sulfation How to Know When a Lawn Mower Battery Is Dead?

by:KEBO      2019-11-18
When your mower battery is not in use during winter storage or long periods of drought, it loses its charge.Normally you can recover the battery by charging for a few hours, but if that doesn't work, testing it with a multimeter will determine if it's dead or if another part of the electrical system is faulty.The mower battery, which is kept fully charged, can extend the battery life by four to five years.Sit on the mower, step on the clutch and turn the key.If the engine does not turn, turn slowly, or make a click, your battery may be out of power.Turn off the key and take it off.Locate the battery;Often under the seat.Swing the cables to make sure they are tight on the battery.If not, tighten it with a wrench.If your battery is wet, remove the cap with a flat head screwdriverCell Model and check if the water level is full.If not, replenish the cells with distilled water.Test the voltage of the battery by setting the multimeter to DC.At the same time, the Red probe is touched to the positive pole of the battery, and the Black probe touches the negative pole of the battery.Read the meter.If it has 12.7 DC voltage or higher, the battery is good and something else is causing a problem with your startup.If the voltage reading is low, the battery will discharge to a certain extent, but it may charge after charging.If it reads 11.5 volts or less, the battery is likely to be sulfuric acid and needs to be replaced.Connect the battery charger to the battery with the positive cable on the positive terminal and the negative cable connected to the negative terminal.Adjust the battery charger to 12 V, then plug in the power to start charging the battery.Allow the battery to charge.If the charger does not show that the battery is fully charged within 8 hours, your battery is dead and needs to be replaced.WrenchFlathead screwdriverdiesel led distilled water multi-purpose battery charger for 12 V batteries in order to extend battery life, please keep fully charged.Leaving the battery dead for a long time can cause sulfuric acid, which can damage your battery.Do not charge the battery with tap water.The minerals in the water damage it.Follow the manufacturer's warnings and instructions on connecting the battery charger and using the multimeter.
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