SUPERNOVA M99 Mini Pro B54 battery Light ()

  • Sale
  • Regular price £462.00
Tax included.


The new flagship in the SUPERNOVA battery segment: The M99 MINI PROB54 with 54 Wh battery is the world's brightest StVZO-approved battery front light with low beam and high beam.

The battery is charged in just 2.5 h and provides up to 50 h of maximum lighting time. The SUPERNOVA App for Apple iOS and Android (including the Smartwatch version) makes it easy to control the light and display the state of charge down to the minute at any time.

The app communicates with the battery and rewards the user with an extension of the warranty period to up to 5 years if the Supernova Longlife technology is used.

Technical data M99 MINI PRO B54:

  • Pre-forged and CNC-milled aluminum housing with a 10-year warranty
  • High beam mode MAX: 1,600 lm, 275 lx, 24 Watt, 2h light duration (+2h reserve light)
  • High beam mode*: 1,150 lm, 260 lx, 16 Watt, 3.5 h light duration (+2h reserve light)
  • High beam mode ECO: 425 lm, 70 lx, 4 Watt, 13h light duration (+2h reserve light)
  • High beam with 56% larger opening angle than competitors’ front lights for better range and illumination of bends, etc.
  • Low beam mode: 450 lm, 150 lx, 5.2 W, 10h Lighting time (+2h reserve light)
  • Low beam mode ECO: 75 lm / 30 lx, 50 hours of light duration (+2h reserve light)
  • App displays exact remaining burn time**
  • Free additional features through software updates enhance the lighting system even further after purchase
  • Overview of the burn time according to different light modes
  • Watertight plug connection with screwable strain relief
  • Gold plated connector to magnetic high beam switch
  • Includes quick-release screw. Please order a suitable holder for 31,8 mm / 35 mm.
  • Universal high beam switch holder USH22-32 included
  • L x W x H: 32 x 78 x 50 mm
  • Weight: 130 g

Technical data B54 Battery Pack:

  • 54 Wh automotive 21700 cells, 10.9 V operating voltage
  • Bluetooth LE communication with Smartphone and Smartwatch (Android and iOS)
  • Polished aluminum casing for better heat reflection and dissipation from the battery cells
  • Light sensor automatically activates the low beam in darkness (passing tunnels, etc.).
  • Coming-Home mode (automatic switch-off triggered by vibration sensor)
  • Preheating function if charging temperature is too low as well as charging cut-off in case of overheating
  • Hibernation mode
  • Battery exchange for only 89.– €
  • Up to 5 years warranty with at least 50% use in long-life mode
  • Attachment to the bike with 50 mm Velcro tape (e.g. on top tube), padded holder
  • L x W x H: 98 x 46 x 50 mm
  • Weight: 300 g

Technical data B54 2A Charger:

  • Charging controlled by a processor with temperature measurement
  • 2.5 hrs fast charge with up to 2A charging current
  • Optional 6 hrs gradual charge (Longlife mode)
  • LED charge level indicator
  • Interchangeable mains plugs for EU included

*comparable with to the high beam of the M99 MINI PRO25 E-Bike head light

**If the light is used without the removable high beam switch, an automatic safety high beam dimming is actived in case connection is lost (e.g. empty smart watch battery)


  • Magnetic high beam switch with Micro-Goldconnector
  • Universal switch holder with o-ring, Ø 22 - 32 mm
  • B54 2A Charger Processor-controlled fast charger

Recommended accessory: Supernova Universal HBM
Choose the right clamping diameter: (Ø 31,8 mm / Ø 35 mm)


Energy source Rechargeable Battery
Switch Yes
High beam Yes
Parking light Yes
Light intensity, low beam 450 lm
Color Silver
Light intensity, high beam 1,150 lm