Specifications




SpecificationDetails
Model Year2012
Price RRPNot specified
CategoryMountain Bike / ATB | -
eBike TypePedelec | up to 20 mph
Frame typemale
Frame size,
Weight46 lbs
Range37 miles * (60km)
Engine
Engine Positionrear hub
Engine Power250 Watt
Assists until20 mph
Battery TypeLithium-Ion
Battery Characteristics324.00 Wh / 9.00 Ah / 36.00 V
Range37 miles  (60km)
Gearshift/Brakes
Gearshift Typederailleur
Gears8
Gearshift BrandShimano Alivio
Brakes TypeV-Brake
Suspension
Suspension front/rearYes / No
Tires
Size26 x 1.75


Battery

Sony 36V 9Ah Lithium Ion 324 Watt Battery 

10s4p 2.25Ah Lion

Capacity Test


CapacityExpectedActualPercentage
Ah9 Ah2.6 Ah29%
Wh324 Wh93 Wh29%


Disassembly






New Battery

Configuration

10s4P



Layout


Batter Rebuild


New BMS



Circuit


Capacity Test


Capacity

Expected

Actual

Percentage

Ah9 Ah9.24 Ah103%
Wh324 Wh334 Wh103%


Motor Controller



Dimensions

Width2 3/8"
Length3 1/2"
Height1 3/4"


Wiring

Wire#

No. Wires

Wire ColorsPurpose
03

Green, Yellow, Blue

Motor 
13Red, Green, Yellow?
23Red, Blue, BlackPeddle Assist Sensor
32White, YellowBrakes
42White, YellowBrakes
53Purple, Grey, Black
63Red, Green, BlackThrottle?
72Orange, BrownVoltage Monitor?
81 cable - 5 wires?BlackDisplay?
092Red, BlackBattery Power


Hall Sensor?


 




Issues

Power Turns Off When Driving

Sometimes while driving the power turns off. Toggling the power switch fixes the issue and we can continue along.

Thoughts:

Observations:



References

ReferenceURL
Detailshttps://www.greenfinder-mobility.com/e-bikes/brand/fast4ward/#/product_preview/1375
Reviewhttps://www.youtube.com/watch?v=1bcUQ2ykW_M