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It is a DC power supply system, designed especially for users in remote locations with few access to electricity.
A. The key function of overcharge & over discharged protection can extend the life span of the battery. The processor protects against arcing during the low voltage conditions.
B. The standby function: Following five minutes after startup, if no output loads are detected the system will automatically enter into a low power consumption standby mode.
C.USB output overload protection: The USB output will shut down automatically if the maximum output current exceeds 1000mA when charging for mobiles, MP3, and digital camera etc.
D. Overload protection: The output will shut down automatically when current exceeds 3 Amps
E. Independent Charging & Discharging: The system can charge and discharge independently.
F. Load indicator: A battery indicator light will display red when charging, and blue when the system is fully charged.