CK20U-10/20A,12V24V Auto, PWM Solar Charger Controller with 2*USB, 2 Years Warranty, CE RoHS

Model Number: CK20U-10/20A,12V24V Brand Name: CONPO Key Specifications/Special Features: CK20U 10A/20A, 12V24V autoFeatureVivid LED indicators show system battery capacity, charging and discharging state of batteryProtection functions such as overcharging, over discharging, overload and reverse connectionPWM charging increases charging efficiency by 3% to 6%, compared with non-PWM chargingThe parameters of charging and discharging are preset, so no need to adjust the parameters(Special parameters need to be advised in advance)
USB output function

Protections
PV array short circuit protection
PV array over-voltage protection
PV array over-current protection
PV array polarity reverse connection protection
Battery low voltage disconnection
Battery over-voltage disconnection
Battery polarity reverse connection protection
Over-load protection
Load short circuit protection

Technical data
System voltage 12V/24V (auto)
Rated current 20
No load loss ≤12.5mA (USB disconnect)
Charging mode PWM
Float charging voltage 13.8V/27.6V
Absorption charging voltage 14.4V/28.8V (lasting time: 2 hours)
Charging/discharging circuit voltage drop <0.22V (<0.12V)
Low voltage protection 10.7V/21.4V
Low voltage reconnecting 12.6V/25.2V
Overloading ≥1.2*rated current, 60s
≥1.5*rated current, 10s
≥1.8*rated current, 0.2s
USB output 5V, 1A
Installing cables size ≤6mm2
Working temperature -20℃-50℃
Dimension (L xW xH) 188mm x95mm x40mm
Net weight 340g