compact situationswitchesheaterbatteryboxBMS appfirst test mount
OwnerRichard Schneider
LocationNorth Rhine-Westphalia Germany map
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Vehicle1995 Fiat Cinquecento
lightweight minicar with simple technique for
our first conversion
Motor Enstroj EMRAX 228 3-Phase AC
permanent magnet motor, brushless, low voltage
version, combined(liquid/air)-cooled, IP21, up
to 100kW, up to 240Nm, up to 98% efficiency,
Drivetrainoriginal 5 speed gearbox without clutch.
Changing the gears very easy because of the
lightweight rotating masses of the EMRAX.
Controller Emsiso edrive 400
400A, 125V, IP65 PU-potted
Batteries36 CALB/Skyenergy CAM72, 3.20 Volt, Lithium Iron Phosphate
monitored by Emus BMS
System Voltage125 Volts
Charger TC Charger HK-J 3,3kW
230V 16A AC,132V 32A DC, IP67, aircooled,
mounted in the opened original tank
HeaterDBK, about 1kW, self adjusting PTC heating
element, mounted instead of the original heating
DC/DC Converter DMC WA9612450
InstrumentationAndroid based radio "Joying" with Emus BMS App
installed (working perfect)
Top Speed70 MPH (112 KPH)
more possible but not tested yet
Accelerationnice :-)
Range30 Miles (48 Kilometers)
in winter, not really tested, calculated by BMS
Watt Hours/Mile210 Wh/Mile
city traffic, demanding right foot
EV Miles
Start:65,000 Miles (104,585 Kilometers)
Current:65,130 Miles (104,794 Kilometers)
Total:130 Miles (209 Kilometers)
    As of 2/27/2018
Seating Capacity5 adults, as original
Curb Weight1,630 Pounds (740 Kilograms)
only 30kg more than original
Tires145/70R13 Yokohama "Blue Earth" summer
Conversion Time1 year,school project of my eldest son(12th
grade, "Jahresarbeit" at Waldorf School),
finished on the last day (of course), me as the
assistant (and wallet)
Conversion Cost12,5 kEuro with new and used parts and the
technical inspections for the license plate
Additional FeaturesAudi electric vacuum pump with 2,2l reservoir and vacuum switch
Mercedes electric waterpump for cooling circuit(motor and controller)
GigaVac DC HV contactors
Panasonic DC HV relais
Bussmann DC HV main fuse 600A
Schrack DC HV circuit protection breakers

electric brake possible, but not activated yet
regeneration possible, but not activated yet
field weakening for higher rpm possible, but not activated yet
P/I regulation tuning not carried out yet (car not very dynamic by

code by jerry