Questions tagged [electric-vehicle]

An electric vehicle (EV) uses one or more electric motors for propulsion.

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Requirements for EV Vehicle-to-Home Support

I'm wondering what it takes for an EV to be able to be used as a home backup battery. It seems like in principle this could be relatively straight forward, but I suspect that the devil is in the ...
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Connection of Protective Earth in EVs [migrated]

I am new to this forum and this is my first question. I am reading about the Electric Vehicle and their charging. I went through this link - J1772, where the connector image is displayed. The ...
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Do Modern Cars Keep Event Logs?

On a trip out of town, my Kia Niro EV failed to start a charging session at five different Level 3 (high-speed DC) chargers. The first four were commercial chargers: two different ports on an EA ...
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Real World Performance of On-board EV Chargers

Kia's specs say that the on-board charger of the US model of the 2022 Niro EV has a capacity of 7.2 kW. We use a Grizzl-e Smart EVSE set to 40 A, it's fed by a 50A circuit (which derates to 40A). At ...
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EV Pedestrian Warning Sounds

The 2022 model year Kia Niro EVs have a backup alarm that would make a bulldozer on a construction site envious. It's loud enough that I feel quite self-conscious when I back out of our driveway early ...
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Understanding the Kia Niro EV 12V Auxiliary Battery Charging System

We have a 2022 Kia Niro EX EV (a US model) that we bought in April of 2022. Recently, starting in January of 2024, the 12V auxiliary battery (a T4-DL with 470 CCA and a 70 minute reserve capacity) has ...
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How are 800 volt EVs charged in 400 volt fast charging stations?

I have understood that most EVs have 400 volt batteries, but some newer EVs that can support fast charging rates have 800 volt batteries. EVs can be charged in two ways: either by AC charger with ...
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Why Tesla effectively loosing Fuel evey day or week

It may seem odd, when I ask about fuel in regards to Tesla. I yet do not own one, but some acquaintance ( with Tesla Y Long range, with total battery capacity of 326 miles) has tole me when I asked ...
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Why can't PHEVs be charged by the engine?

I was reading a little bit about PHEVs here. There's also Rory's video here about why PHEVs are pointless. The article says "The battery’s size means it can’t be recharged by the car as it drives ...
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Full tank ? empty tank ? frequent fills? What about EV

Sure it is agreed by most to not drive a petrol car on empty ,This is also true for lithium powered EV.Also for EV it is not so good to drive on 100% charge .If your application involves a very small ...
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What does an NG Ground Fault error status indicate?

This is for a Honda Clarity 2018 PHEV non-touring. Error shows up in the diagnostics screens. EDIT: adding photos... Furthermore, it should be noted that while the error appears to be persistent (I ...
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Level 2 Chargers and Energy Management Systems

I have 100 A service in my home; installing even a 40 A circuit for a 32 A level 2 charging station would put me razor-close to the safety limits of the service (as determined by a licensed ...
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Level 1 Charging Stations

These seem like basic questions about Level 1 chargers, but I cannot find the answers (possibly because everyone is rightly more interested in the Level 2 chargers.) How much current will a Level 1 ...
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Will solid state EV batteries be chargeable using current chargers?

It seems that solid state batteries in EVs may be only a few years off. Does anyone know whether current charging systems/plugs will be capable of charging these batteries?
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Why do Level 2 home charging points use 7 kW?

As I understand it in both the UK and the US (and I assume other places) have a Level 2 car charging standard that uses 7 kW and charges a standard car in about 9.5 hours. Why was this level chosen? ...
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Heat Pump vs. Air Conditioning -- Especially in EVs

My understanding is that a heat pump (as a heat source) is essentially an "air conditioner running backwards" -- given that, and since air conditioning is an (almost) universal feature in ...
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Is the 12v cigar lighter port in Teslas AC or DC?

Specifically, is it 12v AC in the 1st gen, pre-2016 April models? If there any that is not 12v DC of Tesla vehicles?
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Chevy Bolt - High Initial Energy Consumption

We just got a 2023 Bolt and its reporting energy consumption numbers that seem way out of line -- a "lifetime" (all of 152 miles) efficiency of 1.8 mi/kWh, and a "since full charge"...
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EV Charging Efficiency

On most (all?) EVs there is a "sweet spot" charging from 10 or 20 percent up to around 80 percent where the battery is accepting charge at a relatively high and even rate. Then somewhere ...
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Can frequent use of the rear glass heating wires lead to issues?

I’ve been tinkering with making a long dream of mine a reality next year: To drive around the globe and the 5 continents. I want to make sure, I’ll have backups of certain systems and want to know ...
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What are some installation best practices of a higher-wattage, pure-sine inverter to connect to pre-April, 2016 Model S Tesla?

