Solar charge controller SRNE MPPT Gen4 DM120

The benefits

• With MPPT technology, the controller has higher response speed and tracking efficiency, significantly improving the efficiency of solar panel energy use.
• Works with both GEL (lead-acid) and lithium batteries; operating parameters can be set by remote control.
• Temperature compensation function and multi-level constant-voltage charging for lead-acid batteries.
• Control of charging power and time.
• Protection and adjustment of battery charging and discharging temperature.
• Intelligent power mode:
• Charging power can be automatically adjusted according to battery level.
• High-precision digital control algorithm for boost voltage and constant current: ensures high efficiency and constant current accuracy.
• Protection against reversal of battery/PV electrodes, protection against short circuits, open circuits and limited LED power, etc.
• Infrared remote control: enables parameter setting and status checking.
• With a metal outer shell and IP67 waterproof rating, the product can operate properly in a variety of challenging situations.

---

Features

Items

Values

Adjustable

Default

Controller type

: infrared remote control; W: wireless remote control 2.4G

System voltage

12V / 24V

Lead-acid

Static power consumption
	R : ≤6mA/12V; 4mA/24V

Type -W :

; 13mA/24V

Standby power consumption

≤1 mA

Charging current

50mA～4200mA

√

330mA

Charging voltage

15V～60V

Maximum charging power	60W/12V ;

1

20W/24V

Charge conversion efficiency

85%-96% (typical efficiency 95%)

Charge current accuracy

≤3%±30mA

Intelligent power	High, Moderate, Low, Auto, USE,
No	√	Medium

Load working period

Period + pre-dawn lighting

Period adjustment range

/ 10min

Power adjustment range

1% / 10%

Maximum solar input power	130W/12V ;

2

60W/24V

Maximum load current

10A

Maximum solar input voltage

≤ 60V

MPPT tracking efficiency

＞99%

Load conversion efficiency
85% LI overload voltage +2V; × 2, 24V system.		16.0V

Limited charging voltage

PB-15.5V ; Overload voltage LI +1V ; ×2, 24V system

15.5V

Equalizing charging voltage

PB-14.6V ; LI-No ; ×2, 24V system

14.6V

Charge equalization interval

30 days

30D

Boost charge voltage (lead-acid) Charge voltage (lithium)
.5V ～ 17.0V；×2,24V system	√	14.4V

Floating charge voltage (lead-acid) Charge return voltage (lithium)

8.5V ～ 17.0V；×2,24V system

√

13.8V

Over-discharge voltage
.5V ～ 17.0V；×2,24V system	√	11.0V

Over-discharge feedback voltage
.5V ～ 17.0V；×2.24V system	√	12.5V

Temperature compensation coefficient

PB: -3.0mV/℃/2V; lithium battery: no compensation.

L

ight control voltage

～ 11V；×2,

2

4V system

√

Light control delay
～ 60min	√	10S

High-temperature load

√

65℃

Low-temperature load
～ -35℃	√

Operating temperature

～ +65℃

IP rating

IP67

Protections	Protection against reverse battery polarity
protection against reverse polarity of the solar panel, protection against overvoltage of the solar panel, protection against overcharge and overdischarge of the lithium battery, protection against overheating by detection of overcharge of the lithium battery by the BMS, protection against open circuit and short circuit of the load.

W

eight

400g

Controller dimensions

114 x 82.3 x 24.5 mm

Controller mounting dimensions

82.3 x 74 mm

Mounting hole diameter

Φ 3.5 mm