Luna 4 Night Battery

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The BMC Luna CPAP and Auto Machines normally operate from AC power via the included AC power supply.

Now you can take your sleep therapy travelling with you!

4 Night Battery for BMC Luna CPAP and Auto Machines



This 3-4 Night Battery (4NB) kit is an optional accessory which provides battery power to run the BMC Luna CPAP and Auto Machines.



UPS Mode

This battery kit also provides UPS functionality that will automatically switch over from AC Power to DC Battery Power without interruption if you have a power cut during the night.

Unlike most other CPAP devices, you can also run the BMC Luna CPAP or Auto Machine WITH the humidifier using this battery for a short period of time (see results below)


Actual Battery Performance (new battery with full charge)

Based on patient tests, using a BMC Luna machine running at a constant pressure of 10cmH20 with no mask leaks, these results (actual not theoretical) were achieved;

  • 3-4 Night Run Time (without Humidifier) : >26 hours (26 hours 40 minutes)
  • Run Time (with Humidifier set to mid-range of 3): >6 hours (6 hours 41 minutes)
  • Battery charge time from flat: <5 hours
  • Battery Weight: 1.1kg
  • Battery Size: 240(L) x 125(W) x 23(D) mm
  • Battery Spec: 24VDC, 150Wh


BMC Luna 4 Night Battery (4NB) Kit

Included items:

  • 3-4 Night Battery (4NB)
  • AC Adaptor to charge the battery from any AC power source in the world (110VAC to 240VAC)
  • AC Power cord (Australian)
  • 24VDC lead to connect from battery to BMC Luna CPAP or Auto Machine
  • Travel Carry Bag with two zip compartments
  • Shoulder Strap
  • Operating Instructions


  • Your actual performance will vary depending on your machine settings and mask leaks.
  • BMC Luna Machine and Humidifier not included in this listing.

Warranty: 3 months

Last updated 14th September 2016


  • Model: 4NB150WH