High-Capacity Power BanksPower Banks

20000mAh Power Bank with 20W Fast Charging for OEM/ODM

Use this product page to shortlist the model, then send quantity, target market, logo and packaging needs for factory MOQ, sampling plan and quote confirmation.

CustomizationLogo / color / packaging
Order typeOEM/ODM & bulk supply
MOQConfirm by model
Next stepSample & factory quote
Shenzhen manufacturer ISO/BSCI support Export-ready packaging

The GW-C25 is a 20W 20000mAh power bank designed to charge up to four devices, with USB-C and Micro inputs, USB output and included cables. Its ABS and PC enclosure is available in four colors for promotional gifts, bulk orders and qualified OEM/ODM projects.

Product Specifications

  • Model: GW-C25
  • Capacity: 20000mAh lithium-polymer battery
  • Charging power: Up to 20W
  • Inputs: USB-C and Micro-USB
  • Output: USB with included cables
  • Simultaneous device count: Up to four
  • Materials: ABS and PC
  • Colours: White, blue, orange or pink

OEM/ODM Support

Custom and wholesale power bank projects can include logo printing, packaging and tailored specifications. Share the target quantity, destination market, required port and cable layout, charging protocols, branding files, packaging format and document requirements.

When to shortlist GW-C25 power bank

The GW-C25 power bank configuration gives buyers evaluating 20W 20000mAh power bank a clear specification built around model: GW-C25; capacity: 20000mAh lithium-polymer battery; charging power: Up to 20W. Compare these details with the target devices, operating scenario and final order specification.

Product details at a glance

Buying detailProduct specification
ModelGW-C25
Capacity20000mAh lithium-polymer battery
Charging powerUp to 20W
InputsUSB-C and Micro-USB
OutputUSB with included cables
Simultaneous device countUp to four
MaterialsABS and PC
ColoursWhite, blue, orange or pink

RFQ scope: Include capacity and rated energy, input and output profiles, required ports or built-in cables, target devices, quantity, target market, branding and packaging.

Buyer FAQs for this configuration

Does the 20000mAh lithium-polymer battery capacity of GW-C25 power bank determine its charging speed?

No. Capacity describes the battery size, while charging speed depends on the input and output profiles. The specified input is USB-C and Micro-USB. The specified output is USB with included cables.

What should buyers verify behind the high-power claim for the GW-C25 configuration?

Input: USB-C and Micro-USB. Output: USB with included cables. Request the exact USB PD or PPS profiles, single- and multi-port allocation and a cable rated for the intended power. A maximum-wattage headline does not describe every port-use scenario.

In a sample review, which battery documents matter when the GW-C25 configuration will travel or ship by air?

The specified capacity is 20000mAh lithium-polymer battery. Use the exact model label and rated watt-hours for passenger rules, and request the model-specific battery transport documents for commercial shipping. Destination and carrier rules still apply.

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