How To Test A Lawn Mower Battery. It has two settings 6V and 12V on the dial. You must have the model number of your mower with you.

In this video I show what a bad battery tests like and what a good battery test. But in some cases the lawnmower stator may not be supplying sufficient AC. Turn on the digital multimeter and switch it to DC or A to test battery voltage.
Most lawn mowers use the 200-volt DC setting.
Group U1 lawn mower batteries come in two varieties U1L and U1R which refer to terminal position. While cleaning note which post is positive and which is negative. Perform a voltage test on the lawn mowers stator. The lawnmower stator supplies AC.

