Solar battery charger Tecmate DUO [Size 20 W]

Charges and maintains a 12V battery during the day and monitors and displays the battery's state of charge at nightThe solar panel is where the sun is and the charger is where the battery is, so you have immediate battery status information at your fingertips where it matters mostSaves dead batteries at 4V and above with its unique pulse actionRange/distance between battery and panel is 124" (extension cords sold separately)Battery status is displayed every 3 secondsAvailability indication for STD, high performance AGM and LFPC lithium batteriesConsumes less than 0.5mA in monitor mode.Automatically switches to CHARGE mode when solar power is sufficient