Far from it.  It will look after your batteries far better because it carries-out proper intelligent charging, so there’s no chance of cooking them.

    My current house batteries are 12 years old now and still going strong (but they are 6v Trojans).

    Have a read – data sheet here

    Instructions (talks about how it charges) here

    • This reply was modified 3 years, 4 months ago by bobclements.