Charger For Any 12V Battery: Car Motorcycle Alarm

EASILY build a charger for any type of 12V battery.
It can be a 12V car battery, motorcycle, alarm system, video surveillance system, LED lights, etc.
A charger from a switching source whose cost is $5 (Five Dollars) is connected very simply as can be seen in the video.
By adjusting the output voltage value of the charger you can charge any type of 12V battery with a capacity of 2Ah (Charging time: 1 hour) up to 65 Ah (Charging time: 6 hours).