A work vehicle includes a cutter device for cutting plant in a field, a storage section for storing plant cut by the cutter device, an inclination angle sensor for detecting an inclination angle ((d)) of the vehicle body, a display device for displaying the inclination angle detected by the inclination angle sensor, and a reporting device for reporting the inclination angle exceeding a permissible inclination angle ((a)).

Lawnmowers are provided. A lawnmower includes a seat; a first battery receiving area defining a plurality of compartments, wherein the first battery receiving area is disposed behind the seat; a second battery receiving area configured to receive a second battery, wherein the second battery receiving area is disposed over a wheel of the lawnmower; a plurality of first batteries each removably receivable in one of the plurality of compartments; and a second battery removably receivable in the second battery receiving area, wherein the second battery is smaller than each of the plurality of first batteries, wherein the lawnmower is operational without the second battery electrically coupled to the lawnmower.

Lawnmowers are provided. A lawnmower includes a first battery having a first voltage, the first battery mounted on the lawnmower; a second battery having a second voltage different than the first voltage, the second battery mounted on the lawnmower; and a booster configured to boost the second voltage to the first voltage, wherein the booster is connected to a common rail operating at the first voltage.

A mulch plug accessory for a lawnmower includes a curvilinear plug wall having a convex side, and a plurality of alignment legs extending in a direction away from the convex side of the curvilinear plug wall. Each alignment leg has a distal end including a stop flange. The mulch plug accessory further includes a post extending in a direction away from the convex side of the curvilinear plug wall. A lawnmower including a main body having an ejection port also includes a mulch plug accessory configured to be selectively disposed within the ejection port.