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Q. My battery is low on my Snapper lawn mower, (U1-7 battery).
I want to connect cables to my truck battery and the other end to the lawn mower battery to charge it. Is this okay to do? Most informative will receive "BEST."
I want to connect cables to my truck battery and the other end to the lawn mower battery to charge it. Is this okay to do? Most informative will receive "BEST."
Answer
Check if your truck battery is the same voltage and Ampere-hour (AH) as the lawn mower. If it's of the same voltage but differnent AH it's fine because lead acid batteries charges with a constant voltage. It wouldn't over charge even if it's fully charged, but if your truck happen to be on a 24V battery, don't attempt to quick charge your 12v lawn mower battery with it, may over heat and swell like a ballon. The AH for lead acid battery isn't much an issue here not unless your lawn mower battery is not a lead acid type. Just remember to use proper jumper wires and keep engine running while charging otherwise you may find two flat useless batteries.
Check if your truck battery is the same voltage and Ampere-hour (AH) as the lawn mower. If it's of the same voltage but differnent AH it's fine because lead acid batteries charges with a constant voltage. It wouldn't over charge even if it's fully charged, but if your truck happen to be on a 24V battery, don't attempt to quick charge your 12v lawn mower battery with it, may over heat and swell like a ballon. The AH for lead acid battery isn't much an issue here not unless your lawn mower battery is not a lead acid type. Just remember to use proper jumper wires and keep engine running while charging otherwise you may find two flat useless batteries.
Can I charge a 12v lawn mower battery with my car alternator?
Q. My battery is low on my Snapper lawn mower, (U1-7 battery).
I want to connect cables to my truck battery and the other end to the lawn mower battery to charge it. Is this okay to do?
Most informative will receive "BEST."
I want to connect cables to my truck battery and the other end to the lawn mower battery to charge it. Is this okay to do?
Most informative will receive "BEST."
Answer
12 volts is 12 volts regardless of size.
You may create a problem with the charging circuit on the mower if your battery is considerably discharged and the battery draws a lot of power as it recharges.
The standard charge circuit on a riding lawnmower is not designed to recharge batteries. They are designed to "maintain" battery voltage.
You may burn up the alternator on the inside of the flywheel if you don't charge the battery first.
I recommend using an automotive battery charger to fully charge you battery first.
Then check for a blown 15 amp fuse behind the instrument panel.
12 volts is 12 volts regardless of size.
You may create a problem with the charging circuit on the mower if your battery is considerably discharged and the battery draws a lot of power as it recharges.
The standard charge circuit on a riding lawnmower is not designed to recharge batteries. They are designed to "maintain" battery voltage.
You may burn up the alternator on the inside of the flywheel if you don't charge the battery first.
I recommend using an automotive battery charger to fully charge you battery first.
Then check for a blown 15 amp fuse behind the instrument panel.
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