We will be closing on the Wednesday 23rd December 2020 and reopening on Monday 4th January 2021. No orders can be despatched during this period and last orders for delivery during December is Monday 21st December.

National Luna Dual Battery Isolator and charger DC to DC 40 + Monitor and MPPT Solar Regulator

£ 613.50 inc. VAT

1 in stock

SKU: 14961 Category:


The NLDC-40 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, Solar panel or auxiliary DC source up to 40A output current.  Traditional 12V and 24V vehicle alternators, as well as variable voltage alternators, are supported.

Item number BMS-30401


  • True 40A output current
  • 6-stage intelligent charge algorithm
  • AGM, Gel, Wet, Calcium, Lithium-Ion batteries supported
  • Alternator input up to 32V
  • 40A, 600W MPPT solar regulator
  • Supports solar panels up to 42V
  • Separate auxiliary DC input up to 32V
  • Smart-alternator compatible
  • Battery temperature compensation for safe charging
  • Sealed to IP67 rating (waterproof)
  • Replaceable terminal block
  • Short-circuit protected
  • Reverse-polarity protected
  • Over-voltage protected
  • Over-temperature protected
  • Optional remote monitor

In the box:

  • NLDC-40 DC-DC charger
  • Universal mounting plate & fixtures
  • In-line fuses & holders
  • Temperature compensation probe
  • Ferrite ring (further reduces radio interference)
  • Installation kit including lugs and screws
  • Installation manual

Additional information

Weight 9 kg
Translate »

COVID-19: Our online store is open for home delivery but lead times may be longer than usual due to reduced staff.