The EGO solar panel charger is the only charger approved for use with the EGO Nexus power station and recommended solar panels. Connect your solar panel charger to your EGO Nexus power station for convenient solar recharging. Genuine EGO parts will deliver the highest quality, performance. Recommended solar panels : Renogy RNG-100D-SS, Grapesolar GS-STAR-100W. Input Voltage: 12 V. Input Power: 180 W max.