AMPTRON 12V/24V 20A MPPT SOLAR CHARGER CONTROLLER | SOLAR

This is an advanced high-efficiency and ultra-fast Multi-peak Maximum Power Point Tracking (MPPT) solar charge controller with built-in Bluetooth. The controller is customisable and compatible with several battery types including Lithium Iron Phosphate (LiFePO4) batteries. The controller supports temperature compensation and historical data storage to provide comprehensive monitoring of your solar system.

The Maximum Power Point Tracking algorithm increases the energy efficiency, typically 15% to 20% higher than traditional PWM charging efficiency.

• The controller is compatible with Sealed Lead Acid, Gel, AGM and Lithium Iron Phosphate batteries.
• Fast MPPT start with ultra fast of sweeping of the entire V-I curve.
• Smart MPPT algorithm ensures a better tracking in multiple power points.
• High PV harvest performance in weak sunlight conditions, advanced multi-peak tracking can accurately track the optimum power with partial shading.
• Excellent peak efficiency exceeds 98%.
• Bluetooth + Android & IOS App available.
• Support automatic identification of battery voltage.
• Over rating electronic components to minimize the power loss from heating, full charge power output up to 45ºC.
• Supports external battery voltage sampling in order to compensate for voltage drop and losses in the wiring, allowing more accurate setting of control parameters.
• Supports temperature compensation by automatically adjusting or turning off the charge and     discharge parameters to avoid battery overheating to prolong battery life.
• LCD screen displays key operating information and facilitates parameter settings.
• Advanced protections for battery charging & discharging.
• No cooling fan, over-rated heatsink and electronic components. Built-in over temperature protection mechanism. The charge current and load will be decreased with temperature increase to reduce the controller’s temperature rise.
• Allowance for exceeding the rated solar input power by max 25% without controller damage.
• Extensive electronics protections including PV reverse polarity & reverse current protection.
• Supports historical data storage with 300 days data logging.
• Supports standard RS 485 MODBUS protocol for external communications.
• The controller is negative grounded.

 

Specifications

 

Item	Specification	Description/Remark
Model	AT-SOLCHR-AM2420NV01	20A12V/24V  MPPT Solar Charge Controller ​ - Lithium compatible ​
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 Photo-voltaic system input power	300W/12V    600W/24V
​Light Control Voltage	5V*n
Light Control Delay Time	10s
Operating Temperature	-35ºC ~ +45ºC
IP Protection	IP32
Operating temperature	​-35˚C to 45˚C
Communication Port	RS485	Modbus protocol
Altitude	​≤ 3000m
Product dimensions	L-179.3mm x W-150.3mm x H-70mm
Weight	​1.0kg

 

BATTERY VOLTAGES	Flooded Lead Acid	Sealed Lead Acid	Gel (Default)	​User (adjustable)	​Lithium (adjustable)
Equalize Charge Voltage	14.8V*n	​14.6V*n	-	​Default: GEL	-
Boost Charge Voltage	​14.6V*n	​14.4V*n	​14.2V*n	​Default: GEL	​Default: 14.2V*n
Float Charge Voltage	​13.8V*n	​13.8V*n	​13.8V*n	​Default: GEL	-
​Boost Charge Recovery Voltage	​13.2V*n	​13.2V*n	13.2V*n	​Default: GEL	-
Over-discharge Recovery Voltage	​12.6V*n	​12.6V*n	​12.6V*n	​​Default: GEL	-
Over-discharge Voltage	​11.1V*n	​11.1V*n	​11.1V*n	Default: GEL	​Default: 11.1V*n
Auto Temperature Compensation	​-3mV/2V/℃	​-3mV/2V/℃	​-3mV/2V/℃	​​​Default: GEL	-

 

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