Replacement Ni-Cad Battery For Powervent 3000 Or Day&Night 2000 Cat. No. N20590 Weight 1 lbs	$20.67
Rechargeable replacement battery can be used for current Day/Night Plus vents as well as older model PowerVent 3000 and Day/Night 2000 Vents. High capacity C-cell battery 1.2 volts, 2.0 amp-hours Average life: 3-5 years Environmentally friendly