50/10/2a, starter/charger, features of a starter/charger with the added convenience of circuit controlled fully automatic operation, just hook it up, make the setting & forget about it, charger knows when to stop, for 12v batteries, 50a engine start, for emergency starting 10a fast charge, for everyday charging needs, charges in 3 to 5 hours, 2a trickle charge, charges a small 12v battery in 2 to 12 hours, control circuit for fully automatic charging, brings battery to full charge, then shuts off, starts again if battery condition starts to drop off from non-use, back lit, impact resistant, color coded meter, for easy viewing day or night, 3 function rate switch. non-compliant in ca & or. suggested replacement: tv #176879 / se-5212a-ca