Firefly MKII lighting at night
OwnerDan Baker
Owner's Other EVsFirefly
The Interceptor 25
LocationHalifax, Nova Scotia Canada map
Vehicle2013 Sylvan Mirage 820
2013 Sylvan Mirage 20' Pontoon boat
MotorMars ME 1003 Series Wound DC
Motor and controller from the Snowpig:


Electric drive components are expensive
but much easier to transport between
vehicles than petro fueled ones.
Hopefully I won't be boating and snow
clearing at the same time! :-)
DrivetrainTypically a gasoline Outboard but has been
outfitted with the Interceptor 25
ControllerAlltrax AXE-7245
Batteries6, 12.00 Volt, Lead-Acid, AGM
4 for EV drive, 2 for 12v accessories
System Voltage48 Volts
Instrumentationfishfinder, drive pack and accessory
voltage, motor temperature, fish finder/
depth gauge
Top Speed10 MPH (16 KPH)
Feels like you can almost pull a water skier
AccelerationGreat, acceleration is strong enough to
throw guests back in their seats. However
energy consumption and range are affected
greatly at that speed
Range5 Miles ( 8 Kilometers)
At 6 mph to 50% SOC. I could add more
batteries to increase range but weight could
become an issue.
Watt Hours/Mile1000 Wh/Mile
1kw/h per km. As measured from consumption
charger uses at
wall outlet.
EV Miles
Current:60 Miles (96 Kilometers)
Seating Capacity9 guests
Curb Weight2,600 Pounds (1,181 Kilograms)
Weight of boat (1800lbs + batteries and
converted outboard)
Tires24" pontoons
Conversion Timeaboutt 6 weeks
Additional FeaturesStereo with Bluetooth and USB
Upgraded Infinity 6" Infinity speakers x 4
1100 watt amp and 10" Dual voice coil subwoofer
Custom Interior accent LED lighting that color changes/flashes
to music.
Custom Pontoon LED lighting, each LED is addressable to flash
and change with 133 programs each.

Interceptor 25 motor almost completely redesigned to deliver
more power, drivetrain can now put close to 500 amps to the

Built for cruises on a small lake, almost 3x fast as the
Firefly MK I and more passenger capacity. More stereo and color
flashing music lights make this boat into an electric floating

Currently still adding more features including solar panel roof
and autopilot!

code by jerry