HRDi 12V/24V Solar & Wind Controller

Overcharge protection for the Rutland Windcharger & Solar PV Battery Charging Systems. 

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Often Purchased Together

HRDi Remote Display
HRDi Remote Display
£122.95 | 25 Points

The HRDi Charge Controller is the latest wind and solar regulator from Marlec. The HRDi has evolved from and improved on the successful HRDX controller. It provides Charge Control and Power Splitting for off-grid system with two independent batteries, such as the cranking battery and leisure battery on a boat. The contemporary design meets the needs of increasing power demands and features a useful digital display that shows the amount of generated free power, along with the battery state of charge. It is designed for use with the Rutland 504, 914i or FM910-4 Windchargers and up to 160W of solar panels.


  • Protects batteries from overcharging
  • Protects electronic equipment from high voltage damage
  • Automatic 12 Volt or 24 Volt setting
  • Temperature compensation for optimum charging
  • Multi stage charging for optimum charge regime
  • Built in charge / stop switch for installation & maintenance
  • Input for up to 160Watts of solar panels
  • For use with single or dual battery bank
  • Clear alpha-numeric digital LCD screen with user display options
  • Push button activated and timer controlled backlight
  • Accepts up to 6mm cable
  • Optional remote display can be added to dedicated port
  • Operating temperature:- 10C to 40C (LCD 0C to + 40C)

Dual Battery Controller - Suitable for the following Windchargers: 

  • 504 + 160W maximum peak rated solar panel 
  • 913 + 160W maximum peak rated solar panel 
  • 910-4 + 160W maximum peak rated solar panel 
  • 914i +160W maximum peak rated solar panel 
Can be used with 12V or 24V battery banks by auto-setting upon connection.

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