0
Home Dyson Vacuum Cleaner Replacement adapters Adapter for Dyson 20W 21.6V 0.78A 5.5*2.5MM
Adapter for Dyson 20W 21.6V 0.78A 5.5*2.5MM
Adapter for Dyson 20W 21.6V 0.78A 5.5*2.5MM
Adapter for Dyson 20W 21.6V 0.78A 5.5*2.5MM
Adapter for Dyson 20W 21.6V 0.78A 5.5*2.5MM
Adapter for Dyson 20W 21.6V 0.78A 5.5*2.5MM
Adapter for Dyson 20W 21.6V 0.78A 5.5*2.5MM
Adapter for Dyson 20W 21.6V 0.78A 5.5*2.5MM
Adapter for Dyson 20W 21.6V 0.78A 5.5*2.5MM
Adapter for Dyson 20W 21.6V 0.78A 5.5*2.5MM
Adapter for Dyson 20W 21.6V 0.78A 5.5*2.5MM
Adapter for Dyson 20W 21.6V 0.78A 5.5*2.5MM
Adapter for Dyson 20W 21.6V 0.78A 5.5*2.5MM
Product Safety Certification Make sure your adapter connector matches the picture before ordering.

High-Performance Dyson 20W 21.6V 0.78A 5.5*2.5MM Vacuum Cleaner Adapter Replacement – Long-Lasting & Reliable

  • SKUACUAD353
  • ConditionBrand New, Replacement
  • Input100-240V~0.8A 50/60Hz
  • OutPut21.6V-0.78A
  • Power20W
  • Connector5.5*2.5mm
  • Warranty1 Year
  • AvailabilityIn stock
  • Note* This package does not include the power cable by default; if needed, please specify in the order note.
Bank Transfer

Product Overview

🔌 High-Efficiency, Stable Power Adapter

This replacement adapter for the Dyson 20W 21.6V 0.78A 5.5*2.5MM features upgraded high-efficiency voltage conversion and regulation technology, combined with dual IC + MOS intelligent control chips. Its advanced circuitry ensures a stable and reliable power output—without sudden shutdowns, insufficient power supply, or voltage fluctuations. Whether you’re charging your vacuum or supplying continuous power for extended use, it delivers efficient, safe, and consistent performance to keep your device operating at its best.

🛡️ 10 Layers of Safety Protection

The adapter is equipped with ten comprehensive safety features, including over-voltage, over-current, overheating, short-circuit, and overload protection. Built-in current balancing and temperature-control technology help maintain stable operation even during long charging sessions or heavy-load usage, preventing damage to your device and extending the overall lifespan of both the adapter and battery.

⚙ Original-Level Compatibility — Plug and Play

Designed based on the original Dyson 20W 21.6V 0.78A 5.5*2.5MM adapter with a 1:1 precision-molded structure and intelligent identification chip, this replacement adapter ensures perfect compatibility. No tools are required—simply plug it in to begin charging your vacuum. Even first-time users can effortlessly install and operate it.

💎 Premium Materials for Safety and Durability

The adapter features a high-quality ABS V0 flame-retardant shell, offering triple protection against fire, dust, and moisture. High-conductivity copper wiring and gold-plated connectors improve electrical efficiency, reduce energy loss, and enhance charging speed and stability. Whether used in dusty workshop environments or humid areas, the adapter remains safe, reliable, and built to last.

🌍 Trusted International Certifications

Each 20W 21.6V 0.78A 5.5*2.5MM adapter undergoes multiple stages of rigorous testing and is certified by CE, RoHS, and FCC/MSDS, ensuring compliance with international safety, environmental, and export standards. No matter where you are—Europe, America, or Asia—you can use it with confidence.

