20A 12/24V Solar Charge Controller
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Features:
- Microcontroller digital accuracy
- PWM Charge mode
- Temperature compensation
- Automatic detection of the voltage
- Double digital LED display, numbers equal to the timer setting
Electronic Protection Functions:
- Short circuit protection
- Reverse polarity protection
- Reverse current protection at night
- Over charging, over-discharging, and overload protection
- Overload protection
Specifications:
| Rated charge current | 20A |
| Rated load current | 20A |
| Work voltage | 12V/24V AUTO |
| No load losses current | 5mA-20mA (only when digital LEDs being lighted) |
| Charging circuit voltage drop | =0.26V |
| Load circuit voltage drop | =0.15V |
| Over voltage protection | 14.8V; x2/24V |
| Boost charge voltage | 14.6V; x2/24V |
| Direct charge voltage | 14.4V; x2/24V |
| Float charge voltage | 13.6V; x2/24V |
| Charge recover voltage | 13.2V; x2/24V |
| Over discharge recover voltage | 12.6V; x2/24V |
| Lower voltage indication | 12.0V; x2/24V |
| Over discharge voltage | 11.1V; x2/24V (no load) real-time modified voltage by the discharge rate |
| Temperature compensation | -4.0 mV/? 2V (boost voltage direct charge, float charge and charge return voltage compensation) |
| Control method | PWM pulse-duration modulation charge mode |
| Working temperature: industry stage | -35?~+55? |
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