PowMr MPPT Solar Charge Controller POW-Keeper 12V/24V, 40A/30A/20A, LCD Display, Varied Load Control Modes, Li-ion Support

Introduction

The machine features a dual display function with both an LCD and an optional remote header. It includes a standard communication interface, making it convenient for user extension applications and catering to various monitoring needs. It is suitable for use in communication base stations, home power supply systems, traffic lights, solar street lamps, courtyard lamp systems, and more.

Features

• Advanced MPPT maximum power tracking technology ensures a tracking efficiency of no less than 99.5%.
• High-quality components enhance system performance with a maximum conversion efficiency of up to 97%.
• Super-fast maximum power tracking speed while maintaining high tracking efficiency.
• Accurate identification and tracking of the maximum power point in multi-wave peak conditions.
• Reliable maximum input power from the PV array ensures equipment safety.
• Wide PV array operating voltage range with 12/24V automatic voltage identification.
• Dynamic LCD display for operational data and working status viewing.
• Various load control modes: general mode, light control mode, dual time mode, pure charger mode, and timing mode.
• Supports charging processes for Seal, GEL, Flooded, LifePO4, and Li(NiCoMn)O2 batteries.
• Includes battery temperature compensation functionality.
• Power statistics recording function available.
• Supports external display units and peripherals for real-time data view and parameter setting.

Model Specifications

Model	POW-Keeper1220, POW-Keeper1230, POW-Keeper1240
Rated Charge Current	20A, 30A, 40A
System Rated Voltage	12V/24V Auto work
Voltage Range of Battery	8-32V
Max Open Voltage of PV Module	55V, 75V, 100V
Battery Type	User default, Sealed, Flooded, GEL, LiFePO4

Charging Voltage Levels

• Equalized Charging Voltage: Maintenance-free lead acid battery 14.6V; GEL: No; Lead acid flooded battery 14.8V
• Absorption Charging Voltage: Maintenance-free lead acid battery 14.4V; GEL: 14.2V; Lead acid flooded battery 14.6V
• Floating Charging Voltage: Maintenance-free lead acid battery, GEL, Lead acid flooded battery: 13.8V

Other Technical Details

• Low Voltage Re-connection (LVR): 12.6V
• Low Voltage Disconnection (LVD): 10.8V
• High Voltage Disconnection (HVD): 16V (24V x 2)
• Operating Temperature: -20°C to +55°C
• Protection Class: IP30
• Dimensions (LxWxH) mm:
  • 123x178x48
  • 135x202x55
  • 150x220x67

Package Includes

• 1 x PowMr MPPT Solar Charge Controller
• LCD Interface
• Load Terminal
• Temperature Sensor Interface (Selectable)
• Menu Button
• Photovoltaic Array Terminals
• Set Button
• Battery Terminal
• USB Output

Notice

If the remote temperature sensor is not connected, the controller will adjust the charging parameters based on a battery temperature of 25°C.