Note: The mobile APP does not support the Apple system. Stand-by current: 12V150ma, 24V80ma,48V50maFeatures:* Wide range of applications, suitable for villas, outdoor RVs, solar power generation systems, yachts and ships, solar billboards, solar street lights, etc.* Suitable for a variety of batteries, suitable for lead-acid batteries, lithium iron phosphate batteries, ternary lithium batteries, etc.* Industrial-grade main chip, intelligent control, LCD color screen display, multiple parameters can be adjusted, multiple protections are safer.* Multiple circuit protection, built-in near charging protection, short circuit protection, open circuit protection, reverse connection protection and other multiple protections, all of which are self-recovery and do not damage the controller.* APP real-time monitoring settings, you can check and set the working status of the machine at any time. Specification:Name: Solar ControllerMaterial: ABSRated charging current: 10A , 20A , 30A , 40A , 50A , 60ARated discharging current: 10A , 20A , 30A , 40A , 50A , 60AMax PV Volt: 12V system 25V/24Vsystem 50V/48Vsystem 100VThe USB output: 5V/2A MaxStand-by current: 12V150ma, 24V80ma,48V50maWork temperature: -20~+50Size: 155 * 197 * 86mm Lead-acid batteriesSystem voltage: 48V systemFloat voltage: default value 57.6V, adjustable value 52-60VDischarge cut-off voltage: default value 42.8V, adjustable value 38-44VDischarge recovery voltage: default value 50.4V, adjustable value 46-52V Ternary lithium batterySystem voltage: 48V system 13 stringsFloat voltage: default 54.6V, not adjustableDischarge cut-off voltage: default value 39V, adjustable value 39-45.4VDischarge recovery voltage: default value 45.4V, adjustable value 45.5-50.7V Lithium iron phosphate batterySystem voltage: 48V system 16 stringsFloat voltage: default 58.4V, not adjustableDischarge cut-off voltage: default value 47.2V, adjustable value 47.2-50VDischarge recovery voltage: default value 50V, adjustable value 50-54V Packing included:1 * Solar Controller Note:1. Please allow 1-3cm (0.4-1.18") difference due to manual measurement and slight color variation for different display setting.2. Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand.