12v 4.2Ah output battery charger for cars

Microprocessor controlled, ideal for 6V/12V vehicles.
2)6-stage intelligent charging characteristics.
Great for WET, GEL, AGM and maintenance-free lead-acid batteries.
3)Winter charging model can be chose.
4)Continuous maintenance charging function.
5)Diagnosis and rescue function for deeply discharged batteries to 7.5 V.
6)Connection over-insulated charging clips or eyelets possible.
7)Suitable for outdoor using, dustproof and splash-proof (IP 65).
8)Various Protection functions.
9)Battery capacity: 1.2 Ah-120 Ah