Why Choose Us

  1. 17 Years of Experience: Specialists in battery R&D and manufacturing, trusted by over 2 million users across 84 countries – with consistently positive feedback.
  2. Worry-Free After-Sales Service: All 20W 21.6V 0.78A 5.5*2.5MM replacement adapters supports a 30-day worry-free return and a 12-month quality guarantee, allowing you to shop with confidence and peace of mind.
  3. Multiple Support Channels: Reach us via contact form, WhatsApp, Facebook, email, or live chat – our team is here to help anytime.
  4. Fast Aussie Dispatch: With local warehouses in Australia and across the globe, most orders arrive within 3–5 business days in Australia – quick and reliable delivery.
  • Over-temperature Protection

    Over-temperature Protection

  • Battery Cell Protection

    Battery Cell Protection

  • Pressure Relief

    Pressure Relief

  • EMI Protection

    EMI Protection

  • Over-discharge Protection

    Over-discharge Protection

  • Over-current Protection

    Over-current Protection

  • Secondary Protection

    Secondary Protection

  • Short-circuit Protection

    Short-circuit Protection

  • Overload Protection

    Overload Protection

  • Overcharge Protection

    Overcharge Protection

AolstecellAolstecellAolstecellAolstecellAolstecell

Customer Reviews

Compatible Adapter Part Numbers

Compatible Vacuum Cleaner Models

  • 20W 21.6V 0.78A 5.5*2.5MM
  • V8
  • V6
  • V7

Disclaimer: All batteries and adapters sold on VacuumCleanerBattery.com.au are replacement parts. VacuumCleanerBattery.com.au is not affiliated with any original manufacturers. Any trademarks or model names listed above are identified solely for compatibility purposes.

Shipping Methods

Payment Methods

We accept the following payment methods
PayPalPayPalPayments via PayPal do NOT require a PayPal account. PayPal is secure and free for buyers.
Credit or Debit CardCredit CardVISA, MasterCard, American Express, JCB, Diners Club, Maestro, and Laser Card, etc.
Bank TransferBank TransferIf no payment methods above are available to you, and your order amount exceeds $300, please contact our customer service to get our bank account and pay by bank transfer.
Google PayGoogle PayGoogle Pay-Easily pay online,in-store or send money
Apple PayApple PayApple Pay is easy to use and works with the Apple devices you use every day.You can shop safely in numerous stores,apps,and web pages without contact.

FAQ

1. Is this 20W 21.6V 0.78A 5.5*2.5MM adapter brand new?

Yes, all our adapters are brand new, unused, and undergo strict quality inspection before shipping to ensure safe and reliable performance.

2. Is the adapter performance the same as the original?

Our replacement adapters are built with premium components and stable voltage regulation, ensuring performance comparable to or even better than the original. They also meet international standards such as CE, RoHS, and FCC certifications, giving you peace of mind.

3. How do I confirm compatibility with my device?

You only need to check the voltage (V), current (A), and connector size against your original adapter. If these match, our Dyson 20W 21.6V 0.78A 5.5*2.5MM replacement adapter will work perfectly. If you are unsure, please contact our support team for assistance before purchase.

4. What warranty do you provide?

We offer a 30-day money-back guarantee and a 12-month warranty on all adapters. If you encounter any issues, our customer service team will provide quick replacements or refunds to ensure a worry-free purchase.

Best Selling Adapters

Adapter for Dyson V11

Replacement Adapter for Dyson V11

 Adapter for Dyson 969350-01

Replacement Adapter for Dyson 969350-01

 Adapter for Dyson DC45

Replacement Adapter for Dyson DC45

Popular Products

Adapter for Dyson DC31 Adapter for Dyson DC34 Adapter for Dyson V12 Adapter for Dyson V12S Adapter for Dyson V6 Adapter for Dyson XTD-2401000 Adapter for Dyson V7 Adapter for Dyson V8 Adapter for Dyson DC30 Adapter for Dyson XTD260800 Adapter for Dyson DC44 Adapter for Dyson 20W 21.6V 0.78A 5.5*2.5MM Adapter for Dyson 33W 30.45V 1.1A Adapter for Dyson DC35 Adapter for Dyson XTD-260800-1.1A Adapter for Dyson V10 Adapter for Dyson DC57 Adapter for Dyson 8.4W 24.35V 0.35A 7.4x5mm Adapter for Dyson DC56

Company Information

Customer Service

Delivery and Payment

Contact Us

Payment Methods

Bank Transfer

Shipping Methods

Follow us on

Copyright ©2025 vacuumcleanerbattery.com.au,  All rights reserved. Registered trademarks and trademarks are the property of their respective owners. vacuumcleanerbattery.com.au Not affiliated with any OEM brand. Brand and model names listed are only used to show the compatibility of these products with various machines.