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Product Information

National Luna 25Amp Dual Battery Isolator and Charger with Monitor
  • The NLDC-25 from National Luna is a DC to DC battery charger and isolator for a dual-battery system.
  • It will charge an auxiliary or service battery from a vehicle alternator or Solar panel up to 25A output current.
  • Traditional 12V and 24V vehicle alternators as well as variable voltage alternators are supported.
  • The integrated MPPT solar regulator provides a maximum output power of 375W but can support solar panels higher than this.
  • Solar panel voltages up to 42V can be connected.
  • The NLDC-25 features a 6-stage charge algorithm that is suitable for any Lead-Acid battery type as well as automotive Lithium-Ion batteries.
  • 3 safety stages analyse the battery and can detect batteries that are damaged and unable to accept charge.
  • Temperature compensation is used to optimise the output voltage, ensuring safe and full battery charging under various conditions.
  • The NLDC-25 supports the connection of a remote monitor that displays information about the system and battery levels to the user on a high-contrast L
  • The NLDC-25 has a IP67 rating for harsh environments and is protected against reverse-polarity, over-voltage, over-temperature and over-current condit
  • Smart-alternator compatible
  • Short-circuit protected
  • Reverse-polarity protected
  • Replaceable terminal block
  • Sealed to IP67 rating (waterproof)
  • Over-voltage protected
  • Over-temperature protected
  • The Remote Monitor for the NLDC-25 provides status information about the system and batteries on a high-contrast LCD screen
  • Information such as Main and Auxiliary battery voltages, charge mode, charge current, battery type, battery temperature and error conditions are displ
  • In addition to the selectable screen modes, the user is able to increase or decrease the screen brightness and choose to turn the display on or off.
  • The screen will turn off automatically when the system is idle.
  • It will turn on automatically when the next charge cycle starts.
  • The remote monitor will respond and indicate various error conditions that may occur under normal operation.
  • NB THIS MONITOR IS ONLY COMPATABLE WITH THE NLDC-DC CONVERTER

Product Documents

National Luna 25Amp Dual Battery Isolator and Charger with Monitor

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