solutions
Our adaptive approach ensures your IT infrastructure evolves seamlessly as your business expands.
Expert in IT & Security Solutions
At HSSL, we specialize in delivering cutting-edge IT infrastructure, cloud, and cybersecurity services that empower businesses to thrive in a digital-first world. Our trusted professionals provide reliable insights on:
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Digital Transformation Strategy
Empowering businesses to adapt and grow through modern, secure, and scalable digital infrastructure.
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Advanced Cybersecurity
Protecting your organization from digital threats with proactive monitoring and smart security frameworks.
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Cloud & Infrastructure Management
Optimizing cloud performance and IT operations for seamless scalability and improved business agility.
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Data Backup & Recovery
Ensuring business continuity through secure data management, automated backups, and rapid recovery solutions.
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Network & Endpoint Solutions
Delivering secure, high-performance networking systems that keep your business connected and efficient.
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Technology Consulting
Guiding organizations toward smarter IT investments and solutions that align with their long-term goals.

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