Ronin R-4020 10000mAh Digital Display Power Bank 22.5W Fast Charging
Product Overview
For a high-capacity, fast-charging device like the Ronin R-4020, the description needs to focus on speed, safety, and the convenience of the digital display.1
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Ronin R-4020: 22.5W Ultra-Fast Power Bank (10,000mAh)
Never guess your battery level again. The Ronin R-4020 is a powerhouse of efficiency wrapped in a sleek, portable design.2 Featuring a crystal-clear LED Digital Display, this power bank gives you real-time accuracy of your remaining power, ensuring you are never caught with a dead phone.3
Why the R-4020 is a Must-Have:
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22.5W Super Fast Charging: Supports Huawei SuperCharge, PD (Power Delivery), and QC 3.0. Charge your smartphone from 0% to 60% in just 30 minutes!
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Intelligent Digital Display: The hidden-until-lit LED screen shows the exact percentage of battery remaining, so you know exactly when it’s time to recharge the bank.4
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Dual-Way Fast Charging: Not only does it charge your phone fast, but the power bank itself recharges at high speeds via the Type-C port.
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Pocket-Friendly Power: With a 10,000mAh capacity, it packs enough juice to charge an iPhone 15 or Samsung S23 approximately 2 times, yet it’s slim enough to fit in your jeans pocket.
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Multi-Device Charging: Equipped with multiple ports (USB-A and Type-C) to charge your phone and your earbuds at the same time.5
Technical Specifications
| Feature | Details |
| Model | Ronin R-4020 |
| Capacity | 10,000mAh / 37Wh |
| Max Output | 22.5W (Fast Charge) |
| Input Ports | Micro-USB & Type-C |
| Output Ports | USB-A & Type-C (PD) |
| Display Type | LED Digital Percentage Display |
| Safety Features | Over-voltage, Over-current & Short-circuit Protection |
Safety First (The Ronin Shield)
The R-4020 isn't just fast; it's smart. It utilizes Intelligent IC Technology to detect your device's specific power requirements and delivers the exact voltage needed, protecting your expensive smartphone battery from long-term degradation.
What’s in the Box?
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1 x Ronin R-4020 10,000mAh Power Bank
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1 x Fast Charging Type-C Cable
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1 x Warranty Card / User Manual
Premium Quality
Made with the finest materials for lasting durability
Fast Shipping
Quick delivery to your doorstep within 3-5 business days
Warranty Included
Protected with a comprehensive 1-year warranty
Customer Satisfaction
Trusted by thousands of happy customers worldwide