MB3938
Perfect for automotive and solar applications.
Features:
·Universal DC input 12.0V-30.0V?0.2V For Solar/12.0V-15.0V?0.2V For car
·Compatible with Lead Acid,Li-ion, Gel and AGM batteries
·Fitted with colour-coded 50A high-current (Anderson-compatible) connectors
·High efficiency and high reliability
·Battery type select function
·Protection :Short Circuit/Over-temperature/Reverse polarity
·E24/CE/RoHs approved
·IP65-rated enclosure - dust tight and watertight against light pressure water spray
Specifications:
Input voltage
     - Solar charging: 12.0V-30.0V±0.2V
     - Car generator charging : 12.0V-15.8V±0.2V
Output voltage
     - GEL: 14.2V±0.2V
     - CAL: 14.2V±0.2V
     - STD: 14.4V±0.2V
     - AGM: 14.8V±0.2V
     - LiFePo4: 14.6V±0.2V
Output current : 20A±0.5A
Charging efficiency: Full load ≥90%;Maximum efficiency reaches 97%
Plugs to suit those supplied with the charger: Grey: PT4425 / Red: PT4426 / Yellow: PT4543
Working mode
1.    Solar charging (default priority)
2.    Car generator charging
3.    Five speed battery type adjustment
Product size : 205x105x51mm (230mm long including mounting flanges)
Product weight : 1.2KG 
Note: the battery plug (red) will not connect to battery boxes as it is physically different to the plugs used on battery boxes. You will need to buy a plug set to change this plug housing to suit a battery box.