10a/20a/30 amp 12v/24v/48 volt solar charge controller PWM Pulse Width Control




  • LCD display PV charge, battery and DC loading condition;
  • Protection against over charge, over discharge, over load and anti-thunder;
  • PWM charging mode, DC mode save cost;
  • Multiple working modes to adapt different working occasion (only 12V/24V/48V models);
  • 12V/24V automatic identification system working voltage;


⌈Technical Parameters⌋

KY1 Specification
Rated Current10A/20A/30A
 Rated System voltage12/24V (auto recognition) 48V
PV input voltage range12V System: 15V-44V;24V System: 30V-44V;48V System: 60V-88V
Max PV Input Voltage(At 25℃)12V/24V System:50V; 48V System:100V
PV Array Maximum Power12V System:140W,280W,420W,560W,700W,840W;
24V System:280W,560W,840W,1120W,1400W,1680W;
48V System:560W,1120W,1680W,2240W,2800W,3360W
Battery typeLead acid battery, deep cycle battery, gel battery etc
(Battery type base on user charge specification)
Floating voltage13.8V/ Single battery
Charge voltage14.2V/Single battery
Charging protection voltage17V/Single battery
Battery overdischarge voltage10.5V/Single battery
Charging modePWM pulse width control
Charging methodThree stages:
constant current; constant voltage; floating charge
No low loss<5mA
Charging circuit voltage drop≤0.20V
Disharge circuit voltage drop≤0.15V
Thermal methodNatural heat dissipation
Type of mechanical protectionIP20
Operating temperature-10℃~40℃
Storage  temperature-20℃~60℃
Elevation<5000m,(Less solar panel when exceed 2000m)
Humidity5~95%(No condense)
Protect the circuitover-charge, over-discharge, short circuit and over-load protection
Machine size (L*W*Hmm)152*97*42
Package size (L*W*Hmm)160*106*48
N.W (Kg)0.34
G.W (Kg)0.39



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