1. Introduzzjoni
This manual provides essential information for the safe and efficient operation of your Powertech MB3904 8 Step Intelligent Lead Acid and Lithium Battery Charger. Please read this manual thoroughly before use and retain it for future reference.
2. Informazzjoni dwar is-Sigurtà
Dejjem osserva l-prekawzjonijiet tas-sigurtà li ġejjin:
- Ensure the charger is disconnected from the power supply before making or breaking connections to the battery.
- Uża l-ċarġer biss f'żoni ventilati sew.
- Evita li tiċċarġja batteriji ffriżati.
- Tesponix il-ċarġer għax-xita jew umdità eċċessiva.
- Żomm fejn ma jintlaħaqx mit-tfal.
- This charger is designed for 6V or 12V Lead Acid or LiFePO4 batteries only. Do not use with other battery types.
3. Kontenut tal-Pakkett
Ivverifika li l-oġġetti kollha huma preżenti fil-pakkett:
- Powertech MB3904 8 Step Intelligent Battery Charger Unit
- Batterija Clamp Konnetturi (Aħmar u Iswed)
- Ring Terminal Connectors
- Kurdun tal-Enerġija AC
- Manwal għall-Utent (dan id-dokument)

Image: The Powertech MB3904 battery charger unit shown with its various included accessories, including battery clamps, ring terminals, and the AC power cord.
4. Karatteristiċi tal-prodott
The Powertech MB3904 charger offers advanced features for optimal battery maintenance:
- 8-Step Charging Process: Ensures thorough and efficient charging for various battery types.
- Multi-Voltage Kompatibilità: Suitable for both 6V and 12V lead acid and LiFePO4 batteries.
- Protezzjoni Komprensiva: Includes overload, short circuit, reverse polarity, safety timer, and wrong battery protection.
- Indikaturi LED intuwittivi: Clearly display charge status and selected mode.
- Buttuna tal-Għażla tal-Modalità: Allows easy switching between charging modes.

Immaġni: Minn fuq għal isfel view of the Powertech MB3904 charger, highlighting the LED indicators for charge status and the 'MODE' button for selecting charging programs.
5. Setup
- Pjazzament: Place the charger on a stable, flat surface in a well-ventilated area, away from direct sunlight or heat sources.
- Konnessjoni tal-batterija: Ensure the battery terminals are clean. Connect the red (+) clamp/ring terminal to the positive (+) battery terminal and the black (-) clamp/ring terminal to the negative (-) battery terminal. Ensure a secure connection.
- Konnessjoni tal-Enerġija: Plug the AC power cord into a suitable wall outlet. The charger will enter standby mode.
6. Istruzzjonijiet Operattivi
6.1. Selecting Charging Mode
After connecting the battery and power, press the MODALITÀ button to cycle through the available charging programs. The corresponding LED will illuminate to indicate the selected mode:
- 12V 3.8A (Normal): Standard charging for 12V lead acid batteries.
- 12V 3.8A (Cold/AGM): For charging 12V lead acid batteries in cold conditions or AGM batteries.
- 12V 0.9A (Small): For charging smaller 12V lead acid batteries.
- 6V 3.8A: For charging 6V lead acid batteries.
- Lithium (12.8V/12V): For charging 12V LiFePO4 batteries.
- Tiswija: A special mode for desulfation of deeply discharged lead acid batteries.
6.2. Proċess tal-Iċċarġjar
Once a mode is selected, the charger will automatically begin the 8-step charging process. The progress LEDs (25%, 50%, 75%, 100%) will illuminate sequentially to indicate the battery's charge level. When the 100% LED is solid, the battery is fully charged.
6.3. Disconnecting the Charger
- Spluggja l-korda tal-enerġija AC mill-iżbokk tal-ħajt.
- Skonnettja l-iswed (-) clamp/ring terminal from the negative (-) battery terminal.
- Skonnettja l-aħmar (+) clamp/ring terminal from the positive (+) battery terminal.
7. Manutenzjoni
- Tindif: Clean the charger casinNaddaf b'ċarruta ratba u niexfa. Tużax prodotti tat-tindif jew solventi li joborxu.
- Ħażna: Aħżen il-ċarġer f'post frisk u niexef meta ma tkunx qed tuża.
- Spezzjoni tal-Cable: Periodically inspect the power cord and battery cables for any signs of damage. Do not use the charger if cables are damaged.
8 Issolvi l-problemi
| Problema | Kawża Possibbli | Soluzzjoni |
|---|---|---|
| Il-ċarġer mhux qed jixgħel. | No power from outlet; loose connection. | Check power outlet; ensure power cord is securely plugged in. |
| L-LED tal-iżball mixgħul. | Reverse polarity; short circuit; wrong battery type. | Check battery connections for correct polarity; inspect cables for shorts; ensure battery type matches selected mode. |
| Il-batterija mhix qed tiċċarġja. | Battery deeply discharged/damaged; incorrect mode selected. | Try "Repair" mode for lead acid batteries; test battery with a multimeter; ensure correct charging mode is selected. |
9. Speċifikazzjonijiet
- Mudell: MB3904
- Input Voltage: 220-240V AC, 50/60Hz
- Ħruġ Voltage: 6V / 12V DC
- Kurrent tal-Iċċarġjar: 0.9A / 3.8A
- Tipi ta 'Batteriji: Lead Acid (WET, MF, CA, EFB, GEL, AGM), LiFePO4
- Protezzjoni: Overload, Short Circuit, Reverse Polarity, Safety Timer, Wrong Battery
- Dimensjonijiet: Madwar 20.4 x 7.4 x 4.8 ċm
- Piż: Madwar 534 g
- Konformità: CE
10. Garanzija u Appoġġ
This Powertech product is covered by a standard manufacturer's warranty. For specific warranty terms and conditions, please refer to the warranty card included with your purchase or contact your retailer.
For technical support or service inquiries, please contact Jaycar Electronics customer service or visit their official websit. Żomm il-prova tax-xiri tiegħek għal talbiet ta' garanzija.
Elettronika Jaycar Websit: www.jaycar.com.au





