Can You Charge A Riding Lawn Mower Battery. You can overheat and damage the battery and possibly even cause an explosion by leaving it hooked up to the car. Charging a battery with more than 10 amps can damage it.

Just like with a cellphone or laptop battery a slow charge is best for a deep thorough charge on a riding mower battery. Also use a charger with an output of 10 amps or less. Yes you can charge your lawnmowers battery using a car battery charger.
As a general rule you can expect the battery in a riding lawn mower to last you for about four years.
As a general rule you can expect the battery in a riding lawn mower to last you for about four years. Once it gets near the end of this lifespan youll notice the battery will not be holding its charge for as long as it once did. Thus burnout is pretty much inevitable if it gets extremely overcharged. Either way this video shows you how to charge your battery safely using a charger.
