20000mAh High-Capacity Portable Power Bank
IST-PB20000 — Long-Lasting Power for Heavy Users & Travelers
IST-PB20000
Portable Power BankKey Features
- 20000mAh massive capacity — charge a smartphone 4-5 times on a single charge
- 20W USB-C PD Fast Charge — compatible with iPhone, Samsung, Huawei, and more
- Dual USB-A + Type-C output ports — charge your phone and tablet simultaneously
- LED power indicator — clear 4-level battery status display
- Flame-retardant ABS+PC shell — safety-certified battery management system
- CE, FCC, RoHS, UKCA certified — EU customs compliant documentation provided
Specifications
| Capacity | 20000mAh / 74Wh |
| Output | 22.5W Super Fast Charge |
| Input | Type-C 18W |
| Ports | 2×USB-A + 1×Type-C |
| Material | Aluminum Alloy |
| Size | 150×70×18mm |
| Weight | 340g |
Why Choose This Product
The IST-PB20000 delivers the perfect balance between capacity and portability. With 20000mAh of genuine battery capacity, it can fully charge most smartphones 4-5 times — ideal for frequent travelers, outdoor use, and corporate gift programs. The 20W PD fast charge output ensures quick top-ups, while dual ports let you charge two devices at once. Housed in a flame-retardant ABS+PC shell with built-in overcharge, over-discharge, and short-circuit protection, it meets the highest safety standards for the European market. Available for OEM/ODM customization with your brand logo, custom packaging, and tailored color options.
Frequently Asked Questions
How many charges can the IST-PB20000 provide?
Approximately 4-5 full charges for a typical 4000-5000mAh smartphone. Actual charges vary based on device, usage during charging, and cable quality.
Can I take this on a plane?
Yes. The 20000mAh (74Wh) capacity is within the 100Wh limit allowed by IATA for carry-on luggage. Always carry power banks in your hand luggage, not checked baggage.
What devices are compatible with 20W PD fast charging?
iPhone 8 and later, Samsung Galaxy S10 and later, Google Pixel series, iPad Pro/Air/Mini, Nintendo Switch, and most USB-C equipped smartphones and tablets.
Is custom packaging available for retail?
Yes. We design and produce custom retail packaging including branded boxes, inserts, and user manuals. Minimum 500 units for custom package.
Trusted by Global Partners
ISTYLE TECHNOLOGY has been manufacturing power banks and charging solutions since 2013. Our Shenzhen factory combines production expertise with modern automation to deliver reliable products that global businesses trust.
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