The moisture meter can quickly measure the moisture content of the grain. 1. 2. Full electronic protection: against reverse charge, against reverse PV, against PV short circuit, overcurrent load side. 3. Multifunctionality: Modbus protocol support. You can connect an external LCD screen or Bluetooth module to improve the data quality and condition of the device, as well as modify the controller parameters. 4. Temperature compensation: Built-in temperature control by lowering load parameters, no need to power the fan and stable operation in extreme temperature conditions. 5. 6. Adjustable parameters: support gel and lithium batteries, etc., users can adjust the charging parameters. Suitable for photovoltaic systems used in home power generators, base stations, campsites, yachts, ships, etc. Specification: Item Type: Solar Charging Controller Material: ABS Charging Type: MPPT Supply Voltage: 12V/24V Automatic Identification Maximum charging and discharging current: 20A Maximum starting voltage of the open solar panel: 100 V (when heat transfer), 92 V (at a standard temperature of 25C) Maximum photovoltaic input power: 260 W (12 V), 520 W (24 V) Output voltage USB: 5 V/1 A x 2 Power Consumption: 50mA Operating temperature: -20- 55 Clamp wire thickness: 10 m (/7 AWG) Waterproof Class: IP30 Rechargeable Battery: Gel battery, lithium battery, and more Applications: Photovoltaic systems used in households, as power generators, base stations, tourist campsites, yachts, ships, etc. List of ingredients: 1 x Solar Charging Controller 1 x Instructor