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The 20A MPPT controller at a three-quarter angle, showing the finned top of the case, the black mounting bracket down one side and the terminal block along the bottom edgeAmptron BluPower 12V/24V 20A MPPT solar charge controller face on, part AT-SOLCHR-AM2420NV01, the blue case with an LCD screen, four status LEDs, four buttons and a printed table giving max PV Voc 100V, max charge current 20A and max PV power 300W at 12V or 600W at 24V, with six terminals along the bottom for panel, battery and load

Amptron

12V/24V 20A MPPT Solar Charger Controller

AT-SOLCHR-AM2420NV01

The Amptron 12V/24V 20A MPPT Solar Charge Controller with Bluetooth is a multi-peak maximum power point tracking controller with built-in Bluetooth for monitoring and configuration from Android and iOS devices. It suits LiFePO4, sealed lead acid, gel and AGM batteries.…

$180.00

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Suitable for a wide range of 12V and 24V systems, including RVs, caravans, marine vessels, solar energy storage, and industrial applications requiring dependable solar charge regulation.

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The Amptron 12V/24V 20A MPPT Solar Charge Controller with Bluetooth is a multi-peak maximum power point tracking controller with built-in Bluetooth for monitoring and configuration from Android and iOS devices.

It suits LiFePO4, sealed lead acid, gel and AGM batteries. The MPPT algorithm holds output through partial shading and increases charging efficiency by 15 to 20 percent over a PWM controller.

The controller supports temperature compensation and historical data storage, with protection against PV reverse polarity and reverse current. It is negatively grounded and supports RS485 Modbus for external communications. An optional external LCD monitor is available.

Also available in 40A

  • High-efficiency MPPT charging with peak efficiency exceeding 98%.
  • Built-in Bluetooth connectivity for Android and iOS devices.
  • Compatible with multiple battery types, including LiFePO₄.
  • Advanced protections for battery charging and discharging.
  • Supports temperature compensation and historical data storage.
  • LCD screen for displaying key operating information and parameter settings.

Product Code – AT-SOLCHR-AM2420NV01

Battery System Voltage – 12V/24V Auto (FLD/GEL/SLD), Manual (Li/User)

No-load Loss – 12mA (12V), 10mA (24V)

Max. Solar Input Voltage – <100Voc

Rated Charge Current – 20A

Max Load Output Current – 20A

Max. Usable Photovoltaic System Input Power – 300W/12V, 600W/24V

Light Control Voltage – 5V*n

Light Control Delay Time – 10s

Operating Temperature – -35ºC to +45ºC

IP Protection – IP32

Communication Port – RS485 Modbus protocol

Altitude – ≤ 3000m


Length: 179mm

Width: 150mm

Height: 70mm

Weight: 1.0kg

Source: manufacturer-verified

Ensure the battery is connected before connecting the solar panel to the controller. The controller can be mounted on a wall or solid surface. It features an LCD screen that displays key operating information and facilitates parameter settings

User Manual

Suitable for a wide range of 12V and 24V systems, including RVs, caravans, marine vessels, solar energy storage, and industrial applications requiring dependable solar charge regulation.

Q: Can this controller be used with lithium batteries?

A: Yes, it is compatible with Lithium Iron Phosphate (LiFePO₄) batteries, as well as Sealed Lead Acid, Gel, and AGM batteries

Q: Does the controller have Bluetooth connectivity?

A: Yes, it features built-in Bluetooth for easy monitoring and configuration via Android and iOS devices.

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