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[droidish]

Greetings!

After moving last summer the usability of my bike has changed. I would like to have access to public level 2 charging stations but I don’t want a Charge Tank.

I found this adapter  https://www.evseadapters.com/shop/en/ev-chargers-charger-adapters-extension-cords/21-j1772-to-iec-c13-adapter-for-electric-motorcyclescooter.html

The text says it has a “special circuit that tricks the charging station…”

The onboard charger on the bike can use 110 or 220 volts input. So would that adapter work for me?
TIA for any help and advice. 

[MVetter]

Yeah that'll work. It will charge at the same speed as plugging it into a wall.

[droidish]

Same speed, but less heat produced, is that correct?

[mdjak1]

I believe it is feeding 220/240 volts to the on board charger.   Less heat where?   Battery, no.   That is dictated by how many watts the OBC is rated for (which is also what dictates the speed).   On board charger, it might run cooler.

[droidish]

Sorry, yeah that’s what I meant, less heat generated by the onboard charger.

[rgutt]

I can't say definitely that Greenwatt chargers use switching power supplies, but assuming they do, feeding it 200 volts rather than 100 volts won't have an appreciable impact on the heat generated by the charger itself. Any gains you see will be realized through the lower current drawn from the mains.

[Specter]

For all practical purposes in this case.   The heat generated is more affected by the amps going thru it.   So whether you are putting 120 volts or 240 volts, the heat will be about the same because the amps into the charger are the same. 

In a purist sense, the higher voltage input would give you slightly less heat,  because there is less 'work' that needs to be done with that electricity to make it match the input voltage to the battery, however that is partially offset by the fact that the lower input voltage, although more 'work' is needed to make the voltage right, fewer overall amps are flowing out the ass end, and since that amp throttling is on the INPUT side of the charger generally this tends to balance out.

I have charged my Ribelle, which I believe uses the same basic type of built in charger for AC charging, and whether using 115  or 240 or something inbetween... using a thermal imager, am seeing the heat is really not that much different between the two charging voltages after charging for a few hours.

Aaron

[Motoproponent]

If you're near the Bay Area of California I can loan you one to try it out. I have one of those. I mounted it in the milk crate on the back of my daughter's Juiced Scorpion. We've used it to charge the bicycles and electric skateboards out in the wild. Any charging brick that that goes with an international product can usually accept 240 volt input. Even a smartphone/laptop charging brick. It's pretty cool to be out and about with a bunch of "last mile" riders and stop at a J-plug and plug in a beefy surge protector power strip. I've had 6 e-bike, Skateboards, Onewheels, and EUCs charging from one J1772 charger without worry of tripping the circuit. I have never used it for an electric motorcycle though.

It was novel the first few times I used it, but hasn't really been that great or useful. The chargers still output the same whether they are plugged into a 120 volt wall outlet or a 240 volt J1772 via this adapter. I've found a $15 outlet tester from the hardware store is more useful. I am always on the lookout for live outlets that I can just plug the brick into directly.

My wife has a DSR. We got a 25 feet long 14AWG cord from a computer supply company. You'd be surprised how easy it is to find a spot to park a dual sport within 25 feet of an outlet.

The j1772 to NEMA 5-15 just isn't necessary.