1. Вовед
The POWERTECH MP3752 is an intelligent and lightweight solar charge controller designed to manage the power flow from your solar panels to your battery bank. Utilizing Pulse Width Modulation (PWM) technology, it ensures efficient and safe battery charging. This controller offers a set-and-forget operation, providing maximum charge into your batteries without constant monitoring. It integrates essential safety features such as overload, short-circuit, over-discharge, and reverse-polarity protection. Additionally, a convenient USB port on the front panel allows for up to 1.2A charging, useful for mobile devices during power outages. The unit supports various battery types including sealed lead-acid, Gel, and flooded cells, and automatically selects the optimal charging mode (bulk, equalise, float).
2. Информации за безбедност
Please read all instructions carefully before installation and operation. Failure to follow these instructions may result in damage to the unit, battery, or personal injury.
- Пред да вклучите струја, проверете дали сите врски се точни и безбедни.
- Do not connect the solar controller to an AC power source.
- Инсталирајте го контролерот во добро проветрено место, подалеку од запаливи материјали и директна сончева светлина.
- Avoid short-circuiting the battery terminals or solar panel terminals.
- Always connect the battery first, then the solar panel, and finally the load. Disconnect in reverse order.
- This device is not waterproof; protect it from moisture and water.
- Само квалификуван персонал треба да врши инсталација и одржување.
3. Карактеристики на производот
- Automatic charge mode selection (Bulk, Equalise, Float).
- Suitable for both 12V and 24V battery banks.
- Integrated USB charging port (5V, 1.2A max) on the front panel.
- Supports sealed lead-acid, Gel, and flooded battery types.
- Comprehensive protection features: overload, short-circuit, over-discharge, reverse-polarity.
- Pulse Width Modulation (PWM) charging technology.
4. Содржина на пакетот
Ве молиме проверете ја содржината на пакетот по приемот:
- 1 x POWERTECH MP3752 Solar Controller
- 1 x Упатство за употреба (овој документ)
5. Производот завршиview и Врски

Слика 1: Предна страна view of the POWERTECH MP3752 Solar Controller. This image displays the PV LOAD, UVW, LVD, Load ON, Over Load, Short-Circuit indicators, the USB port, and the connection terminals for solar panels, battery, and load.
The MP3752 controller features clearly marked terminals for easy connection. Refer to Figure 1 for a visual guide to the controller's layout and indicators.
Терминали за поврзување:
- Solar Panel Input (PV): Connect your solar panel array here. Ensure correct polarity (+ and -).
- Поврзување со батерија: Connect your 12V or 24V battery bank here. Observe correct polarity (+ and -).
- Вчитување на излез: Connect your DC loads (e.g., lights, fans) here. Observe correct polarity (+ and -).
- USB порта: 5V, 1.2A max output for charging small electronic devices.
6. Поставување и инсталација
Следете ги овие чекори за правилна инсталација на вашиот соларен контролер за полнење:
- Монтирање: Choose a dry, well-ventilated indoor location, away from direct sunlight, high temperatures, and moisture. Ensure sufficient air circulation around the controller.
- Поврзување со батерија:
- Connect the positive (+) terminal of the battery to the battery positive (+) terminal on the controller.
- Connect the negative (-) terminal of the battery to the battery negative (-) terminal on the controller.
- The controller will automatically detect if it's a 12V or 24V system.
- Поврзување на соларни панели:
- Connect the positive (+) terminal of the solar panel to the solar panel positive (+) terminal on the controller.
- Connect the negative (-) terminal of the solar panel to the solar panel negative (-) terminal on the controller.
- Ensure the open-circuit voltage of the solar panel does not exceed the maximum input voltage of the controller (typically 50V for 12/24V systems).
- Вчитај врска:
- Connect the positive (+) terminal of your DC load to the load positive (+) terminal on the controller.
- Connect the negative (-) terminal of your DC load to the load negative (-) terminal on the controller.
- Do not exceed the maximum rated current for the load output (20A).
- Потврдете ги врските: Double-check all connections for correct polarity and tightness before proceeding.

Figure 2: The POWERTECH MP3752 Solar Controller shown in its packaging, illustrating its application with solar panels. This image provides a contextual view of the product's intended use.
