Description

Technical Parameters

SMR-MPPT1575 is a sort of lithium solar charge controller.

SMR-MPPT1575 is fit for 12V/24V automatic recognition and 15A charging and discharging current.

This sort of lithium solar charge controller is improved based on the Smart-MPPT series standard solar charge controller, specially designed for the lithium battery application, and has all the advantages of the Smart-MPPT series controller.

Item

SMR-MPPT1050/RS485/BT

SMR-MPPT1575/RS485/BT

SMR-MPPT2075/RS485/BT

Battery Parameters

Max Charging Current

10A

15A

20A

System Voltage

12V

12V/24V automatical recognization

Max input power

130W

200W/400W

260W/520W

Max volt on Bat. Terminal

25V

35V

Battery Type

Lithium, Liquid, Gel, AGM (Programmable, default: Gel)

Liquid, Gel, AGM

MPPT Charging Voltage

<14.5V@25℃

<14.5/29V@25℃

Boost Voltage

14.0~14.8V/28.0~29.6V(Default: 14.5/29.0V@25℃, Programmable)

Equalization Voltage

14.0~15.0V/28.0~30.0V(Default: 14.8/29.6V@25℃, Liquid/AGM, Programmable)

Float Voltage

13.0~14.5V/26.0~29.0V(Default: 13.7/27.4V@25℃, Programmable)

Low Volt. Disconnect

10.8~11.8V/21.6~23.6V; SOC1~5(Default: 11.2/22.4V, Programmable)

Reconnect Voltage

11.4~12.8V/22.8~25.6V(Default: 12.0/24.0V, Programmable)

Overcharge Protect

15.5V

15.5/31.0V

Temp. Compensation

-4.17mV/K per cell (Boost, Equalization), -3.33mV/K per cell (Float)

Lithium

Charging voltage target

10.0~17.0V

10.0~32.0V (Programmable)

Charging voltage recovery

9.2~16.8V

9.2~31.8V (Lithium, Programmable)

Low voltage disconnect

9.0~15.0V

9.0~30.0V (Lithium, Programmable)

Low voltage reconnect

9.6~16.0V

9.6~31.0V (Programmable)

0℃ Charging protection

Yes, No, Slow(Default: Yes)

Panel Parameters

Max volt on PV terminal *1

45V

55V

Dusk/Dawn detect volt.

3.0~8.0V

3.0~20.0V (Programmable)

Day/Night delay time

0~30Min (Programmable)

MPPT tracking range *2

(Battery Voltage + 1.0V)~Voc*0.9

Max tracking efficiency

>99.9%

Load

Output Current

10A

15A

20A

System Parameters

Max charge conversion

96.5%

97.5%

Communication

Infared/RS485/BT Infared/RS485

Self consumption

6~8mA

Dimensions

85.8*81*23.1mm

85.5*145*30mm

85.5*145*42.5mm

Weight

260g

600g

730g

Ambient temperature

-35~+60℃

Ambient humidity

0~100%RH

Protection degree

IP67

Max Altitude

4000m

Other models of the lithium solar charge controller series also include: SMR-MPPT1050, and SMR-MPPT2075, which can provide multiple best choices for the user's system applications.

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15Amp Lithium Solar Charge Controller