1. Introduktion
The Dlyfull UT4 is a versatile 4-slot battery charger designed to accommodate a wide range of rechargeable battery types, including Li-ion, IMR, INR, ICR, Ni-MH, Ni-Cd, and LiFePO4. It features multiple operating modes such as Charge, Discharge, Refresh, and Test, along with a USB power bank function. This manual provides detailed instructions for safe and efficient use of your Dlyfull UT4 charger.
2. Sikkerhedsforanstaltninger
- Use the charger only with compatible battery types as specified in this manual. Attempting to charge incompatible batteries may result in damage or injury.
- Opladeren må ikke skilles ad, ændres eller kortsluttes.
- Avoid exposing the charger to water, high humidity, or extreme temperatures.
- Hold opladeren væk fra børn og kæledyr.
- Sørg for korrekt ventilation under drift for at forhindre overophedning.
- Disconnect the power supply when the charger is not in use or during cleaning.
- If any unusual behavior or damage is observed, discontinue use immediately and contact support.
- Note: Batteries are not included with this product.
3. Produktet er slutview
3.1 Komponenter
The Dlyfull UT4 charger features four independent charging slots, an LCD display, and two control buttons.

Billede: Forside view of the Dlyfull UT4 charger, showing the LCD screen, four battery slots, and two control buttons (MODE and SLOT).
3.2 Nøglefunktioner
- Universal kompatibilitet: Supports 3.7V Li-ion, 3.2V LiFePO4, IMR, INR, ICR, and 1.2V Ni-MH/Ni-Cd batteries.
- Flere driftstilstande: Charge, Discharge, Refresh, and Test.
- Intelligent LCD-skærm: A high-resolution LCD screen displays current operating mode, battery type, voltage (V), current (A), capacity (mAh), temperature (°C), and time (h), providing comprehensive status information.
- Hurtig opladning: The charger utilizes adaptive current technology, automatically adjusting the charging current up to 2A. A 2000mAh battery can be fully charged in approximately 1 hour. Input: USB Type-C 5V/2A.
- USB Power Bank funktion: Use a Li-ion battery in slot 1 to charge external devices via the USB output (5V/2A).
- Sikkerhedsbeskyttelse: The charger incorporates overcharge, overcurrent, overvoltage, temperaturkontrol og kortslutningsbeskyttelse.
- USB Type-C-indgang: 5V/2A input for power supply.

Image: The Dlyfull UT4 charger with icons representing its safety features: overcharge protection, overcurrent protection, overvoltage protection, temperature control, and short-circuit protection.
4. Opsætning
- Tilslut strøm: Connect the USB Type-C cable to the charger's input port and the other end to a 5V/2A USB power adapter (not included), PC, car charger, or power bank.
- Indsæt batterier: Carefully insert up to four compatible rechargeable batteries into the charging slots. Ensure correct polarity (+/-). The charger will automatically detect Ni-MH/Ni-Cd/Li-Ion batteries. For LiFePO4 batteries, manual selection is required (see Operating Modes).

Image: The Dlyfull UT4 charger with its USB-C input port, illustrating connection to a USB adapter, PC, car charger, solar panel, or power bank.
5. Driftstilstande
The Dlyfull UT4 offers four primary operating modes: Charge, Discharge, Refresh, and Test. Use the MODE og SLOT buttons to navigate and select functions.

Image: The Dlyfull UT4 charger's LCD screen displaying the available modes (Charge, Discharge, Refresh, Test) and battery slot indicators, with labels for battery type, voltage, capacity, temperature, current, and time.
5.1 Valg af tilstand
- After inserting a battery, the charger will display information for that slot.
- Tryk på SLOT button to select the desired battery slot (1, 2, 3, or 4).
- Tryk på MODE button to cycle through the available operating modes: Charge, Discharge, Refresh, Test.
- Once the desired mode is selected, the operation will begin automatically after a few seconds of inactivity, or you can press the MODE knappen igen for at bekræfte.
- For LiFePO4 batteries, after inserting, press the MODE button to manually select "LiFePO4" as the battery type.

Image: A close-up showing fingers interacting with the 'MODE' and 'SLOT' touch buttons on the Dlyfull UT4 charger's interface.
5.2 Mode Descriptions
- Oplade: Standard charging function. The charger will automatically detect the battery type (except LiFePO4) and apply an adaptive charging current.
- Udledning: Discharges the battery to eliminate memory effect, particularly useful for Ni-Cd batteries.
- Opfriske: Cycles the battery through discharge and charge cycles to restore its maximum capacity, often used for older batteries.
- Prøve: Measures and displays the actual capacity of the battery by fully discharging and then fully charging it. This process can take several hours.
5.3 Powerbankens funktion
The Dlyfull UT4 can function as a power bank to charge external devices. This function is available when a Li-ion battery is inserted into Slot 1.
- Ensure a charged Li-ion battery is in Slot 1.
- Disconnect the charger from its main power input (USB-C).
- Connect your external device (e.g., smartphone, MP3 player, tablet) to the USB-A output port on the charger.
- The charger will begin supplying 5V/2A power to your device.

