Front RackRear RackFrontrearcontrollerBottom
OwnerKen Chiang
LocationCastro Valley, California United States map
Vehicle1986 Toyota MR2
A zero emissions electric vehicle
energized from solar panels.
MotorAdvanced DC FB 4001a Series Wound DC
DrivetrainOriginal transmission
ControllerCurtis 1231C
750 amp max.
Batteries45 CALB/Skyenergy 180ah, 3.40 Volt, Lithium Iron Phosphate
System Voltage144 Volts
ChargerManzanita Micro PFC30M
DC/DC ConverterAstrodyne
Instrumentationlighted Ammeter
EV Display 2
6 Cellog8 battery monitoring
stock tachometer driven by speed sensor
on aux shaft.
check engine light connected to motor
overheat switch.
Top Speed85 MPH (136 KPH)
got up to 85mph on freeway flat ground.
Amperage draw 300 amps.
AccelerationTires are slipping.
Range82 Miles (131 Kilometers)
Tested 82 miles and drained the LiFePO4
cells from 3.4 to 3.14.

Watt Hours/Mile331 Wh/Mile
Used a Kill-a-watt meter and measured
15.24 kwh to replenish the energy used to
drive 46 miles at freeways speeds.
EV Miles
Start:130,382 Miles (209,784 Kilometers)
Current:140,680 Miles (226,354 Kilometers)
Total:10,298 Miles (16,569 Kilometers)
Seating Capacity2 adults
Curb Weight2,725 Pounds (1,238 Kilograms)
2365 lbs before conversion.
2725 lbs after conversion.
TiresCame with the car filled to 40 psi
Conversion Time7/1/08 just starting and taking my
4/10/09 got motor and transmission
Contemplating batteries.
6/18/11 on the local roads!!!!
7/4/11 ready for CA bar referee!
8/8/11 Registered as electric with DMV.
Conversion CostAbout 25k not counting tools and redo's
Additional FeaturesCar will be charged for free off my solar panels.
Despite cursing and swearing in the garage when things
didn't go well. I enjoyed the conversion process and am am
loving the drive of an EV.

code by jerry