1. Introduzzjoni
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. Informazzjoni dwar is-Sigurtà
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.
- Ensure all connections are correct and secure before applying power.
- Do not connect the solar controller to an AC power source.
- Installa l-kontrollur f'żona ventilata sew, 'il bogħod minn materjali fjammabbli u dawl tax-xemx dirett.
- Evita li tagħmel short circuit fit-terminals tal-batterija jew fit-terminals tal-pannelli solari.
- Dejjem qabbad il-batterija l-ewwel, imbagħad il-pannell solari, u fl-aħħar it-tagħbija. Skonnettja f'ordni inversa.
- This device is not waterproof; protect it from moisture and water.
- Il-persunal kwalifikat biss għandu jwettaq l-installazzjoni u l-manutenzjoni.
3. Karatteristiċi tal-prodott
- 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. Kontenut tal-Pakkett
Jekk jogħġbok iċċekkja l-kontenut tal-pakkett mal-irċevuta:
- 1 x POWERTECH MP3752 Solar Controller
- 1 x Manwal tal-Utent (dan id-dokument)
5. Prodott Aktarview u Konnessjonijiet

Figura 1: Quddiem 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.
Terminali tal-Konnessjoni:
- Solar Panel Input (PV): Connect your solar panel array here. Ensure correct polarity (+ and -).
- Konnessjoni tal-batterija: Connect your 12V or 24V battery bank here. Observe correct polarity (+ and -).
- Ħruġ tat-Tagħbija: Connect your DC loads (e.g., lights, fans) here. Observe correct polarity (+ and -).
- Port USB: 5V, 1.2A max output for charging small electronic devices.
6. Setup u Installazzjoni
Follow these steps for proper installation of your solar charge controller:
- Immuntar: Choose a dry, well-ventilated indoor location, away from direct sunlight, high temperatures, and moisture. Ensure sufficient air circulation around the controller.
- Konnessjoni tal-batterija:
- 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.
- Konnessjoni tal-Panel Solari:
- 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).
- Konnessjoni tat-Tagħbija:
- 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).
- Ivverifika l-Konnessjonijiet: 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. Istruzzjonijiet Operattivi
7.1. Automatic System Voltage Rikonoxximent
The controller automatically detects whether the connected battery bank is 12V or 24V upon initial connection. Ensure the battery is connected first for proper voltagSejbien.
7.2. Modi ta 'ċċarġjar
The MP3752 employs intelligent PWM charging, automatically cycling through different stages to optimize battery health and lifespan:
- Ħlas Bulk: Jipprovdi l-massimu tal-kurrent biex iġġib il-batterija malajr għal madwar 80% ċarġ.
- Equalise Charge: Periodically applies a higher voltage to equalize the charge among battery cells, preventing sulfation and extending battery life (for flooded batteries).
- Ħlas Float: Maintains the battery at a full charge by providing a small, constant voltage, kumpens għall-awto-skarika.
7.3. Load Control
The load output is controlled by the controller to prevent over-discharge of the battery. When the battery voltage tinżel taħt il-Vol Baxxtage 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. Port tal-Iċċarġjar tal-USB
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. Indikaturi
The POWERTECH MP3752 features several LED indicators to provide real-time status information:
- PV LOAD (Solar Panel Indicator):
- Aħdar: Solar panel is connected and generating power.
- Mitfi: No solar input or insufficient light.
- Indikatur tal-Iċċarġjar:
- Aħdar: Il-batterija qed tiċċarġja.
- Mitfi: Battery is fully charged or not charging.
- Overvoltage Indikatur:
- Aħmar: Input voltage from solar panel is too high, or battery voltage is overcharge protection level.
- UVW (Battery Voltage Indicator): Multiple LEDs indicating battery charge level.
- LVD (Vol. Baxxtage Disconnect Indicator):
- Aħmar: Batterija voltage is low, load output has been disconnected.
- Load ON Indicator:
- Aħdar: Load output is active.
- Over Load Indicator:
- Aħmar: Load current exceeds the maximum rated current. Load output may be temporarily disconnected.
- Short-Circuit Indicator:
- Aħmar: Short-circuit detected on the load output. Load output will be disconnected.
9. Manutenzjoni
To ensure optimal performance and longevity of your solar charge controller, regular maintenance is recommended:
- Tindif: Periodically clean the exterior of the controller with a dry, soft cloth. Do not use solvents or abrasive cleaners.
- Konnessjonijiet: Annually check all wiring connections for tightness and corrosion. Loose connections can cause overheating and poor performance.
- Ventilazzjoni: Ensure that the ventilation openings are not blocked and that there is adequate airflow around the unit.
- Spezzjoni: Spezzjona l-kontrollur għal kwalunkwe sinjal ta’ ħsara fiżika, tibdil fil-kulur, jew irwejjaħ mhux tas-soltu.
10 Issolvi l-problemi
| Problema | Kawża Possibbli | Soluzzjoni |
|---|---|---|
| L-ebda ċċarġjar minn pannell solari. |
|
|
| Load output not working. |
|
|
| OvervoltagL-indikatur huwa mixgħul. |
|
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11. Speċifikazzjonijiet
| Parametru | Valur |
|---|---|
| Numru tal-Mudell | MP3752 (03617080) |
| Sistema Voltage | 12V/24V Auto-sensing |
| Max. Iċċarġjar Kurrent | 20A |
| Max. Kurrent tat-Tagħbija | 20A |
| Output USB | 5V, 1.2A Max |
| Tip ta 'ċċarġjar | PWM (Bulk, Equalise, Float) |
| Tipi ta 'Batteriji Supported | Sealed Lead-Acid, Gel, Flooded |
| Dimensjonijiet tal-Prodott | 5.83 x 3.39 x 1.38 pulzieri |
| Piż tal-oġġett | 5.6 uqija |
| Manifattur | POWERTECH |
| Brand | Jaycar |
12. Garanzija u Appoġġ
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.





