Sungold MPPT Solar Charge Controller Automatically detects 12V,24V, 48V DC system voltages MPPT Tracking efficiency can be as much as 99.9%. Support battery types: lithium batteries, sealed batteries, AGM Battery and self-definition. With built-in over temperature protection and current -limited charging Supports parallel function and breaks through the power limit of single unit. With built-in Bluetooth module, it can achieve mobile phone APP data interaction. LCD screen indicators for displaying system operation information, customizable parameters, and error codes. 60 AMP MPPT SOLAR CHARGE CONTROLLER The SunGoldPower 60A MPPT Charge Controller is the most efficient type of charge controller. With up to 99.9% tracking efficiency, it ensures maximum power point solar charging that gets more energy to your battery bank. Auto-detecting 12V/24V/48V different batteries system, Also you can view system performance in real-time with bluetooth ! 60A MPPT Solar Charge Controller Specifications MPPT Model: SGC482560A System Voltage: 12V/24V/36V/48V Maximum PV open-circuit voltage: 250V Max.PV Input Power: 800W/12V;1600W/24V; 3200W/48V; Self-Consumption: 0.54W Battery voltage: 9V~64V Operation temperature: -35°C ~ +65°C Bluetooth: Built-in bluetooth 4.0 BLE module Rated Charge Current: 60A MPPT tracing efficiency: >99% Communication way: TTL/Isolated RS485 Temperature compensation: -3mV/°C/2V (default) Protection grade: IP32 Weight: 7.9lb Product size: 10.5*7.6*4.7 inch Warranty: 1 year