MPPT Solar Controller 12V 24V 10A Bluetooth PWM Fast Charging Water Resistant Universal for Sealed Battery Item Type: MPPT Solar Charge Controller Material: Integrated aluminum alloy shell Battery Type: 12 to 24V Sealed Battery Universal Battery Voltage: 12 to 24V Battery Charging Current: ≤10A Maximum Solar Input Power: 12V 150W; 24V 300W Maximum DC Output Current: 10A No Battery Mode: Support 12V Battery Activation Function: Yes Output Mode: Normally Open (24 hour Power Supply) Connection Method: Infrared + Bluetooth Size: Approx. 92x104x27.8mm / 3.62x4.09x1.09in Hole Distance: Approx. 94-45mm/3.7-1.8in; R4 Normally Open Output: Under normal battery voltage conditions, the mode discharges both day and night Pure Light Control: When the controller detects that the solar panel is at the night turn on voltage point, the load is turned on until the solar panel voltage is higher than the light control turn off voltage again, and the load is turned off (automatically turned off during the day, automatically turned on at night, automatically adjusted in winter and summer, the sooner it gets dark, the sooner it closes, and it gets dark late and it opens late) Light Control+Timing: When the controller detects that the solar panel is at the night voltage point, it directly turns on the load and works continuously for a fixed number of hours before turning off. Weight: Approx. 465.00g / 16.4oz