Do you offer sample orders?

Yes, samples are available. Most sample fees can be returned when you place a large order.

What shipping methods are available?

We offer shipping by sea, air, and door-to-door express services like DHL, FedEx, TNT, UPS, and EMS.

What is the warranty policy?

All goods are checked one by one, and we provide a considerate exchange and refund policy for customer satisfaction.

Dx16 Wholesale Large Capacity 20000mAh Fast Charging Mobile Power Bank

Name: Dx16 Wholesale Large Capacity 20000mAh Fast Charging Mobile Power Bank
Brand: Shenzhen Tina Nis Electronics Co., Ltd.
SKU: 2065804882

Guangdong, ChinaShenzhen Tina Nis Electronics Co., Ltd.

US$10.98

10-99 Pieces

US$9.88

100-499 Pieces

US$8.98

500-999 Pieces

US$7.98

1,000-4,999 Pieces

US$6.99

5,000+ Pieces

Sample price:US$15.00/piece.Request sample

Product profile

Customization

Available

Battery is Removable

Capacity

20000mAh

Model NO.

DX16

Compatible Brand

All

Carrying Way

Portable

Charging Type

Electric

Applicable Models

All

Cell Type

Li-Polymer

Display

With Display

LED Lighting

Without LED Lighting

Certification

CE, CB, TUV, RoHS, CTIA, PSE, KC, GOST-R, SASO

Socket Type

All

Recyclable

Net Weight

93.5g

Color

Black, Green, Pink

Charging

with Four Types of Cables

Battery Capacity

20000mAh

Type-C Imput

5V/2.1A

Type-C Output

5V/2.1A

Transport Package

English Package

Specification

88*79*25mm

Trademark

OEM

Origin

China

HS Code

8507600090

Production Capacity

5000000PCS/Years

Key features

High Capacity Battery: Features a large 20000mAh Li-Polymer battery for extended power.

Fast Charging Support: Equipped with Type-C input and output supporting 5V/2.1A fast charging.

LED Display: Built-in digital display to monitor battery level accurately.

Multiple Color Options: Available in Black, Green, and Pink to suit different preferences.

Comprehensive Certifications: Certified by CE, CB, TUV, RoHS, CTIA, PSE, KC, GOST-R, and SASO.

OEM and ODM Services: Customized logo and product designs are welcome for wholesale orders.

Fast Delivery: Ready to ship within 1-3 days after payment confirmation.

Quality Assurance: 100% inspection and testing before packing to ensure perfect quality.

Company profile

Fast DeliveryLow MOQCustomization from SamplesCustomization from Designs

Shenzhen Tina Nis Electronics Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 Year CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤7.23h

AI-Powered supplier vetting

SummaryShenzhen Tina Nis Electronics Co., Ltd. is a China-based limited trading company established on 2024-08-05 with three employees. It sells electronic products and offers earphones, headphones, and speakers, while also listing related communication, audio, mobile-device, and computer equipment products. The supplier reports Europe as its primary export market, 90% of sales from exports, Shenzhen as its nearest port, and order fulfillment within 15 working days in both peak and off-peak periods. Customization is stated to include sample, design, full, minor, and flexible customization. An SGS audit record exists for 2024-09-20 to 2025-09-19, but the audit result is recorded as “0” without an interpretable pass statement. The supplier has no available SDK, and service procedures, approved-supplier controls, corrective-action records, and complaint-handling procedures are explicitly absent. Financial data is represented only by years, so financial credibility cannot be assessed.

Supplier typeThe supplier is consistently identified as a trading company and limited company, based in China’s Guangdong province, with an electronics-focused business scope. Its listed activities cover electronic components, computer equipment, communication equipment, audio equipment, and mobile terminal devices, indicating a product trading and distribution model rather than confirmed manufacturing operations.

After-Sales capabilityThe supplier explicitly has no written procedures or followed records for service-capability assessment, corrective and preventive actions, or effective customer-complaint handling, and has no approved-supplier list. These stated control gaps indicate deficient documented after-sales and service-management capability.

R&D capabilityThe supplier has no available SDK, which is an explicit limitation in the stated research and development capability. It does report multiple forms of product customization, but that evidence concerns service flexibility rather than confirmed R&D or technology innovation capability.

Production capacityThe supplier is identified as a trading company with three employees and a listed manufacturing-plant area of 20.0 m², while annual output and delivery times are reported. These records do not establish substantial in-house manufacturing capacity; the small stated workforce and facility indicate limited confirmed production capability.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. This directly supports broad customization capability for its offered products.