Home/Products/20000mah/ECS-X021 100W 20,000mAh Power Bank with TFT Display & Retractable Cable

Massive 100W/20000mAh capacity to confidently power laptops and high-demand devices on the go.
Integrated charging cables and multi-port design enable simultaneous, hassle-free charging for at least three devices.
Built-in LED flashlight adds emergency utility, ensuring visibility and safety during power outages or outdoor trips.
Precision LED display provides instant, accurate battery percentage, eliminating guesswork about remaining charge levels.
The ultimate portable power station, engineered to eliminate battery anxiety for worry-free travel and remote work.
Full safety certifications and transport approval ensure reliable, authorized usage for both domestic and international trips.
Customization is available, offering bespoke logo printing and packaging options for B2B wholesale orders.

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Description

Quality Management Flowchart

Product Specifications

Key Parameters
Used for Device	ECS-X021
Capacity(mAh)	20000
PD(Fast Charging)	Yes (PD100W)
Raw Materials	Waterproof+ABS
Battery Type	21700
LCD TFT Display	YES
Input	TYPE-C：5V/3A，9V/3A，12V/3A，15V/3A，20V/5A (100Wmax)
Output	TYPE-C：5V/3A，9V/3A，12V/3A，15V/3A，20V/5A，PPS：5-11V/5A，5-20V/5A (100Wmax) USBA：5V/3A，9V/2A，12V/1.5A (18Wmax)
Total Output(MAX)	1、TYPE-C：C（5V/3A，9V/3A，12V/3A，15V/3A，20V/5A）100Wmax+C（5V/3A，9V/3A，12V/3A，5-11V/4A）44Wmax，Total:144Wmax； 2、TYPE-C+USBA：C（5V/3A，9V/3A，12V/3A，15V/3A，20V/5A）100Wmax+A（5V/3A，9V/2A，12V/1.5A ）18Wmax，Total:118Wmax； 3、TYPE-C+USBA：C（5V/3A，9V/3A，12V/3A，15V/3A，20V/5A）100Wmax+A（5V/3A，9V/2A，12V/1.5A ）18Wmax，Total:118Wmax； 4、TYPE-C+TYPE-C+USBA：C（5V/3A，9V/3A，12V/3A，15V/3A，20V/5A）100Wmax+C+USBA（5V/3A）15Wmax，Total:115Wmax；
Size	5151110

Powerful 20,000mAh Capacity with 100W Fast Charging

As a leading manufacturer of high-performance power banks, we craft this 20,000mAh unit with true-to-spec capacity and blazing 100W output to keep devices running strong. It's built tough for bulk orders, ensuring your clients get reliable energy for phones, tablets, and more without downtime. Our factory-direct approach means competitive pricing and quick turnaround for wholesalers looking to stock a powerhouse that charges multiple gadgets efficiently.

Built-in Cables and Multi-Device Support for Convenience

Straight from our production line, this power bank features integrated cables plus extra Type-C and USB ports, letting users juice up at least three devices at once—no extra wires needed. B2B partners love how it simplifies travel gear for their customers, turning it into a must-have accessory. We emphasize safety certifications in every batch, so your brand stays protected while offering a compact, user-friendly 20000mAh solution that boosts satisfaction.

Handy LED Flashlight and Battery Display for Everyday Use

Our engineering team designed this 100W power bank with a bright LED light for emergency use and a clear screen showing exact battery percentage—perfect for outdoor pros or travelers. As manufacturers, we offer full customization like logo engraving and packaging tweaks to fit your B-end needs, making it easy to rebrand and sell. This feature-packed 20,000mAh model cuts anxiety over dead batteries, helping your business stand out with practical, durable products.

Certified Safety and OEM Customization for Business Growth

Factory-tested for top safety and transport standards, this power bank is ready for global shipping and wholesale deals. Tailor it with your logos or designs through our OEM services—ideal for retailers wanting exclusive variants. The 100W fast-charge capability paired with 20,000mAh capacity makes it a smart investment, streamlining outings and keeping electronics powered, all while we handle the manufacturing details for seamless supply.

Portable High-Power Charging Solution for Travel and Emergency Use

ECS-X021 is engineered to serve as a reliable portable power solution for travel, outdoor activities, and emergency scenarios where stable energy supply is critical. With a 100W fast output and a true 20,000mAh capacity, this power bank confidently supports laptops, tablets, smartphones, cameras, and other high-demand devices, making it ideal for business travel, remote work, exhibitions, camping, and unexpected power outages.

The integrated retractable charging cables and multi-port design allow at least three devices to be charged simultaneously, reducing cable dependency and improving efficiency in mobile environments. A built-in LED flashlight adds essential emergency functionality, providing visibility and safety during nighttime travel, outdoor use, or power interruptions. The precision LED display shows real-time battery percentage clearly, enabling accurate power planning and eliminating charging uncertainty.

As a direct factory and manufacturer, we specialize in power banks, fast charging power banks, wireless charging power banks, and MagSafe power banks. ECS-X021 reflects our manufacturing expertise in compact high-power solutions, safety-focused design, and scalable production for global B2B markets.

