![]() A lawn mower has two charging cables: a red positive cable, and a black negative cable. The best way to find the battery is to consult the owner’s manual. If you’re using a riding lawn mower, the battery is found underneath the seat. Unplug the charger from the electrical outlet. Put on protective clothing, including gloves and safety glasses. Here is a step-by-step guide to charging an electric riding lawn mower battery Charge an Electric Riding Lawn Mower Battery Just pop the battery back on the charger until it’s fully charged for that first cut of the season. So if you’ve left a fully charged battery in the garage over winter, it’s not going dead if it only lasts 50 minutes on that first cut come spring. It may leak out only a few percentage points per month. However, the discharge takes place slowly. This means a fully charged battery will slowly drain while off the charger. Batteries also have some amount of self-discharge, sometimes called “leakage current” or “parasitic current,” Koenig says. Older batteries become more resistive internally, and have to work harder to complete the same amount of output, he says. “When it starts to wear out, the biggest thing you’ll see is it won’t last as long”, says Gary Koenig, associate professor in chemical engineering at the University of Virginia. How Will I Know When My Battery Starts to Wear Out?Īssociate professor Gary Koenig, University of Virginia To charge them, you need specific charger cables or chargers that plug into the wall on one side and into the mower on the other through a built-in charging port in the mower itself. For example, the Ryobi RY48110 uses four 12-volt, lead acid batteries connected in a series. To recharge the battery pack, remove it from the mower and use an appropriate battery charger.Įlectric riding mowers use larger batteries (like car batteries). Note: In this article, we will be talking exclusively about electric lawn mowers.Įlectric push mowers, which comprise about 80% of the electric mower market, use a rechargeable battery pack as a power source. Tips for Maintaining Your Lawn Mower Battery.Dos and Don’ts of Charging a Lawn Mower Battery.Charge an Electric Riding Lawn Mower Battery.How Will I Know When My Battery Starts to Wear Out?.
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