The CleanWave from Karcher is a battery-powered commercial-strength cold-water pressure washer engineered to meet the demands of professional cleaning tasks by partnering with environmental responsibility. The washer features AGM batteries with a run-time of up to 1.5 hours. The cordless design means the operator is not tethered to a power source. This pressure washer is also offered as a deluxe version, with advanced lithium-ion technology and a run-time of up to four hours.