670(12A) regulator is a thyristor device at a constant voltage battery charging, there are half-controlled thyristor bridge.
Second, the parameters
Suitable for permanent magnet flywheel generator
Use an operating voltage of 14V battery
Input voltage: 15 ~ 55V AC
Output voltage: 13.5 ± 0.5V DC
Output Current: 18A
Operating temperature: -5 C ~ 65 C
Storage temperature: -20 C ~ 90 C
Dimensions: 110mm * 79mm * 30mm (L * W * H)
Two green AC input line, the red line is the positive terminal of the DC output, aluminum facades negative terminal connected to the output.