... /W,3200~6500Ksolar panelsolar panel 35V 120W, mono, with 15% efficiencyBattery24V90AH, maintenance free Gel batterycontroller24V10A solar charge ... supply. 4.Gel battery provides excellent performance in locations with large temperature fluctuations 5. Smart Energy Saving Mode available: ... and free of maintenance 8. After sale service, with detailed after sale service terms, protect customer's benefit ...