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Item #:
152778837
onn 20,000 mAh Portable Power Bank with Fast Charging Output (20W), Dual USB-C ports, USB port, LED Digital Display, Black - Compatible with iPhone,
90% of respondents would recommend this to a friend
Item #:
152778837
TOP 107
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
In stock
Imported from USA store
QTY:
Only 12 items left in stock.
Order now and get it around Wednesday, October 07
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
High Capacity
With a powerful 20,000 mAh capacity, this power bank provides multiple charges for your devices, ensuring you stay powered throughout the day without frequent recharges.
Fast Charging
Equipped with 20W fast charging output, it delivers rapid power refill to your devices, minimizing downtime and keeping you connected when you need it most.
Multiple Ports
Featuring dual USB-C and USB ports, this power bank supports simultaneous charging of multiple devices, making it versatile and perfect for multi-device users.
Product Details
- This onn portable power bank gives you 20,000 mAh backup power for busy days, travel, and time away from an outlet. It delivers 20W fast charging output and includes two USB-C ports plus one USB-A port, so you can power up to three devices at the same time. The LED digital display makes it easy to check the remaining battery level at a glance. A 1 ft USB-C to USB-C charging cable is included, so you have a ready-to-use charging accessory in the box. Compatible with smartphones, tablets, earbuds, and other USB-powered devices, this portable battery helps keep your everyday tech powered when you need it most.
| Battery capacity | 20000 mAh |
| Watts | 20 W |
| Weight | 0.81 lb (370 grams) |
| Height | 1.42 in (3.61 cm) |
| Volts | 5 V |
| Cord length | 1 ft |
| Features | Short Circuit Protection, Overcharge Protection |
| Accessories | 1ft USB C to C charging cable |
| Brand | onn |
| Has written warranty | No |
Who Should Buy?
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Frequent Travelers
Ideal for travelers needing to charge multiple devices on-the-go during long flights or road trips.
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Heavy Device Users
Perfect for users who frequently use smartphones, tablets, and other devices that require constant charging.
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Emergency Backup
Useful for anyone seeking reliable emergency power during power outages or while camping outdoors.
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Minimal Device Users
Not ideal for users with minimal charging needs, as its capacity may be excessive and unnecessary.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What devices can the onn 20,000 mAh Portable Battery charge?
Answer: It can charge smartphones, tablets, and other USB-powered devices. -
Question:
How fast does it charge devices?
Answer: The battery features a fast charging output of 20W for efficient power delivery. -
Question:
How many devices can I charge at the same time?
Answer: You can charge up to three devices at once with its dual USB-C and one USB-A port.
onn All Power Banks Editorial Review
onn 20,000 mAh Portable Power Bank with Fast Charging Output (20W) is designed to keep your devices powered on the go with its impressive capacity. Featuring dual USB-C ports and an additional USB port, this power bank ensures compatibility with a wide range of devices including iPhones, iPads, AirPods, Samsung Galaxies, and Pixels. Users appreciate the LED digital display that provides clear information on battery usage. The built-in short circuit and overcharge protection enhances safety while charging, making it a reliable choice for daily use. At a lightweight of only 0.81 lb and compact dimensions, it is portable enough for travel or daily commuting.
Customer Reviews & Ratings
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Pros
- High capacity of 20,000 mAh for extended use
- Fast charging output of 20W for efficiency
- Multiple ports for versatile device compatibility
- Compact and portable design for easy carrying
- Includes a 1ft USB C to C charging cable
Cons
- Weight might feel noticeable in a small bag
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
AG
Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
H
Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
O
Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
AC
Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
TOP 107
Order now and get it around Wednesday, October 07
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Only 12 items left in stock.
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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
Features & Benefits
- High-capacity 20,000 mAh power bank for reliable energy.
- Fast charging output of 20W for efficient power delivery.
- Dual USB-C and one USB-A port allows charging of three devices simultaneously.
- LED digital readout shows remaining battery level clearly.
- Compatible with smartphones, tablets, and any USB-powered devices.
- Perfect for travel or daily use to ensure devices stay powered.
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