Ideal for Mobile Professionals, Travelers, and Brand Buyers

ECS-X021 is designed for mobile professionals, frequent travelers, outdoor users, and digital workers who depend on multiple electronic devices throughout the day. It is particularly suitable for business users needing laptop-grade power on the move, travelers seeking reliable backup energy, and outdoor enthusiasts who value both performance and emergency preparedness. The built-in flashlight and clear power display further enhance confidence in unpredictable environments.

From a B2B perspective, ECS-X021 is well-suited for consumer electronics brands, distributors, e-commerce sellers, and corporate procurement teams looking to add a dependable fast charging power bank to their portfolio. Its balanced capacity, high output, and practical design make it easy to position across travel, professional, and emergency-use markets.

As a professional power bank factory and OEM/ODM manufacturer, our core product lines include power banks, fast charging power banks, wireless charging power banks, and MagSafe power banks. With full safety certifications, transport approvals, and flexible customization options such as logo printing and packaging, we support global partners with stable quality and long-term manufacturing reliability.

Our Factory

Name: ECS-X021 100W 20,000mAh Power Bank with TFT Display & Retractable Cable
Brand: ESC
SKU: UHJvZHVjdDozMw==
Price: 1 USD
Availability: OutOfStock

Shenzhen ESC has specialized in the manufacturing of power banks, magnetic power banks, and fast charger products for over 15 years, with its factory situated in Dongguan city. The company boasts a comprehensive and advanced design, research and development, production, and sales team, all of which are under internal control. The unique exterior design and the fast charging technology, which surpasses that of competitors, enable customers to experience a distinctive product performance and a premium taste. Presently, all ESC products are compatible with Qi 2/PD3.0/PPS/QC2.0/QC3.0/FCP/SCP/AFC/APPLE2.4A/SAMSUNG 20V2.5A/BC1.2 up to 140W protocols. The products are produced in strict accordance with the standardized system, from research and development, design, mold opening to injection molding and hardware injection. Additionally, a professional team, rigorous management, and excellent equipment ensure the high and stable quality that is returned to customers and end-users. OEM and ODM orders are accepted with a fast lead time and special design capabilities. We extend a warm welcome to friends from across the globe to visit, provide guidance, and engage in business negotiations. Our goal is to achieve leadership in the industry through relentless effort and continuous enhancement of super-fast charging technology.

Our Certificates

OEM & ODM Service Process

Confirm samples detailed with customers

Pay sample fee and mold opening fee (no need to open mold, no change)

Design logo and package for customers

Make samples for customers

Confirm Order details

Pay the order deposit (30%-50%)

Prepare customized material for mass production

Confirm bulk samples with customers

Customers pay the balance

Delivery

After-sales 2417

Confirm samples detailed with customers

Pay sample fee and mold opening fee (no need to open mold, no change)

Design logo and package for customers

Make samples for customers

Confirm bulk samples with customers

Prepare customized material for mass production

Pay the order deposit (30%-50%)

Confirm Order details

Customers pay the balance

Delivery

After-sales 2417

Tips to Choose the Good Quality Power Bank

Power Bank Selection: Assess Your Needs

The first step is to determine your power needs based on the devices you plan to charge. For high-demand devices (like laptops and tablets), choose a high-capacity power bank, such as 20,000mAh or 30,000mAh. For smartphones and smaller gadgets, a capacity of around 10,000mAh is usually enough.

Look for Fast Charging

Prioritize power banks that support fast charging technologies to save time. Look specifically for Power Delivery (PD) or Quick Charge (QC). These features allow compatible devices to charge much faster, significantly cutting down charging time.

Check Ports and Compatibility

Look at the number and type of output ports on the power bank. Most power banks have USB-A ports. If you need to charge modern devices (like laptops or new phones), make sure the power bank includes a USB-C (or other specialized) port. Multiple ports are essential if you need to charge several devices at the same time.

Evaluate Safety Features

Safety is crucial for any portable charger. Always look for power banks that include built-in safety mechanisms: • Overcharge protection • Short-circuit protection • Temperature control These features protect both your devices and the power bank while charging.

Consider Brand Reputation and Quality

Always select a power bank from a reputable brand known for quality and reliability. Trusted brands use premium components and conduct rigorous quality checks. This ensures excellent performance and durability, giving you a product that will last.

Think About Portability and Design

Consider the power bank's size, weight, and overall design. For travel or everyday carry, choose a model that is compact and lightweight enough to fit easily into your pocket or bag. You may also want features like sleek designs, LED indicators, or ergonomic shapes for better convenience.

Read Customer Reviews

Before you buy, make sure to read customer reviews and ratings. Real user experiences offer valuable insights into the product's performance, reliability, and durability that you won't find anywhere else.

Check Compatibility

Always confirm that the power bank is compatible with your devices. It must be able to support the specific charging requirements (voltage, current) of your smartphone, tablet, laptop, or any other gadget you intend to charge.

Compare Price and Warranty

Compare prices based on the features, capacity, and brand reputation. Find a power bank that offers a good balance between price and performance within your budget. Check the manufacturer's warranty. A longer warranty period is a strong indicator of the brand's confidence in its product quality.