Fully programmable SMR20-N5 PWM Lithium Ion (LiIon) / Lithium Iron Phosphate (LiFePO4) / GEL & AGM Solar Charge Controller.

Updated version of the SMR20-N5-Li which was only compatible with Lithium batteries.

Features:

• 12V/24V automatic recognition.
• Suitable for Lithium Ion, Lithium Iron Phosphate, Gel, AGM & Wet Cell batteries.
• Charging target and charging recovery voltage can be set.
• Day/night threshold can adjust automatically.
• External temperature sensor, automatic temperature compensation.
• Full automatic electronic protect function.

Specifications (for 'Programmable' specifications, please see note below):

• Max solar and load current: 20A
• System voltage: 12V or 24V
• Charging voltage target: 10.0V ~ 32.0V (Programmable)
• Charging voltage recovery: 8.5V ~ 31.8V (Programmable)
• Low voltage disconnect: 8.0V ~ 30.0V (Programmable)
• Low voltage reconnect: 8.6V ~ 31.0V (Programmable)
• Day/night threshold: 3.0V ~ 20.0V (Programmable)
• Battery type: Lithium Ion (LiIon), Lithium Iron Phosphate (LiFePO4)
• Max solar voltage: 55V
• Max battery voltage: 40V
• Self-consumption: 10mA
• Ambient temperature: -35°C to +60°C
• Protection degree: IP67

PLEASE NOTE: The SMR20-N5 Solar Charge Controller can be programmed to user specific requirements. Requirements will differ between battery chemistries:- ie LiIon / LiFePO4 / AGM. Please complete this form SMR20-N5 Programming Requirements and send to us with your order.

Alternatively, contact us to discuss your specifications so we can program the SMR20-N5 for you. If you would like to program it yourself, we recommend purchasing the S-UNIT with the SMR20-N5.

Replacement for previous model SMR20-LF-Z & SMR20-N5-Li.