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ElectricScooterParts.com Support Center
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Upgrading a Razor Ecosmart Metro to commute to work
ESP Support
If you want it to go 25 MPH then a more powerful motor and controller could be custom installed such as our MOT-SD361000 36 Volt 1000 Watt 2600 RPM motor, SPD-361000B 36 Volt 1000 Watt controller, and SPR-2555 55 tooth wheel sprocket. The EcoSmart scooter's battery tray should be big enough to fit three 12 Volt 15Ah batteries to increase the range of the scooter with the new larger motor. Here is a gear ratio calculation showing the top speed with these parts installed.
A battery pack made from three 12 Volt 15Ah batteries would have more than twice the capacity of the original battery pack made from three 12 Volt 7Ah batteries so even though the scooter will have a faster top speed the range would be significantly increased and if the scooter was driven at its original speed of 18 MPH then the range should be around doubled with the 15Ah battery pack.
We can help making a conversion kit out of these parts that has matching and labeled connectors, or we could put together a complete parts list if you prefer to wire the parts together yourself.
Please let us know if you have any questions
Thanks for the quick response, this sounds exactly like what I'm looking for. My only question left is, should I upgrade to lithium ion batteries or stay with lead acid (ie, what is the price difference for my needs)?
If you could, send me a complete parts list to the email that I signed up with.
Appreciate it. :)
ESP Support
Lithium batteries usually cost around three to four time more than lead acid batteries so it depends how much you want to spend. For example a 36 Volt 12Ah lead acid battery pack may cost $120 and a 36 Volt 12Ah lithium battery pack may cost $450. The lithium battery pack should last three times longer than the lead acid battery pack though and it will be lighter.
For the parts list we need to know what method you would like to use to upgrade the scooter. Do you want to convert it to 48 Volts and use the original motor, or keep it at 36 Volts and upgrade the motor to 1000 Watts?
Hello again,
Please provide me a parts list using the 1000 Watt motor. If I buy the batteries first and use them without the other upgrades, will that cause any problems? Thanks.
ESP Support
Here is a list of the major parts needed for a 36 Volt 1000 Watt modification upgrade:
- 36V 1000W motor: MOT-SD361000 https://cart.electricscooterparts.com/36-volt-1000-watt-currie-electric-scooter-motor-with-11-tooth-sprocket
- 36V 1000W controller: SPD-SD1000 https://cart.electricscooterparts.com/36v-1000w-speed-controller-for-ezip-izip-and-schwinn-1000-series-electric-scooter
- Throttle for SPD-SD1000 controller: THR-500: https://cart.electricscooterparts.com/5-wire-throttle-with-battery-level-indicator-for-ezip-izip-currie-schwinn-mongoose-and-gt-electric-scooters-and-bikes
Please let us know if you have any questions.
ESP Support
The original battery charger would recharge the 15Ah battery pack however it would take twice as long to recharge it as the original 7Ah battery pack. The original 36 Volt 1.67 Amp charger should recharge the original 7Ah battery pack in 5 hours, and the same battery charger would take 10.8 hours to recharge the 15Ah battery pack.
Most electric scooter recharges are overnight so if 10.8 hours is an acceptable amount of time for the charger to take then the original charger will work fine. However, if you need a faster recharge time then a 36 Volt 2.5 or 3 Amp charger could be purchased.
A 36 Volt battery pack made from three of our 12 Volt 15Ah batteries will fit in an EcoSmart scooter without modifications. We sell this battery pack with wiring harness which is our item # ESM-BATTERYPACK-XR15 on the Razor EcoSmart parts page: https://electricscooterparts.com/razorecosmartmetroparts.html
And here is a direct link to it: https://cart.electricscooterparts.com/15ah-extended-range-battery-pack-with-wiring-harness-for-razor-ecosmart-metro-electric-scooter-includes-12-month-warranty
Richard K
Hello all,
I am completely new to electric scooters. Today I bought a used EcoSmart Metro scooter used that appears to run just fine other than the batteries need replacing -- they only last a few minutes before not having enough power to move the bike. The price was good enough that this is no problem, I planned on modding it anyway.
So the project I had in mind for this scooter is this: I want to try using it to commute to work. Legally in my state I can do 25mph in a bicycle lane, so that's what I want to do. My work is 6.2 miles away and I probably won't have access to a charger while at work, so I'd like it to have a range of 15 miles to be safe. I weigh 235 pounds and am 5'11.5", so I'm bigger than the usual scooter rider; that has to be taken into account.
To recap, here are the numbers:
Rider height: 5'11.5"
Rider weight: 235 pounds (maximum weight for the scooter is rated at 220)
Desired speed: 25mph (default rated for 18mph)
Desired range: 15 miles, or 7 miles with an easy portable charging solution (default rate is 7-10 miles)
If anyone here could point me to upgrades that I could buy to make the EcoSmart do what I want it to do, I'd greatly appreciate it. Again, I'm new to this, so a direct link to the product to purchase would be best.
Also, feel free to recommend mods to make the ride more comfortable and fun! I may be using this as a commuter, but I'm all for pimping my scooter. :) Thanks!