PROsine 1000 Statpower inverters are pure sine-wave models that also feature built-in battery chargers, digital metering, and AC transfer switches like the Trace SW series. Although their wave form is superior, they cannot supply large starting surges like the Trace SW models. call for sale pricing Inverters PROsine 1000 1000-watt, with GFCI AC outlets $ 774 PROsine 1000 1000-watt, with AC hard wire $ 774 PROsine 1000 1000-watt, with AC hard wire & transfer switch $ 819 PROsine 1000 1000-watt, 24V with GFCI AC outlets $ 855 PROsine 1000 1000-watt, 24V with AC hard wire $ 855 PROsine 1000 1000-watt, 24V with AC hard wire & transfer switch $ 900 PROsine 1000 accessories