Name: ESC-X033 10000/20000/30000MAH 27W Classic Big Capacity Power Bank
Brand: ESC
SKU: UHJvZHVjdDozMg==
Availability: InStock

Home/Products/20000mah/ESC-X033 10000/20000/30000MAH 27W Classic Big Capacity Power Bank

Customize the classic design with flexible capacities (10K/20K/30K mAh), ensuring stable and versatile market inventory.
Exceptional connectivity: features one USB-A and two Type-C ports (plus optional cables) for charging multiple devices simultaneously.
Achieve true original charging speed for any smartphone brand with comprehensive 27W protocol compatibility (PD, VOOC, FCP, etc.).
The large digital screen provides a precise, real-time battery percentage, effectively eliminating guesswork about your remaining power.
Its timeless black and silver design ensures a sleek, classic look that remains fashionable and perpetually relevant.
The robust 27W output and universal fast-charge support end battery anxiety, delivering lightning-fast, worry-free power every time.
Choose your setup: integrated cables or cable-free, offering flexibility tailored perfectly to diverse customer preferences.
We offer full B2B customization for capacity, color, logo, packaging, and specialized fast-charge protocol configuration.

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Description

Quality Management Flowchart

Product Specifications

Key Parameters
Used for Device	ECS-X033
Capacity(mAh)	10000/20000/30000
PD(Fast Charging)	Yes (PD27W)
Raw Materials	Waterproof+ABS
Battery Type	21700
LCD Display	YES
Color	BLACK/SILVER
Input	type-C1 In-put:5V-3A/9V-3A(27W Lighting In-put:5V-2.7A(13.5W
Output	type-C1 Out-put:5V-3A/9V-3A(27W type-C2 Out-put:5V-3A/9V-3A(2.7W
Size(MM)	1506829.5

1. Modular Design for B2B Versatility

Our charging solution offers unmatched flexibility. While the core is a powerful 10000mAh capacity power bank, the classic shell is fully customizable, supporting capacities up to 20,000mAh and 30,000mAh to suit various market demands. Connectivity is premium: choose between models with or without integrated cables, and leverage the one USB-A plus two Type-C ports to effectively act as a multi-device mobile phone charger. This stability in design coupled with capacity options simplifies sourcing for our B2B partners.

big power bank,20000mah power bank,

2. True 27W Universal Fast Charging

Say goodbye to charging anxiety and compatibility issues. This 27W fast charging power bank is engineered for universal performance, supporting virtually every major protocol including PD, Super VOOC, FCP, and SSCP. This guarantees that any smartphone plugged in will achieve genuine original equipment charging speeds. The powerful 27W output is monitored precisely by the built-in digital screen, assuring quick, reliable power delivery every time. Offer your customers a high-speed experience that truly stands above the competition.

3. Timeless Style & Full Customization

The power bank features a classic, enduring aesthetic available in timeless colors like black and silver, ensuring its perpetual market appeal. As your dedicated manufacturer, we provide complete control over branding. Beyond the base 10000mAh capacity power bank, we offer extensive customization for color schemes, logo branding, packaging, capacity options, and specialized fast-charge solutions. Partner with us to secure a premium 27W fast charging power bank that seamlessly merges high performance with your unique brand identity.

4.Classic Fast Charging Power Bank for Daily and Commercial Use

ESC-X033 is designed as a reliable, classic big-capacity power bank for everyday use and large-scale commercial distribution. With flexible capacity options of 10,000mAh, 20,000mAh, and 30,000mAh, this model allows brands and distributors to optimize inventory and product positioning while maintaining a consistent exterior design. The 27W fast charging output supports comprehensive charging protocols including PD, VOOC, FCP, and more, ensuring true original charging speed across major smartphone brands.

Equipped with one USB-A and two Type-C ports, and optional integrated cable configurations, ESC-X033 enables simultaneous charging of multiple devices in daily commuting, office work, travel, and shared usage environments. The large digital display clearly shows real-time battery percentage, improving user confidence and power management. Its timeless black and silver design ensures long-term visual relevance, making it suitable for extended product life cycles.

As a direct factory and manufacturer, we focus on power banks, fast charging power banks, wireless charging power banks, and MagSafe power banks. ESC-X033 reflects our strength in standardized manufacturing, protocol compatibility, and scalable production for global B2B markets.

5.Ideal for Mass-Market Brands, Distributors, and Everyday Users

ESC-X033 is ideal for everyday smartphone users, office workers, students, and frequent travelers who need dependable backup power without unnecessary complexity. Its classic design, broad protocol compatibility, and capacity flexibility make it suitable for users who value stability, universal fast charging, and long-term reliability. The option to choose between integrated cables or cable-free configurations allows the product to adapt easily to different usage habits and regional market preferences.

From a B2B perspective, ESC-X033 is especially well-suited for consumer electronics brands, distributors, wholesalers, and e-commerce sellers seeking a proven, high-volume fast charging power bank. Its standardized structure, customizable capacity, and neutral design simplify branding, reduce development risk, and accelerate time-to-market. Full customization options—including color, logo, packaging, and fast-charge protocol configuration—support both private label and branded programs.

As a professional power bank factory and OEM/ODM manufacturer, our product portfolio includes power banks, fast charging power banks, wireless charging power banks, and MagSafe power banks. With stable quality control, certified safety compliance, and reliable production capacity, we help global partners scale efficiently and compete confidently.

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.

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

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.