TECHNICAL SPECIFICATIONS – MICRO CONTROLLER BASED SOLAR CHARGE CONTROLLER. 12V / 12 AH SEALED MAINTENANCE FREE BATTERY. 40 WATT SOLAR PHOTOVOLTAIC PANEL. INDICATION - BATTERY LOW (RED), CHARGING (GREEN) & SYSTEM “ON” (YELLOW) HIGH QUALITY FEMALE, MALE SOCKETS AND ROCKER SWITCHES. METAL BOX WITH STEEL GARY FINISH. BACK UP PERIOD UNDER FULL CHARGE CONDITION (4 LAMP 9 TO 10 HRS. & 1 LAMP 22 HRS (+/-1) ) CHARGING TIME WITH SOLAR PANEL 5 / 6 HRS. UNDER DIRECT SUN LIGHT. SYSTEM DIA. – (L)190MM X (H)270MM X (W)115MM PANEL DIA. – (L)335MM X (H)444MM X (W)17MM