DUOSIDA Level 2 charger, EVSE, L2, EV, 16 Amp 220 volt - 240 volt - PORTABLE - Smart Car Forums
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post #1 of 7 (permalink) Old 04-18-2017, 11:35 AM Thread Starter
 
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DUOSIDA Level 2 charger, EVSE, L2, EV, 16 Amp 220 volt - 240 volt - PORTABLE

Hey there,

Does anyone know how this would work for our smart? Thank you for any advantages and/or disadvantages.

Best, PL
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post #2 of 7 (permalink) Old 04-18-2017, 01:36 PM
 
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Why no link to the product and specs??
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post #3 of 7 (permalink) Old 04-18-2017, 01:56 PM
 
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If you want 240v portables you should look for one that also does 110. That will generally be more available.

Have a look on Amazon.
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post #4 of 7 (permalink) Old 04-18-2017, 02:10 PM
 
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I have one of these and use it all the time. I took the the factory supplied one out of the car and carry the Duosida only. It can plug into 240 V or 120V outlets (with an adapter). I also made a couple of adapters to fit various oven, dryer, or high amperage outlets i might encounter when visiting friends/family. It runs at 16 amps and can be throttled down to 12 or 8 amps through the ED's on board charger. I even use a 12 Ga extension cord (100 ft) converted to 240 V (cut off ends and put on appropriate connectors) on a regular basis when I drive it to work. It is not watertight as the factory charger is, so i tuck it under or inside car when it rains. I have been extremely happy with it the last six months.
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post #5 of 7 (permalink) Old 04-19-2017, 06:41 AM
 
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Quote:
It runs at 16 amps and can be throttled down to 12 or 8 amps through the ED's on board charger.
As a correction, it is the ED's charger that is throttling down, not the EVSE. The EVSE is merely an electric outlet (or in your case, extension cord) with safety features, including communicating to the car's charger the maximum current that can be safely drawn from it. This is a redundancy in the case of Smart since it's charger only draws 15 amps at most - less than any 240 volt circuit it would be plugged into.
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post #6 of 7 (permalink) Old 04-20-2017, 06:19 AM
 
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120v @ 20A Nema 5-20

Hey Bryan,

From what you wrote I'm not entirely clear on the 120v behaviour. Certainly 240@16 is full on, but...

Have you used your duosida / dostar EVSE in a nema 5-20 (120v with 20A) and does it supply 16A to the car? The internal settings are 8A or 12A or "max". I'd assume it should be would like to confirm.

The receptacle at my wife's office is a nema 5-20 (the one with the T shape on the neutral side and a regular vertical hole for the hot side). It would be nice if she could get a 30% charge rate boost on the 120v circuit.

Thanks!
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post #7 of 7 (permalink) Old 04-21-2017, 03:34 PM
 
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The adapter just takes one leg to neutral. The on board charger can operate at 240 or 120v. The EVSE can also operate on 240 or 120v. Just made a straight thru adapter from the Duosida's plug to a normal 15 amp wall plug. Should work the same with a 5-20 120v plug. Just use the dash control to limit charging to 12 or 8 amps if needed based on circuit capabilities. With one leg you would get about 1.8 KW of charging (or 1.4KW at 12 amps or 900 W at 8 amps).
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