7. Упатства за работа
7.1. Automatic System Voltagд Препознавање
The controller automatically detects whether the connected battery bank is 12V or 24V upon initial connection. Ensure the battery is connected first for proper voltagд откривање.
7.2. Режими на полнење
The MP3752 employs intelligent PWM charging, automatically cycling through different stages to optimize battery health and lifespan:
- Масовно полнење: Delivers maximum current to rapidly bring the battery to approximately 80% charge.
- Equalise Charge: Periodically applies a higher voltage to equalize the charge among battery cells, preventing sulfation and extending battery life (for flooded batteries).
- Полнење на плови: Ја одржува батеријата целосно наполнета со обезбедување мал, константен волумен.tage, compensating for self-discharge.
7.3. Load Control
The load output is controlled by the controller to prevent over-discharge of the battery. When the battery voltage паѓа под Нискиот волуменtage Disconnect (LVD) threshold, the load output will be automatically disconnected. It will reconnect once the battery has recharged to the Low Voltage Reconnect (LVR) threshold.
Press the power button on the controller to manually turn the load output ON or OFF.
7.4. USB порта за полнење
The 5V, 1.2A USB port can be used to charge small electronic devices like smartphones or tablets. This port is active as long as the battery has sufficient charge.
8. Индикатори
The POWERTECH MP3752 features several LED indicators to provide real-time status information:
- PV LOAD (Solar Panel Indicator):
- Зелена: Solar panel is connected and generating power.
- Исклучено: No solar input or insufficient light.
- Индикатор за полнење:
- Зелена: Батеријата се полни.
- Исклучено: Battery is fully charged or not charging.
- Overvoltagд Индикатор:
- Црвено: Влез волtage from solar panel is too high, or battery voltage is overcharge protection level.
- UVW (Battery Voltage Indicator): Multiple LEDs indicating battery charge level.
- LVD (Low Voltage Disconnect Indicator):
- Црвено: Волумен на батеријаtage is low, load output has been disconnected.
- Индикатор за вклучено оптоварување:
- Зелена: Load output is active.
- Over Load Indicator:
- Црвено: Load current exceeds the maximum rated current. Load output may be temporarily disconnected.
- Short-Circuit Indicator:
- Црвено: Short-circuit detected on the load output. Load output will be disconnected.
9. Одржување
To ensure optimal performance and longevity of your solar charge controller, regular maintenance is recommended:
- Чистење: Periodically clean the exterior of the controller with a dry, soft cloth. Do not use solvents or abrasive cleaners.
- Врски: Annually check all wiring connections for tightness and corrosion. Loose connections can cause overheating and poor performance.
- Вентилација: Ensure that the ventilation openings are not blocked and that there is adequate airflow around the unit.
- Инспекција: Проверете го контролерот за какви било знаци на физичко оштетување, промена на бојата или необични мириси.
10 Смена на проблеми
| Проблем | Можна причина | Решение |
|---|---|---|
| Нема полнење од соларен панел. |
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| Load output not working. |
|
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| Overvoltage индикаторот е вклучен. |
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11. Спецификации
| Параметар | Вредност |
|---|---|
| Број на модел | MP3752 (03617080) |
| Систем Voltage | 12V/24V Auto-sensing |
| Макс. Струја на полнење | 20 А |
| Макс. Вчитај струја | 20 А |
| USB излез | 5V, 1.2A Макс |
| Тип на полнење | PWM (Bulk, Equalise, Float) |
| Поддржани типови батерии | Sealed Lead-Acid, Gel, Flooded |
| Димензии на производот | 5.83 x 3.39 x 1.38 инчи |
| Тежина на ставката | 5.6 унци |
| Производител | POWERTECH |
| Бренд | Ayајкар |
12. Гаранција и поддршка
This product is covered by a standard manufacturer's warranty against defects in materials and workmanship. Please refer to your purchase documentation for specific warranty terms and duration. For technical support, troubleshooting assistance, or warranty claims, please contact your retailer or the manufacturer directly.
Note: Unauthorized disassembly or modification of the product will void the warranty.





