This compact charger uses Pulse Width Modulation (PWM) to charge 12V or 24V lead acid (sealed, gel or flooded) or 12V lithium battery banks, and supports 12V solar arrays up to 500W or 24VDC arrays up to 1000W. It is recommended for battery capacities 30Ah and above, and features two timer programs, three stage charging, including constant current, constant voltage and float charging. The backlit LCD screen displays real-time feedback on battery voltage, load voltage, PV voltage, time, etc. Two USB ports are provided to charge your USB gadgets. The fanless design is built into a durable case for permanent installation with heavy-duty screw terminals for cabling up to 10AWG. Safety features include over-voltage, low-voltage protection, reverse connection, short-circuit, over-current, and over-temperature protection.



• PWM control technology

• Backlit LCD with real-time energy stats, operational and fault message

• Temperature sensor for battery charging compensation

• Low-voltage disconnect/reconnect

• 3-stage charging

• 2 programmable timers

• Backlit LCD screen

• 2 x USB Ports


Battery support:

• Sealed, gel or flooded Lead Acid (12V/24V)

• LiFePO4 (12V)



Input Voltage Range: 16 ~ 50V

Max Input Power: 450W/12V, 900W/24V

Battery Type: Lead acid (Sealed, Gel, Flooded, AGM, Lithium)

Constant Voltage Charging Voltage: Lead-acid: 14.4V/28.8V

                                                          Lithium: 14.5V

                                                          AGM: 14.6V/29.2V

Recommended Battery capacity: 30Ah+

Typical Idle Consumption: 15mA max.

Load Recover Voltage: 12~13V/24~26V

MP3755 - 12V/24V 30A PWM Solar Charge Controller with LCD display for lead acid and Lithium batteries

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