In the modern B2B landscape, staying connected is no longer a matter of convenience; it is a critical operational requirement. Whether it’s a field engineer performing on-site diagnostics or a corporate executive traveling between global regions, the tools they carry must be efficient, reliable, and clutter-free. The ESC-X017 55W Power Bank is engineered specifically to meet these professional demands.
By merging high-wattage 55W Power Delivery (PD) with an integrated retractable cable system, this unit eliminates the most common failure point in mobile power: the lost or damaged charging cable. This all-in-one powerhouse supports a full range of electronics—from smartphones and wearables to high-demand laptops—ensuring that professional users never have to compromise on speed or portability.
🏗️ 2. Key Features and Performance Benefits
The ESC-X017 isn't just a battery; it’s a sophisticated power management tool. Below is a breakdown of the unique selling points that make this unit a market leader in the mid-to-high-end segment.
Product Performance & Features Table
| Feature | Technical Specification | Operational Benefit for Users |
| Integrated Cable | 65CM Retractable Cable (Tested for 10,000+ pulls) | Eliminates cable clutter; guaranteed durability with a 1-year warranty. |
| Visual Interface | TFT LCD Display (Real-time Power & Voltage) | Professional monitoring of charging speeds and precise battery levels. |
| High Output | 55W PD Fast Charging | Capable of charging laptops, tablets, and drones at near-wall-outlet speeds. |
| Wearable Support | Built-in 3W Watch Wireless Charger | All-in-one solution for Galaxy Watch or Apple Watch without extra docks. |
| Multi-Port Charging | 1x USB-A + 1x Type-C + Integrated Cable | Charge up to 3 devices simultaneously without significant thermal throttling. |
| Shell Integrity | Waterproof + ABS Fire-resistant material | Rugged durability for outdoor fieldwork and industrial environments. |
| Cell Technology | High-density 21700 Battery Cells | Maximum energy density in a compact, pocket-friendly form factor. |
⚙️ 3. Technical Specifications and Key Parameters
The internal engineering of the ESC-X017 focuses on "High-Efficiency Power Distribution." By utilizing 21700 cells (the same standard used in electric vehicles), the unit maintains a stable voltage curve even under heavy 55W loads.
Detailed Input & Output Specifications
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Model: ECS-X017
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Capacity: 10,000mAh (Optimized for air travel compliance)
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Input (Recharging the Power Bank):
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Type-C1 Port: 5V/3A, 9V/3A, 12V/2.5A, 15V/2A, 20V/1.5A (45W Max Fast Input)
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Type-C2 Integrated Cable: 5V/3A, 9V/3A, 12V/2.5A, 15V/2A, 20V/1.5A (45W Max Fast Input)
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Output (Charging Your Devices):
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Type-C Port: Up to 20V/2.75A (55W Max)
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Integrated Type-C Cable: Up to 20V/2.75A (55W Max)
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USB-A Port: Up to 12V/2.5A (Supports SCP/VOOC protocols)
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Wireless Watch Output: 3W
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Dimensions: $127 \times 54 \times 28$ mm (Ultra-compact pocket design)
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Total Output (MAX): Intelligent distribution across all ports up to 55W.
🛡️ 4. Quality Control and Manufacturing Excellence
For B2B clients, quality assurance is paramount. The ESC-X017 is manufactured in facilities that adhere to ISO 9001 standards and strictly comply with the new China National Standard (GB 4943.1-2022).
Unlike entry-level chargers that use generic lithium-polymer cells, we exclusively utilize battery cells from publicly listed manufacturers. This ensures:
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Thermal Stability: Advanced separators prevent "thermal runaway" even during high-wattage 55W discharge.
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Safety Compliance: The cells are tested for puncture and high-pressure resilience. Under extreme stress, our cells are designed to swell rather than ignite.
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Longevity: Rated for hundreds of cycles with minimal capacity degradation, ensuring your brand is associated with long-term reliability.
🤝 5. OEM Customization and B2B Services
We provide a comprehensive "End-to-End" solution for brand owners and wholesalers. Whether you are looking to launch a new product line or provide branded gifts for a corporate fleet, our engineering team is ready to assist.
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Custom Branding: High-fidelity laser etching or silk-screen printing for your company logo.
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Cable Customization: Options for Type-C, Lightning, or Micro-USB retractable cables to match your target market’s devices.
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Packaging Design: Bespoke retail packaging or industrial bulk-packing for large-scale deployments.
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Firmware Optimization: We can customize the PD handshake protocols to better suit specific industrial hardware or proprietary tablets.
✈️ 6. Procurement and Supply Chain Logistics
With over 15 years of industry experience, our supply chain is optimized for speed, reliability, and competitive pricing.
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Minimum Order Quantity (MOQ): We support small businesses and large enterprises with MOQs starting at just 10 units.
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Lead Times: * First Orders: 30-35 Days (Includes initial customization setup).
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Massive/Repeat Orders: 20-25 Days.
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Global Shipping: Full support for Air Shipment (DHL/Fedex/UPS) for rapid restocking, and Sea/Train/Car Shipment for cost-effective bulk procurement.
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Sample Program: Free samples are available for qualified B2B partners to test quality and performance prior to mass production.
❓ 7. Frequently Asked Questions (FAQ)
Can this power bank charge a laptop?
Yes. The 55W output is specifically designed to charge ultrabooks and laptops that support USB-C Power Delivery (such as the MacBook Air, Dell XPS, and various Chromebooks).
How durable is the retractable cable?
The cable utilizes a high-quality spring-loaded mechanism and reinforced internal wiring, tested to withstand over 10,000 retraction cycles. We back this with a one-year warranty.
Is it safe to take on an airplane?
Absolutely. At 10,000mAh (approx. 37-38.5Wh), it is well within the 100Wh limit set by the FAA and IATA for carry-on luggage.
What safety protections are built-in?
The ESC-X017 features an intelligent chipset that provides protection against overcharge, over-current, short-circuit, and high-temperature thermal throttling.
📞 8. Call to Action
Future-proof your mobile power solutions today. The ESC-X017 55W Power Bank is the perfect intersection of high-speed performance and minimalist convenience.
Whether you are looking for an OEM partner or a reliable wholesale supplier, we invite you to experience the difference that 15 years of engineering expertise makes.
Contact us now for a customized quote or to request your free test sample. Let’s build a long-term strategic partnership focused on quality and innovation.
Shenzhen ESC is a leading power bank manufacturer with over 10 years of production experience. Specializing in fast-charging power banks and chargers, we feature an R&D team with listed company expertise and proprietary chip technology. Our high-power products deliver multi-brand fast charging compatibility without overheating.
Certified for quality and safety, our products are exported to dozens of countries worldwide.
Interested in OEM/ODM partnerships? Contact us today!
WhatsApp/WeChat: +86 18576695768
Email: amy@escpowerbank.com
YouTube: https://www.youtube.com/@escpowerbank
We look forward to powering your business!











