25-36 volts

chas_stevenson's picture

Modified Merida PC 550 LTD


Converting to DeWalt batteries. New pictures soon.

Batteries: 
6- 33-volt Dewalt packs (converted to 5P 12S A123 cells) 36-volts @ 11.5 AH
Charger: 
Converting to 40-volt powersupply with onboard BMS for A123
Controller: 
Chinese Scooter controller 36-volt 25-Amp
Conversion time and cost: 
Modification time 3 Days - Cost $135.00 USD Battery conversion $800.00 USD
Curb weight: 
68 Lbs. estimate after conversion to DeWalt batteries
Drivetrain: 
Bottom Bracket through a 4-speed Nexus Internally Geared Hub (lead configuration) Bottom Bracket through a 7-speed Nexus Internally Geared Hub (A123 configuration)
Heater: 
Sun
Lighting: 
LED Head Light,Tail Light and Brake Light
Method for 12v system: 
JW030C1-M DC-DC Power Module
Miles as an EV: 
All of them, About 450 Miles
Motor: 
400-watts
Number of wheels: 
2
Seating capacity: 
1
Top speed: 
23 MPH with lead amd 4-speed transmission ... Estimated 30 MPH with A123 cells and 7-speed transmission
Typical range: 
18 Miles with lead... Estimated 30 Miles with A123 cells
Watt-hours per mile: 
About 9.8
Location: 
Southern Illinois
Vehicle Type: 
System Voltage: 
before comments
reikiman's picture

Stretch bicycle

I've had this bicycle for many years and have configured it with a couple different electric drive systems. The first was a ZAP DX unit in 1997.

The current drive is a Wilderness Energy 36 volt brushed hub motor with 35 amp controller. It's not real speedy but it gets the job done. There's a thumb throttle on the handlebars.

Batteries: 
2 DeWalt 36v battery packs
Charger: 
DeWalt charger
Controller: 
WE 35amp controller
Conversion time and cost: 
Been tinkering with this bike for years
Drivetrain: 
Hub motor in front wheel
Heater: 
Nope
Lighting: 
not yet
Method for 12v system: 
N/A
Miles as an EV: 
A few hundred maybe
Motor: 
Wilderness Energy Brushed 36v
Number of wheels: 
2
Seating capacity: 
1
Top speed: 
20
Typical range: 
5 miles
Location: 
Mountain View, CA
Vehicle Type: 
System Voltage: 
before comments
Private Nukem's picture

The "eShark"

Got a great deal on this scooter so that my son has something fun to ride while waiting for the eRex to be complete. Built like a tank and tons of torque - climbs steep hills without hesitation even with me on it! Got me interested in building one for myself - but I want a 48V, 1200W powertrain and a bigger deck - might have to build my own chassis.

eShark1.jpg

eShark2.jpg

Heater: 
The sun
Batteries: 
3, 12V scooter batteries from China (stock)
Charger: 
Rad2Go 36V, 1.6 A charger
Controller: 
Stock Rad2Go E-36 controller
Conversion time and cost: 
$170 used off eBay (new they are ` $500); repair/update costs of ~ $40 so far
Curb weight: 
80#
Drivetrain: 
36V, 800W motor; 11t primary gear
Lighting: 
LED blinking tail lamp for conspicuity - working on LED headlight - both with independent batteries
Method for 12v system: 
None needed
Miles as an EV: 
> 100 miles
Motor: 
800 W Rad2Go stock
Number of wheels: 
2
Seating capacity: 
1
Top speed: 
20 mph
Typical range: 
8-10 miles
Location: 
SE Wisconsin
Vehicle maker: 
Vehicle Type: 
System Voltage: 
before comments

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