ldsolar 2021 Best Land Dream Series PWM Solar Charge Controller
ldsolar 2021 Best Land Dream Series PWM Solar Charge Controller

Land Dream Series (LD in short) is an economical and traditional PWM solar controller. It can not only extend the service life of battery,but also provide necessary protection over the whole system. We own its outlook design patent. The double buttons and 

LCD screen show you the working parameters of the whole system,clear and understandable. This series is widely applied in solar home system,traffic signal, solar lighting system,etc.


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Design

Classic Double Color Design

Compared to the black,  Attract people' s attention. Proportionally coordinated, Smart body.


USB

Optional USB Port

Charging interface optional, Support 5V1A CVCC, Charge your mobile devices fast and safe10A / 20A standard USB interface.


Chip

ARM architecture, high-quality 8-bit main controlchip, improve charging efficiency comprehensively.

The main control chip adopts Stmicroelectronics, and the other components adopt Samsung and Fenghua Hi-tech components to ensure the stability and life of the controller.


Heat dissipation

Distinctive heat dissipation character

LD series adopts aluminum alloy radiator for heat dissipation, industrial grade aluminum alloy heat dissipation, longer life and more stable.



ModelLD2410CLD2420CLD2430SLD2440SLD2450S
System Voltage12V/24V DC auto
PV Max Input Voltage55V
Self-consumption<10mA
Max Charging current10A20A30A40A50A
Max Discharging current10A20A30A40A50A
Battery typeSealed(Default)/Gel/Flood
LVD※*11.0V ADJ 9V...12V ; x2/24V ; x4/48V
LVR※*12.6V ADJ 11V...13.5V ;x2/24V ; x4/48V
Float Voltage※*13.8V ADJ 13V... 15V ; x2/24V ; M/48V
Boost Voltage※*14.4V ADJ 13V...17V ;x2/24 ; x4/48V
battery voltage less than 12.6v auto boost 2hours
Battery Over Voltage※*16.5V ; x2/24V ; x4/48V
Reverse Connection ProtectionYes
Load Over Current ProtectionYes, each 30s  auto restart again
USB  OutputOptional/
Charging TypePWM
Charge circuit voltage drop<=0.25V
Discharge circuit voltage drop<=0.1V
Temperature Consumption#For 12Vsystem: -24mV/℃; ×2/24V; ×4/48V
Relative humidity≤95%, N.C
Working Temperature-20℃~+55℃(Product can work continuonsly st full load)
LCD temperature range-20℃~+70℃
Waterproof gradeIP32
Mounting hole sizeΦ5mm
Terminals4mm²/12AWG
16mm²/6AWG25mm²/4AWG
Weight310g320g410g680g690g
Overall dimension(mm)168×92×41.5190×108×41.5200.1×127×55.3




ModelLD2460SLD4830SLD4840SLD4850SLD4860S
System Voltage12V/24V DC auto48V DC
PV Max Input Voltage55V100V
Self-consumption<10mA
Max Charging current60A30A40A50A60A
Max Discharging current60A30A40A50A60A
Battery typeSealed(Default)/Gel/Flood
LVD※*11.0V ADJ 9V...12V ; x2/24V ; x4/48V
LVR※*12.6V ADJ 11V...13.5V ;x2/24V ; x4/48V
Float Voltage※*13.8V ADJ 13V... 15V ; x2/24V ; M/48V
Boost Voltage※*14.4V ADJ 13V...17V ;x2/24 ; x4/48V
battery voltage less than 12.6v auto boost 2hours
Battery Over Voltage※*16.5V ; x2/24V ; x4/48V
Reverse Connection ProtectionYes
Load Over Current ProtectionYes, each 30s  auto restart again
USB  Output/
Charging TypePWM
Charge circuit voltage drop<=0.25V
Discharge circuit voltage drop<=0.1V
Temperature Consumption#For 12Vsystem: -24mV/℃; ×2/24V; ×4/48V
Relative humidity≤95%, N.C
Working Temperature-20℃~+55℃(Product can work continuonsly st full load)
LCD temperature range-20℃~+70℃
Waterproof gradeIP32
Mounting hole sizeΦ5mm
Terminals25mm²/4AWG
16mm²/6AWG25mm²/4AWG
Weight740g440g695g700g750g
Overall dimension(mm)168×92×41.5190×108×41.5200.1×127×55.3



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