WindyNation TrakMax 30L LCD 30A MPPT Solar Charge Controller Regulator + Battery Temperature Sensor, 12 24 48 Volts User adjustable settings. Compatible with Lead Acid, Sealed Lead Acid (AGM), Gel and Lithium batteries and 12V/24V/48V batteries. Accepts up to 150 VDC solar input. Fast sweeping MPPT charge controller provides up to a 30% power increase in battery charging LCD Screen and LED's provide all system information (amps, volts, solar voltage, temperature, load control, etc) Optional Remote Meter can be mounted up to 20 feet from controller. Battery Temperature Sensors extend battery life by regulating charge as a function of temperature. Electronic protections: over voltage, reverse polarity, over current, excessive temperature and short circuit protected (controller is internally fused with replaceable fuses)