PWM 20A30A40A Solar Charge Controller

 

 

 

Parameter table

Model

SK20D

SK3048DA

SK4048DA

System rated voltage

12V/24V/36V/48V (Auto) recognized

Voltage range of battery

9V-64V

Rated charging and discharging cuttent

20A@55℃

30A@55℃

40A@55℃

Max open voltage of solar panel

100V

Battery type

Maintenance-free lead-acid battery (default),GEL,lead-acid Flooded battery

Equalized charging voltage

Maintenance-free lead-acid battery:14.6V,GEL:NO;lead-acid Flooded battery:14.8V

Absorption charging voltage

Maintenance-free lead-acid battery:14.4V,GEL:14.2V;lead-acid Flooded battery:14.6V

Voltage of float charging

Maintenance-free lead-acid battery,GEL,lead-acid Flooded battery:13.8V

LVR

Maintenance-free lead-acid battery,GEL,lead-acid Flooded battery:12.6V

LVR

Maintenance-free lead-acid battery,GEL,lead-acid Flooded battery:10.8V

Static loss

≤9.2mA/12V;≤11.7mA/24V;≤14.5mA/36V;≤17mA/48V

HVD

16V

Duration of absorption charging

2hs

Duration of equalized charging

2hs

Light control voltage

5V

Temperature compensation coefficient

-4mV/℃/2V(25℃)

Charger loop voltage drop

≤0.29V

Discharge loop voltage drop

≤0.16V

LCD temperature

-20~+70℃

Operating temperature

-20~+55℃(To run at full rated current continuously)

Storage temperature

-30~+80℃

Working humidity

≤90%,No condensation

Protection class

IP30

Grounded type

Positive grounede

Dimension

178X101.4X45.5MM

196x111x54MM

Hole size for installation

169X60MM

184x80MM

Aperture for installation

Φ5mm

Terminal wiring

16㎡/12AWG

Net weight

0.32KG

0.41KG

Optional function

Remote communication,TTL,Standard Modbus protocol

*Above voltage Parameter is all 25℃ 12V.12V*2,12V*3,12V*4