Artic Cove Bucket Top Misting Fan works with Rechargeable 18-Volt Lithium-ion Battery(Bucket Not Included) by Arctic Cove Compatible with Ryobi 18 Volt One+ batteries Battery and Charger are sold separately Dual Purpose Foot Design for Sitting on a bucket or to use on a flat surface with garden hose Works with 18-volt lithium-ion battery for up 2.5 hours of run time and to 7 hours of - runtime with 4.0 battery and fan on low