PWM Solar Charge Controller The controller is designed for solar power DC supply system, solar power DC street lamp system and mini solar power station system. Intelligent control is realized by using dedicated computer chips. The controllers can be used in harsh environment, since it adopt the technical grade chips. Function:1. smart controller.2. Individual control: can settings different working modes independently.3. Five kinds of load working mode: Pure lighting control, lighting control & timing control, hand operation and test mode and load open all time.4. the storage battery is charged every 7 days to prevent the battery from Vulcanization. Also have the temperature compensation function.5. Have the electricity protection data function.6. Solar panel battery indicator to regulate parameters is showed on digital tube. Customer can setting the working mode according to the environment and Observe the operation status.7. Over charging protection, over discharging protection, over load, short circuit protection,reverse polarity protection. TVS lightning protection.8. All controller adopt Industrial chip and precision components, which can operate normally under the cold, heat and humid environment.9.Dual-digit LED screen and double key, easy to use. Parameter Description | Model | SW-2L | | rated charging current | 5A 10A 15A 20A | | Rated discharging current | 5A 10A 15A 20A | | Working Voltage | 12V ; 24V ;12V/24V Auto | | No load losses | <5mA; | | Charging circuit voltage drop | Less than or equal to 0.20V | | Discharge circuit voltage drop | Less than or equal to 0.15V | | Over voltage protection | 17V;×2/24V; | | boost charge voltage | 14.6V; ×2/24V (time of duration: 30 minutes) used every 7 days or when the battery is over discharged | | Direct charge voltage | 14.4V;×2/24V (time of duration: 30 minutes) | | Float charge voltage | 13.6V;×2/24V | | Charge recover voltage | 13.2V;×2/24V | | Over discharge recover voltage | 12.5V;×2/24V | | Lower voltage indication | 12.0V;×2/24V | | Over discharge voltage | 11.1V;×2/24V | | Temperature compensation | -4.0mV/°C/2V(boost voltage, direct charge, float charge and charge return voltage compensation) | | Control method | PWM Smart Charging | | Working temperature | From -35°C to +65°C; | | Over-load and short circuit protection | Over-load protection: when the current of controller is 1.25 times of the rated current, the controller have 30 seconds to judge; 1.5 times of rated current, have 5 seconds to judge . Short circuit protection: when the current of controller is more than or equal to 3 times of rated current, the protection starts. | | Circuit protection | Over-charge, over-discharge, short circuit and over-load protection | All the protections are harmless to any parts and fuse of controller | | Anti- connection-reverse protection for solar battery and storage battery. |
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