1. Увод
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. Безбедносне информације
Увек се придржавајте следећих мера предострожности:
- Ensure the charger is disconnected from the power supply before making or breaking connections to the battery.
- Користите пуњач само у добро проветреним просторијама.
- Избегавајте пуњење замрзнутих батерија.
- Не излажите пуњач киши или прекомерној влази.
- Чувати ван домашаја деце.
- This charger is designed for 6V or 12V Lead Acid or LiFePO4 batteries only. Do not use with other battery types.
3. Садржај пакета
Проверите да ли су све ставке присутне у пакету:
- Powertech MB3904 8 Step Intelligent Battery Charger Unit
- Батерија Цлamp Конектори (црвени и црни)
- Ring Terminal Connectors
- Кабл за напајање наизменичном струјом
- Кориснички приручник (овај документ)

Image: The Powertech MB3904 battery charger unit shown with its various included accessories, including battery clamps, ring terminals, and the AC power cord.
4. Карактеристике производа
The Powertech MB3904 charger offers advanced features for optimal battery maintenance:
- Процес пуњења у 8 корака: Ensures thorough and efficient charging for various battery types.
- Мулти-Волtagе Компатибилност: Suitable for both 6V and 12V lead acid and LiFePO4 batteries.
- Свеобухватна заштита: Includes overload, short circuit, reverse polarity, safety timer, and wrong battery protection.
- Интуитивни ЛЕД индикатори: Clearly display charge status and selected mode.
- Дугме за избор режима: Allows easy switching between charging modes.

Слика: Одозго надоле view of the Powertech MB3904 charger, highlighting the LED indicators for charge status and the 'MODE' button for selecting charging programs.
5. Подешавање
- Пласман: Place the charger on a stable, flat surface in a well-ventilated area, away from direct sunlight or heat sources.
- Повезивање батерије: 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.
- Прикључак за напајање: Plug the AC power cord into a suitable wall outlet. The charger will enter standby mode.
6. Упутство за употребу
6.1. Selecting Charging Mode
After connecting the battery and power, press the МОДЕ 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.
- 6В 3.8А: For charging 6V lead acid batteries.
- Lithium (12.8V/12V): For charging 12V LiFePO4 batteries.
- Поправка: A special mode for desulfation of deeply discharged lead acid batteries.
6.2. Процес пуњења
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
- Искључите кабл за напајање наизменичном струјом из зидне утичнице.
- Искључите црни (-) цлamp/ring terminal from the negative (-) battery terminal.
- Искључите црвени (+) цлamp/ring terminal from the positive (+) battery terminal.
7. Одржавање
- Чишћење: Clean the charger casinОбришите меком, сувом крпом. Не користите абразивна средства за чишћење или раствараче.
- Складиштење: Чувајте пуњач на хладном и сувом месту када га не користите.
- Инспекција каблова: Periodically inspect the power cord and battery cables for any signs of damage. Do not use the charger if cables are damaged.
КСНУМКС. Решавање проблема
| Проблем | Могући узрок | Решење |
|---|---|---|
| Пуњач се не укључује. | No power from outlet; loose connection. | Проверите утичницу; уверите се да је кабл за напајање чврсто прикључен. |
| Error LED illuminated. | Reverse polarity; short circuit; wrong battery type. | Check battery connections for correct polarity; inspect cables for shorts; ensure battery type matches selected mode. |
| Батерија се не пуни. | 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. Спецификације
- Модел: МБ3904
- Улазни волtage: 220-240В АЦ, 50/60Хз
- Оутпут Волtage: 6В / 12В ДЦ
- Струја пуњења: 0.9А / 3.8А
- Врсте батерија: Lead Acid (WET, MF, CA, EFB, GEL, AGM), LiFePO4
- Заштита: Overload, Short Circuit, Reverse Polarity, Safety Timer, Wrong Battery
- Димензије: Приближно 20.4 к 7.4 к 4.8 цм
- Тежина: Отприлике 534 г
- Усклађеност: CE
10. Гаранција и подршка
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 webсајт. Сачувајте доказ о куповини за потребе гаранције.
Џејкар Електроникс Webсајт: ввв.јаицар.цом.ау





