VOJSALDR DS 31V 050S

VOJSALDR 31V Charger Instruction Manual

Model: DS 31V 050S

1. Product Overview

This manual provides instructions for the VOJSALDR 31V Charger, designed as a replacement power adapter for specific 25.9V Lithium-Ion battery cordless stick vacuum cleaners. Please read this manual carefully before use to ensure proper operation and safety.

VOJSALDR 31V Charger with green indicator light

Image 1.1: The VOJSALDR 31V Charger, featuring a green LED indicator light when powered.

2. Compatible Models

This 31V charger is compatible with the following 25.9V Lithium-Ion battery cordless stick vacuum cleaner models:

  • UNINELL HOME UV3
  • Nexahome BVC-V11

Ensure your vacuum cleaner model matches one of the listed compatible models before use.

Image showing UNINELL UV3 and Nexahome BVC-V11 vacuum cleaners with the charger

Image 2.1: Visual representation of compatible vacuum cleaner models, UNINELL UV3 and Nexahome BVC-V11, with the charger.

3. Setup and Connection

  1. Inspect the Charger: Before first use, visually inspect the charger and its cable for any signs of damage. Do not use if damaged.
  2. Connect to Vacuum: Locate the charging port on your compatible vacuum cleaner. Insert the 2-pin connector of the charger firmly into the vacuum's charging port.
  3. Plug into Power Outlet: Plug the charger's AC adapter into a standard 100-240V AC wall outlet.
  4. Charging Indicator: The charger features a green LED indicator. When connected to power and charging, this light will illuminate.
VOJSALDR 31V Charger connected to a UNINELL HOME UV3 cordless vacuum cleaner plugged into a wall outlet

Image 3.1: The charger connected to a vacuum cleaner and plugged into a wall outlet, indicating the charging process.

Close-up of charger features including green light, stable output connector, and durable construction

Image 3.2: Detailed view of the charger's features, including the green charging indicator light and the robust 2-pin connector.

4. Operating Instructions

The VOJSALDR 31V Charger is designed for straightforward operation:

  • Charging Process: Once properly connected, the charger will automatically begin charging the vacuum cleaner's 25.9V Lithium-Ion battery. The green LED on the charger indicates active charging.
  • Fast Charging: This charger supports fast charging for compatible devices.
  • Disconnection: After the vacuum's battery is fully charged (refer to your vacuum cleaner's manual for full charge indication), first unplug the charger from the wall outlet, then disconnect the 2-pin connector from the vacuum.

5. Safety and Maintenance

5.1 Safety Precautions

  • Use only with specified 25.9V Lithium-Ion battery cordless stick vacuum cleaners (UNINELL HOME UV3, Nexahome BVC-V11).
  • Do not expose the charger to water or excessive moisture.
  • Do not disassemble or attempt to repair the charger. Refer to qualified personnel for service.
  • Avoid using the charger in extreme temperatures.
  • Unplug the charger from the wall outlet when not in use or during electrical storms.
  • The charger is equipped with intelligent protection technology, including over-voltage protection, short-circuit prevention, and over-current protection to ensure safe operation.
VOJSALDR 31V Charger with icons for various safety protections: Over Temperature, Overcurrent, Short Circuit, Overcharge, Overpower, Overvoltage

Image 5.1: The charger highlighting its multiple safety protection features.

5.2 Maintenance

  • Keep the charger clean and free from dust. Use a dry, soft cloth for cleaning.
  • Store the charger in a cool, dry place when not in use.
  • Avoid bending or crimping the power cord excessively to prevent internal damage.

6. Troubleshooting

Problem Possible Cause Solution
Charger LED not lighting up / Vacuum not charging
  • Charger not properly plugged into outlet.
  • Charger not properly connected to vacuum.
  • Power outlet is not active.
  • Charger or cable is damaged.
  • Ensure charger is fully inserted into a working wall outlet.
  • Verify the 2-pin connector is securely inserted into the vacuum's charging port.
  • Test the outlet with another device.
  • If damaged, discontinue use and replace the charger.
Slow charging
  • Vacuum battery issue.
  • Charger not receiving full power.
  • Refer to your vacuum cleaner's manual for battery troubleshooting.
  • Ensure the charger is plugged directly into a wall outlet, avoiding extension cords if possible.

7. Specifications

Model Number DS 31V 050S
Input 100-240V AC, 50-60Hz
Output 31V 500mA (0.5 Amps)
Connector Type 2-Pin
Cable Length 5.9 FT (1.8 meters)
Dimensions (Charger Body) Approximately 3.98 x 2.72 x 1.85 inches
Item Weight 3.2 ounces
Safety Certifications CE, FCC, RoHS Listed
Special Features Fast Charging, Over-voltage Protection, Short-circuit Prevention, Over-current Protection
Image showing the dimensions of the VOJSALDR 31V Charger

Image 7.1: Physical dimensions of the charger body and cable length.

FCC Supplier's Certificate of Conformity next to the VOJSALDR 31V Charger

Image 7.2: The charger displaying its FCC certification, ensuring compliance with safety standards.

8. Warranty and Support

Your VOJSALDR 31V Charger comes with the following:

  • 30-Day Refund Policy: A 30-day disclaimer refund from the date of purchase.
  • 12-Month Exchange: A 12-month exchange policy for product defects or malfunctions.

For warranty claims or technical support, please contact the seller or refer to your purchase documentation for contact information.

9. Video Resources

No official product videos are available for this item at this time.

© 2025 VOJSALDR. All rights reserved.

Ask a question about this manual

Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.