-
Short circuit protection (LED goes out, charging stops)
-
Wrong connection protection (LED turns red, charging stops)
-
The battery is full (LED turns red, charging stops)
-
Charging time varies with the size of the batteries.
-
12V 5-7AH takes about 6 hours;
-
12V 9AH takes about 10 hours;
-
12V 15-17AH takes about 13-15 hours.