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1. 4X speed boost enables fast charging for mobile phones, tablets and laptops.
2. Supports a maximum output power of 45W, 15W faster than the original 30W, and fully supports fast charging for iPhone 17 Pro.
3. 4-port output (2C ports + 2A ports), capable of charging up to 4 devices simultaneously, meeting the needs of more devices sharing.
4. Supports 30W fast charging input, fully charged in about 3 hours, and 45W fast charging output, fully supporting fast charging for iPhone 17 Pro.
5. 20000mAh large capacity, can fully charge and discharge iPhone 17 Pro about 3 times.
6. Supports low current mode, can fully charge headphones, watches and bracelets.
7. Intelligent temperature control chip keeps low heat and is safer.
8. Supports charging for A port and C port devices, compatible with charging for various devices.
9. Smart digital display screen, battery level at a glance.
10. 36-month warranty, quality guaranteed for safer use.
Certification: CE/FCC/RoHS




JR-PBF02 Pro 45W Power Bank – Star Series 20000mAh High-Power Portable Charger with 4-Port Output & Smart Digital Display (Black)
The JR-PBF02 Pro 45W Power Bank from the Star Series is engineered to deliver heavy-duty, multi-device fast charging for smartphones, tablets, and modern laptops. Packing a robust 20000mAh (74Wh) polymer lithium battery capacity into a durable fire-retardant PC+ABS chassis, this JR-PBF02 Pro 45W Power Bank provides a maximum output power of 45W. Designed with a 4-port output configuration (2 Type-C ports and 2 USB-A ports) and a real-time smart digital display, it represents the ultimate power hub for business professionals, digital nomads, and intensive travelers.
Experience desktop-grade power on the move with the JR-PBF02 Pro 45W Power Bank. Delivering up to 45W Max output through its advanced Type-C ports, it provides a 4X speed boost that easily powers up mobile phones, high-end tablets, and USB-C compatible laptops. It fully supports fast charging protocols for modern flagships—providing approximately 3 full charges for an iPhone 17 Pro—while keeping your high-drain devices running at peak efficiency.
Never leave your secondary devices waiting for a charge. The JR-PBF02 Pro 45W Power Bank features a versatile 4-port architecture consisting of dual Type-C ports and dual USB-A ports. This allows you to power up to 4 devices simultaneously with a combined multi-port output of 5V⎓3A (15W Max). Whether you are sharing power with family members or charging multiple personal gadgets at your desk, it accommodates all your device-sharing needs effortlessly.
Minimize downtime with high-speed bi-directional replenishment. The JR-PBF02 Pro 45W Power Bank supports up to 30W fast charging input via its Type-C ports. When paired with a compatible high-wattage wall adapter, the massive 20000mAh internal battery fully recharges in approximately 3 hours, ensuring your power bank is always ready for your next adventure.
Stay completely informed about your power reserves at a glance. The large smart digital display shows exact remaining battery percentages in real time. Furthermore, the power bank supports a specialized low-current mode, making it safe and efficient to charge delicate low-power accessories such as wireless earbuds, smartwatches, and fitness trackers without risking over-charging.
Safety and durability are built into every core component. Powered by an advanced intelligent temperature control chip, the JR-PBF02 Pro 45W Power Bank maintains low operational heat during heavy charging sessions. Fully certified to CE, FCC, and RoHS standards, it incorporates multi-layer circuit protections against over-current, over-voltage, short-circuits, and thermal overload, backed by a comprehensive 36-month quality warranty.
Specs
| Weight | 580 g |
|---|---|
| Dimensions | 175 × 115 × 42 mm |
| Color | Black |
| Style | 20000mah |
| Model | JR-PBF02 Pro |
| Polymer Battery Capacity | 20000mAh 3.7V (74Wh) |
| Rated Capacity | 12000mAh (5V⎓3A) |
| Type-C1/Type-C2 Input | 5V⎓3.0A, 9V⎓3.0A, 12V⎓2.5A, 15V⎓2.0A, 20V⎓1.5A 30W (Max) |
| Type-C1/Type-C2 Output | 5V⎓3.0A, 9V⎓3.0A, 10V⎓2.25A, 12V⎓3.0A, 15V⎓3.0A, 20V⎓2.25A 45W (Max) |
| Material | PC+ABS fire-retardant material |
Reviews
Recommended purchase




Yes! With a maximum output power of 45W through its Type-C ports, the power bank delivers fast charging support for compatible USB-C laptops, tablets, and high-end smartphones.
You can charge up to 4 devices simultaneously using the 4-port configuration (2 Type-C ports and 2 USB-A ports), with a combined multi-port output of 5V⎓3A.
Thanks to 30W fast input support via the Type-C port, the power bank can be fully recharged from 0% in approximately 3 hours using a compatible fast wall charger.
Yes, the JR-PBF02 Pro features a dedicated low-current charging mode specifically designed to safely power Bluetooth headphones, smartwatches, and fitness bands.
The integrated smart LED digital screen shows the exact real-time remaining battery percentage, letting you monitor power levels precisely before heading out.
Reviews
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