... trackersolar tracker,solar actuator,solar tracking system,PV tracker,SPZTF-S-18 mechanical life: 30yea Automatic dual- ... trackersolar tracker,solar actuator,solar tracking system,PV tracker,SPZTF-S-18 Peak power: 18kw Track-driven power: ≤46wTracking accuracy: ≤±0.05 ... °Mechanical life: 30years Automatic dual-axis solar tracker,solar tracking system