The GPU-409-iHS is a Hybrid Solid-State 90kVA mobile GPU which uses Lithium Batteries and a 19kW GENSET. No charging infrastructure needed as the onboard GENSET can charge the batteries. Hybrid GPU powertrain is optimized to run GENSET at peak efficiency resulting up to 30% daily operational cost savings for customers, compared to traditional diesel GPUs.​This product has a lower maintenance costs due to smaller GENSET and no complex aftertreatment as DEF is not required.