1. Introduktion
This manual provides detailed instructions for the safe and efficient operation of your DLYFULL UT4 USB Multi-Charger. Please read this manual thoroughly before use and retain it for future reference.

Figur 1: Forside view of the DLYFULL UT4 USB Multi-Charger, displaying battery status and charging modes.
2. Sikkerhedsoplysninger
To prevent injury or damage to the charger and batteries, always observe the following safety precautions:
- Use only compatible batteries as listed in the specifications.
- Forsøg ikke at oplade ikke-genopladelige batterier.
- Udsæt ikke opladeren for vand, høj luftfugtighed eller ekstreme temperaturer.
- Opbevares utilgængeligt for børn.
- Opladeren må ikke skilles ad eller modificeres.
- Sørg for korrekt ventilation under opladning.
3. Pakkens indhold
Bekræft at alle varer er til stede i pakken:
- DLYFULL UT4 USB Multi-Charger
- USB Type-C Cable (may vary by region)
- Brugervejledning (dette dokument)
4. Opsætning
4.1 Tilslutning af strømforsyningen
- Connect the provided USB Type-C cable to the input port on the back of the DLYFULL UT4 charger.
- Connect the other end of the USB Type-C cable to a compatible USB power adapter (DC 5V / 2A recommended, not included).
- The charger display will illuminate, indicating it is ready for use.

Figur 2: Bagside view of the DLYFULL UT4 charger, highlighting the USB Type-C input and USB-A output ports.
5. Betjeningsvejledning
5.1 Isætning af batterier
The DLYFULL UT4 features four independent charging slots. Insert compatible rechargeable batteries into the slots, ensuring correct polarity (+ and -). The charger will automatically detect the battery type and display its current voltage.
5.2 Valg af driftstilstande
The charger supports various operating modes. Use the "MODE" button to cycle through available options for the selected slot. Use the "SLOT" button to select which battery slot to configure.
- OPLADE: Standard opladningstilstand.
- UDLADNING: Discharges the battery to a safe level before recharging (useful for Ni-MH batteries to reduce memory effect).
- OPDATER: Charges, discharges, and then recharges the battery to optimize capacity and extend battery life.
- PRØVE: Measures the actual capacity of the battery.
5.3 USB Output Function
The charger can also function as a power bank to charge external devices. To use this feature:
- Ensure a charged battery is inserted into Slot 1.
- Connect your external device (e.g., smartphone) to the USB-A output port on the back of the charger.
- The charger will provide up to 5V / 2A output.

Figure 3: The DLYFULL UT4 charger in use, demonstrating battery insertion and showing included battery sleeves.
6. Vedligeholdelse
- Clean the charger with a dry, soft cloth. Do not use abrasive cleaners or solvents.
- Hold opladningsåbningerne fri for støv og snavs.
- Opbevar opladeren på et køligt, tørt sted, når den ikke er i brug.
7. Fejlfinding
- Opladeren tænder ikke:
Ensure the USB Type-C cable is securely connected to both the charger and a working power source. Verify the power source provides DC 5V / 2A.
- Batteri oplades ikke:
Check that the battery is inserted with correct polarity. Ensure the battery is compatible with the charger. Try cleaning the battery contacts and charger terminals.
- "Low Input" message on display:
This indicates the input power supply is insufficient. Use a power adapter that provides at least DC 5V / 2A.
8. Specifikationer

Figure 4: Original specifications table for the DLYFULL UT4 charger.
| Feature | Detalje |
|---|---|
| Model | UT4 (Multi-Charger) |
| Input | DC 5V / 2A (USB Type-C) |
| USB udgang | 5V / 2A Max (from Slot 1) |
| Ni-MH Charging Current | 1A (for 1.48V batteries) |
| Ni-MH Discharge Current | 350mAh |
| Driftstemperatur | 0℃ til 40℃ |
| Li-ion Max Protection Voltage | 4.20V ± 0.05V |
| Ni-MH Max Protection Voltage | 1.53V ± 0.05V |
| Kompatible batterier |
|
| Certificeringer | CE, RoHS |
| Farve | Sort |
Note: Up to two Ni-MH batteries of size AA can be set simultaneously.
9. Garantioplysninger
Specific warranty details for the DLYFULL UT4 USB Multi-Charger are not provided in this document. Please refer to the product packaging, the official DLYFULL website, or contact your retailer for warranty terms and conditions.
10. Kundesupport
For technical assistance, troubleshooting, or general inquiries regarding your DLYFULL UT4 USB Multi-Charger, please visit the official DLYFULL website or contact their customer support channels. Contact information may also be available on the product packaging.




