Auto swtich between Solar PV and DC dual charging Buck MPPT

Product Series: A12PA / A12PB / A24PA / A24PB

A12PA

12V

12.5A

180W PV Power

A12PB

12V

20A

300W PV Power

A24PA

24V

12.5A

300W PV Power

A24PB

24V

20A

560W PV Power

Key Features

  • PV+DC Dual charging: Solar PV + DC dual channel charging Auto swtich
  • MPPT maximum power tracking technology, tracking efficiency >99.9%
  • Supports simultaneous full-power charging and discharging
  • Supports multiple battery types: NMC, LFP, Lead-acid, Gel, Sodium batteries
  • Supports battery activation for lithium and lead-acid batteries
  • Supports charge current and full charge settings
  • Supports temperature compensation function
  • LCD display for real-time monitoring, SOC display supported

Communication

  • RS485 communication (Standard Modbus-RTU protocol, adjustable baud rate)
  • TTL communication (Standard Modbus-RTU protocol, adjustable baud rate)
  • Bluetooth communication (external optional)
  • Ethernet communication (external optional)
  • External 12V power supply supported

Protection Features

  • PV over-voltage, reverse polarity, short circuit protection
  • Night reverse charge protection, input power limit protection
  • Over-temperature, device over-temperature, battery over-temperature protection
  • Load short circuit, load overload protection
  • Battery over-voltage/over-discharge protection, battery reverse polarity protection

Applications

Solar Cameras RV Systems Off-Grid Cabins Monitoring Systems Communication Base Agricultural Irrigation
Get Quote Back to Products

Technical Specifications Comparison

Specification A12PA A12PB A24PA A24PB
System Platform 12V Platform 12V Platform 24V Platform 24V Platform
System Mode Buck Buck Buck Buck
Rated Charge Current 12.5A 20A 12.5A 20A
Max PV Input Current 10A 18A 10A 18A
Max Solar Panel Power 180W 300W 300W 560W
PV Open Circuit Voltage (Voc) <30V <30V <56V <56V
Recommended PV MPP Voltage 16V~24V 14V~24V 16V~44V 30V~50V
System Max Voltage 36V(ยฑ2%) 36V(ยฑ2%) 63V(ยฑ2%) 63V(ยฑ2%)
MPPT Tracking Efficiency >99.9% >99.9% >99.9% >99.9%
MPPT Tracking Speed <1ms <1ms <1ms <1ms
Charge Conversion Efficiency >96% >96% >96% >96%
Rated Load Current 10A 20A 10A 15A
Standby Power Consumption โ‰ค30mA โ‰ค30mA โ‰ค30mA โ‰ค30mA
Protection Level IP32 IP32 IP32 IP32
Operating Temp Range -35โ„ƒ~65โ„ƒ -35โ„ƒ~65โ„ƒ -35โ„ƒ~65โ„ƒ -35โ„ƒ~65โ„ƒ
Cooling Method Natural/Forced Natural/Forced Natural/Forced Natural/Forced
Dimensions (Lร—Wร—H) 97ร—170ร—32mm 97ร—170ร—37mm 97ร—170ร—32mm 97ร—170ร—37mm
Weight 0.36kg 0.57kg 0.47kg 0.55kg
Communication RS485/TTL/Bluetooth(optional)/Ethernet(optional)
LFP Battery 4S 4S 7~8S 7~8S
NMC Battery 3~4S 3~4S 6~7S 6~7S
Lead-acid/Gel Battery 1S 1S 2S 2S
Sodium Battery 3~4S 3~4S - -
External 12V Output <300mA <300mA <300mA <300mA

๐Ÿ“ฅ Product Manual Download

A12PA

V1.0 Version

Download Manual

A12PB

V1.0 Version

Download Manual

A24PA

V1.0 Version

Download Manual

A24PB

V1.0 Version

Download Manual

Product Features

โšก

PV+AUX Dual Input

Supports simultaneous solar PV and DC power dual input, flexibly adapting to different energy scenarios.

๐ŸŽฏ

99.9% MPPT Efficiency

Industry-leading MPPT maximum power tracking technology with >99.9% tracking efficiency and <1ms tracking speed.

๐Ÿ”‹

Multi-Battery Compatible

Supports NMC, LFP, Lead-acid, Gel, and Sodium batteries, configurable via DIP switch or software.

๐Ÿ”„

Full-Power Charge/Discharge

Supports simultaneous full-power charging and discharging to meet various application needs.

๐Ÿ›ก๏ธ

Multiple Protections

Comprehensive protection: PV over-voltage, reverse polarity, short circuit, night reverse charge, load overload/short circuit, etc.

๐Ÿ“ก

Multiple Communication

Supports RS485 (Modbus), TTL, Bluetooth (optional), Ethernet (optional) communication, with external 12V power supply.

Typical Applications

๐Ÿ“น

Solar Cameras

Provides stable power for security cameras with 24/7 uninterrupted monitoring.

๐Ÿš

RV Solar Systems

Ideal for RV camping with reliable solar charging solutions.

๐Ÿ 

Off-Grid Cabins

Independent power supply for remote cabins and kiosks.

๐Ÿ“ก

Communication Base

Stable power for communication equipment and sensor networks.

๐ŸŒฑ

Agricultural Irrigation

Green power support for agricultural irrigation equipment.

๐ŸŒ„

Field Power

Mobile power solutions for field operations and exploration.

Want to Learn More?

Our technical team can provide professional product consultation and technical support. OEM/ODM customization available.

Contact Us