This PWM controller features 3-stage charging process--bulk absorption and float stage-- for a rapid intelligent and safe charging to GEL AGM batteries including sealed and flooded cells and lithium-iron and lithium-ion batteries. Over temperature protection over current and low/over voltage are embedded to safeguard your solar panel. And overcharging over-discharging and short-circuit protection are integrated to offer an extra layer of protection. And dual MOS tubes have been integrated to prevent current from flowing back and at the same time reducing heat generation and increasing charging efficiency and its float cut-off and discharge recovery voltage are user-programmable which can significantly increase battery life.

Durable Construction: Made of sturdy flame-resistant ABS this controller is designed to withstand fire and will not rust.
3-Stage Charging: A PWM 3-stage algorithm bulk absorption and float charge is designed to enhance efficiency and ensure battery lifespan.
Versatile Compatibility: It is compatible with GEL AGM including sealed and flooded cells and lithium-iron and lithium-ion batteries.
Electronic Protection: Over temperature over/low voltage overcharging over-discharging short-circuit and reverse polarity protection are integrated.
Programmable Voltage: The float voltage cut-off voltage and discharge recovery voltage can be adjusted to ensure battery safety.
2 USB Ports: This PWM controller comes with two USB 5 volts/ 2 amps ports to power your lamps or work as a phone charger.

Battery Voltage: 12V/24V auto
Charge Current: 20A
Discharge Current: 20A
Working Temperature: -35C to +60C
Application: Home Industrial Commercial
Self consume: <10mA
Max Solar Input: <50V
Weight: 154g
Size: 133*70*34mm

1 x Solar Charge Controller
1 x User Manual

12 months warranty
Model # CY1220-LJ-SUN
Barcode # 9356307004274
Brand Atem Power
Type Solar Power

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