Image: The Dlyfull UT4 charger with a Li-ion battery in slot 1, connected via its USB-A output to a smartphone, demonstrating its power bank capability.
6. Kompatible batterier
The Dlyfull UT4 charger supports a wide range of battery sizes and chemistries:
- 3.7V Li-ion / IMR / INR / ICR: 10340, 10350, 10440, 10500, 12340, 12500, 12650, 13450, 13500, 13650, 14350, 14430, 14500, 14650, 16500, 16340 (RCR123A), 16650, 17350, 17500, 17650, 17670, 18350, 18490, 18500, 18650, 18700, 20700, 21700, 22500, 22650, 25500, 26500, 26650, 32650.
- 3.2V LiFePO4: (Same sizes as Li-ion, manual selection required).
- 1.2V Ni-MH / Ni-Cd: A, AA, AAA, AAAA, C, SC, D.

Image: A visual representation of the Dlyfull UT4 charger's compatibility with various battery types, including 1.2V Ni-MH/Ni-Cd and 3.6V/3.7V Li-ion, and 3.2V LiFePO4 batteries, listing common sizes.
7. LCD Display Information
The intelligent LCD screen provides comprehensive real-time data:
- Mode: Indicates the current operating mode (Charge, Discharge, Refresh, Test).
- Batteritype: Displays detected or selected battery chemistry (Li-ion, LiFePO4, Ni-MH/Ni-Cd).
- Voltage (V): Nuværende batteri voltage.
- Nuværende (A): Current charging or discharging ampslette.
- Kapacitet (mAh): Accumulated capacity during charge/discharge or tested capacity.
- Temperatur (°C): Internal temperature of the charger or battery.
- Time (h): Forløbet tid for den aktuelle operation.
- Slotnummer: Indicates which battery slot's information is currently displayed.
8. Vedligeholdelse
- Rengør opladeren regelmæssigt med en blød, tør klud. Brug ikke slibende rengøringsmidler eller opløsningsmidler.
- Keep the charging slots free from dust and debris to ensure proper contact.
- Opbevar opladeren på et køligt, tørt sted, når den ikke er i brug.
- Undgå at tabe opladeren eller udsætte den for kraftige stød.
9. Fejlfinding
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Opladeren tænder ikke. | Ingen strømforsyning eller defekt kabel. | Check USB-C cable connection and power adapter. Ensure the power adapter provides 5V/2A. |
| Batteriet oplades ikke. | Incorrect battery insertion, incompatible battery, or faulty battery. | Re-insert battery with correct polarity. Verify battery type is compatible. Try a different battery. For LiFePO4, manually select the type. |
| LCD display shows "Low Input". | Utilstrækkelig strømtilførsel. | Ensure the power adapter provides at least 5V/2A. Use a higher quality USB-C cable. |
| Power bank function not working. | Charger connected to input power, non-Li-ion battery in slot 1, or low battery in slot 1. | Disconnect input power. Ensure a charged Li-ion battery is in Slot 1. |
| Charger or battery gets hot. | Normal during charging/discharging, but excessive heat indicates an issue. | Ensure adequate ventilation. If excessively hot, remove battery and disconnect power. Contact support if problem persists. |
10. Specifikationer
- Input: USB Type-C 5V/2A
- Output (Charging): Adaptive current (up to 2A per slot, automatically adjusted)
- Output (USB Power Bank): 5V/2A (from Slot 1 with Li-ion battery)
- Kompatible batterityper:
- 3.7V Li-ion / IMR / INR / ICR (e.g., 18650, 21700, 26650)
- 3.2V LiFePO4 (manual selection required)
- 1.2V Ni-MH / Ni-Cd (e.g., AA, AAA, C, D)
- Driftstilstande: Opladning, afladning, genopfriskning, test
- Vise: LCD med baggrundsbelysning
- Vægt: 279.99 gram
- UPC: 742354393468
11. Garanti og support
For warranty information and technical support, please refer to the official Dlyfull webwebstedet eller kontakt din forhandler. Gem din købskvittering som købsbevis.
Manufacturer: Dlyfull




