12V lead-acid battery charging controller Includes low voltage lockout, battery pole overvoltage protection and charging status indication function.
Connection method in the photo on the right
Basic parameters Input voltage: nominal about DC 18V (without load about 21V)
Charging is cut off when the voltage reaches 14.8 V
Floating charging voltage: 13.55V
Charging current: 3A (when the current exceeds 2A, additional ventilation is recommended)
Ambient temperature during operation: -40 ° + 85 °
Weight: approx. 12g / 0.4oz
Size: approx. 31* 49mm / 1.2*1.9oz