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Bolens Lawn mower battery keeps dying

If your Bolens lawn mower battery keeps dying, start with the battery itself, since a dead cell is the most common reason a riding mower battery will not stay charged. Try charging it with a charger first. If the battery still will not hold a charge, replace it. If the battery checks out, the next likely problem is the charger, so test its voltage output with a multimeter and make sure the outlet has power and has not tripped a breaker. A Bolens mower battery not charging can also point to the alternator, which should supply voltage while the engine is running and recharge the battery at the same time. If alternator output is low, the battery will drain instead of recover. Another common riding lawn mower charging problem is a bad voltage regulator, which can keep the battery from getting the proper charging voltage. On RepairClinic.com, you can enter your model number to find the exact Bolens battery, charger, alternator, voltage regulator, or other replacement part that fits your specific lawn mower.

01 - Bolens Lawn Mower Battery

One or more cells in the battery may be dead. Try charging the battery with a battery charger. If the battery still won't hold a charge, this indicates that the battery is defective and will need to be replaced.
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02 - Bolens Lawn Mower Charger

To determine if the charger is defective, use a multimeter to test the charger for proper voltage output. In addition, test the outlet used by the charger, and ensure that the outlet has not tripped a breaker.
Highly Likely

03 - Bolens Lawn Mower Alternator

The alternator provides voltage to the lawn mower while the engine is running and also recharges the battery. To determine if the alternator is defective, use a multimeter to test the alternator voltage output according to the wiring diagram.
Highly Likely

04 - Bolens Lawn Mower Voltage Regulator

While the engine is running, the voltage regulator sends the proper amount of voltage from the alternator to the battery to keep the battery charged. If the voltage regulator is defective, the battery won't receive enough voltage, causing the battery to drain quickly.
Highly Likely

Frequently Asked Questions

Why does my Bolens lawn mower battery keep dying?
How do I tell if my Bolens mower battery is bad or just not charging?
How do I test a Bolens lawn mower charger?
Can a bad alternator or voltage regulator cause a riding mower battery to drain?
How do I find the right battery, charger, alternator, or voltage regulator for my Bolens mower?

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