An outdoor power unit, such as a mower or snow thrower, having a supplemental battery charging station mounted thereon is provided. The outdoor power unit utilizes a flywheel/alternator arrangement to output a selected voltage. The voltage is directed to the supplement battery charging station. The supplemental batteries are thereby charged at the charging station as the outdoor power unit is driven forward or in another direction. The outdoor power unit also includes a rack (which may be in the form of a hook) to carry a battery powered supplemental lawn maintenance tool, such as a weed trimmer, hedger, edger, or leaf blower, amongst others.

A mower having a supplemental battery charging station mounted thereon is provided. The mower utilizes a flywheel/alternator arrangement to output a selected voltage. The voltage is directed to the supplement battery charging station. The supplemental batteries are thereby charged at the charging station as the mower is driven forward or in another direction. The lawn mower also includes a rack (which may be in the form of a hook) to carry a battery powered supplemental lawn maintenance tool, such as a weed trimmer, hedger, edger, or leaf blower, amongst others.