Introduction
This manual provides essential instructions for the safe and effective use of your onerbl 26.5V AC/DC Adapter. This power supply unit is designed to be compatible with Eicobot A13, A-13 Pro, A13Pro, and A-13Pro 150W 6-in-1 lightweight quiet stick cordless vacuum cleaners, specifically for charging their 22.2V 2200mAh 48.84Wh Li-ion batteries. Please read this manual thoroughly before use and retain it for future reference.
Safety Information
To ensure safe operation and prevent damage, please observe the following safety precautions:
- Use the adapter only with compatible devices as specified.
- Do not expose the adapter to water, moisture, or extreme temperatures.
- Avoid dropping or subjecting the adapter to severe impact.
- Do not attempt to open, modify, or repair the adapter. Refer servicing to qualified personnel.
- Ensure the power outlet voltage matches the adapter's input specifications (AC 100-240V).
- Disconnect the adapter from the power outlet when not in use or during electrical storms.
- Keep the adapter away from children.
Product Overview
The onerbl 26.5V AC/DC Adapter is a reliable power solution designed for specific Eicobot cordless vacuum cleaner models. It features a compact design and incorporates multiple protection mechanisms to ensure safe charging.

Image 1: The onerbl 26.5V AC/DC Adapter, showing the main unit with a standard US plug and the output cable coiled neatly.

Image 2: Front and side views of the adapter, highlighting its compact form factor and ventilation grooves.
Key Features:
- Input: AC 100-240V, 50/60Hz (Worldwide AC Input)
- Output: 26.5V, 0.5A (500mA)
- Power: 150W
- Over Voltage Protection
- Over Heat Protection
- Short-Circuit Protection
- Lightweight Design

Image 3: Illustration of the adapter's smart chip, providing multiple layers of protection including short-circuit, over-voltage, and over-current safeguards.

Image 4: Depiction of the adapter's durable design, highlighting the quality control and the internal copper wire with a protective PVC jacket for enhanced longevity.
Setup
Follow these steps to set up your onerbl AC/DC Adapter:
- Unpack: Carefully remove the adapter from its packaging.
- Inspect: Check the adapter and its cable for any visible damage. Do not use if damaged.
- Connect to Device: Insert the output connector of the adapter firmly into the charging port of your Eicobot A13 series cordless vacuum cleaner.
- Connect to Power Outlet: Plug the adapter's AC plug into a standard wall outlet (AC 100-240V). Ensure the outlet is easily accessible.

Image 5: The onerbl AC/DC Adapter connected to a power strip on a desk, demonstrating a typical setup for charging.
Operating Instructions
Once properly connected, the adapter will begin charging your Eicobot A13 series vacuum cleaner's battery. The charging indicator on your vacuum cleaner (if available) will typically show the charging status.
- Allow the battery to fully charge for optimal performance. Refer to your vacuum cleaner's manual for specific charging times.
- The adapter is designed for continuous use during charging, but it is recommended to disconnect it from the power outlet once the device is fully charged or when not in use for extended periods.
Maintenance
Proper maintenance ensures the longevity and safe operation of your adapter:
- Cleaning: Disconnect the adapter from the power outlet and the device before cleaning. Use a soft, dry cloth to wipe the exterior. Do not use liquid cleaners or solvents.
- Storage: Store the adapter in a cool, dry place away from direct sunlight and moisture when not in use. Avoid tightly coiling the cable to prevent damage.
- Cable Care: Regularly inspect the power cable for any cuts, fraying, or kinks. If any damage is observed, discontinue use immediately and replace the adapter.
Troubleshooting
If you encounter issues with your adapter, refer to the following table:
| Problem | Possible Cause | Solution |
|---|---|---|
| Adapter not charging device | Loose connection No power from outlet Incompatible device Damaged adapter/cable | Ensure all connections are secure. Test the outlet with another device. Verify device compatibility (Eicobot A13 series). Inspect for damage; replace if necessary. |
| Adapter feels hot during use | Normal operation Poor ventilation Overload/Fault | A slight warmth is normal. Ensure adequate ventilation around the adapter. If excessively hot, disconnect immediately and contact support. |
| Sparking when plugging in | Normal initial contact spark Faulty outlet/adapter | A small, brief spark is common. If sparking is continuous or excessive, disconnect and check the outlet/adapter for damage. |
Specifications
Detailed technical specifications for the onerbl 26.5V AC/DC Adapter:
| Specification | Value |
|---|---|
| Brand | onerbl |
| Manufacturer | Shenzhen Waweis Technology Co., Ltd |
| Compatible Devices | Eicobot A-13, A13PRO, A-13PRO (Cordless Vacuum Cleaners) |
| Input Voltage | AC 100-240 Volts |
| Output Voltage | 26.5 Volts |
| Current Rating | 0.5 Amps (500mA) |
| Wattage | 150 watts |
| Power Source | Corded Electric |
| Main Power Connector Type | 2 Pin (US Standard) |
| Special Feature | Lightweight Design |
| ASIN | B0CTC4C7M9 |
| Date First Available | January 26, 2024 |

Image 6: Visual representation of the adapter's dimensions (1.6 inch height, 2.6 inch length, 1.2 inch width) and the cable length (76 inches).
Warranty and Support
This product is typically covered by a standard return policy. For specific warranty details or technical support, please refer to the retailer's return policy or contact the manufacturer, Shenzhen Waweis Technology Co., Ltd, directly. Please retain your proof of purchase for any warranty claims.
- Return Policy: Generally, a 30-day return/replacement policy applies from the date of purchase.
- Manufacturer: Shenzhen Waweis Technology Co., Ltd