This is a follow up question of "What is the best price-to-value 2000 w pure sine inverter for a mid-2015 Tesla Model S with a DC-DC inverter?" Question My understanding is there are (at ...
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What is the best price-to-value 2000 w pure sine inverter for a mid-2015 Tesla Model S with a DC-DC inverter? [closed]

On a non-OEM installation of a 1000 w inverter "us[ing] 4 AWG wire directly to the 12V battery posts with a 100A fuse on the positive terminal, and replaced the switch on the inverter with a ...
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EV Tracking & Privacy

I'm investigating the possible purchase of an EV, some privacy issues come to mind. I'd rather my car not be tracked... ie location, speed, or anything else for that matter. I don't want my car &...
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Need tool for "inside-out" nut with wires running through it

I'm tearing down a dead electric scooter, with the intention of salvaging any parts that might be useful as spares for the scooter of the same model that replaced it. However, I've run into a problem ...
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How to choose an electric engine for a motorcycle?

first time poster, first time lurker. I'm aware of how this sounds, but with me being a complete noob about most mechanics, I thought I'd rather ask. If I, hypothetically, wanted to change a 740cc/...
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Can EVs charge from solar panels directly?

Going to leave my car in an outdoor parking lot for a week, and it made me curious. Can I attach a small solar panel (<100W) to the inside of any modern EV such that there is a higher state of ...
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Battery level indicators in dashboard of four wheeler vehicles

Dashboard Symbols Lead acid batteries v/s Lithium ion batteries Lithium ion batteries used in electric vehicles Are there Battery level indicators on the dashboard of four wheeler vehicles? Can ...
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Is there any walkthrough material, or guide to set up solars on a Tesla to charge while driving?

I have found videos and full tutorials how to achieve solar charging with portable solar panels such that you could even non-temporarily affix to the top of the car, and charge when you stop (normally,...
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Factors Limiting EV Battery Acceptance Rate on DC Fast Chargers

There is a bunch of, relatively speaking, inexpensive EVs with 200-250 mile (320-400 kM) range -- e.g., the Kia Niro, Subaru Solterra, Volvo C40, and late model Nissan Leafs. All, in my experience ...
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Do electric cars have OBDII interfaces?

For passenger cars in the US, the OBD2 interface has been mandated for many years. The interface allows you to query a lot of car data from the computer using a scanner tool. The OBD2 system also sets ...
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PHEV Vehicule - What happens if you hit 0% battery?

Our Hyundai Ionic, when we do a lot of highway (with no charge opportunity), will sometimes go pretty low on battery, even while its been using fuel for a good while. Like we go down to 4%. My SO ...
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Fiat 500e charging EV discharged battery below "standard" charge level

I'm trying to revive Fiat 500e EV battery which is discharged after not using it for 3 months (second reason was bad 12V battery). I've disassembled whole battery pack below car and I have access to ...
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Honda BR-V v 1.5L Manual 2016 (India)

Does the Oil Life indicator function works on Honda BR-V v 1.5L (India) . If it works can you tell me the procedure how to bring Oil life indicator on its multi information display.
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Hyundai Ioniq charger: How does it deal with weather?

My carpark is open to elements so should I be worried by elements affecting my plug in cable? Like I would guess with rain it would be fine, but I'm in quebec so does it deal well with -30C ...
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Heatpipe in Motor shaft [closed]

I stumbled across this Tesla Patent for a Heatpipe in the electric motor's rotor shaft in order to get the Heat out of the Rotor. Does anyone know if Tesla is actually using this Technology in one of ...
Florian Kummer's user avatar
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Fiat 500e 2017 charger

i just owned a Fiat 500e 2017 sport package... i wanted to make sure that the charger that come with it is the real original one and not imitative, as i saw charger with different style, how i can ...
Saja Khamis's user avatar
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I can’t set time at my fiat 500e 2017

I recently owned a fiat 500e 2017 sport package, unfortunately when i click on the menu button to change the time (set time) the option doesn’t exist at all it only shows the charging schedule, charge ...
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I have a 20Kg frame, What sort of motor will i need to rip it?

With the driver the total weight is roughly 80kg. Im trying to build a drift tricicle and was wondering what sort of motor i should be looking at. I Plan on having a 2:1 ration to double my torque. ...
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Should I worry about the battery performance when not using my Xiaomi M365 not being used for a long time?

Before SARS-CoV-2 hit the world, I use to regularly ride my electrical scooter (Xiaomi M365) for commuting. Due to the epidemic the country entered an emergency state and we are all forced to sit @ ...
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Do electric cars corrode faster?

I am buying a new Peugeot e-208 (Full electric) and I noticed something strange in the contract: Peugeot warrants all its new cars for 12 years against corrosion, but for electric cars they reduce the ...
Kevin FONTAINE's user avatar
3 votes
2 answers
183 views

How do electric car batteries cope with the car standing idle?

I usually drive low-mileage runs and could easily charge an electric car at home. But what happens when I go on holiday? I charge the car at home, drive to an airport, then leave the car in a car ...
Peter Bill's user avatar
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Question on Electric Vehicle speed control

I have a very limited knowledge on Automobiles. Now, Imagine a ICE car on a straight road at constant speed. Suppose the engine rpm is 1000. Suddenly the car has to climb a steep hill. Now the driver ...
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Why do Electric Vehicles have higher fuel efficiency at sub-highway speeds?

For consumer vehicles, it seems that most people understand that while conventional gasoline motors operate most efficiently at highway speeds, electric motors provide better mileage for "city" ...
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Any spare wheel/tire inside BMW i3?

Does BMW i3 has any spare wheel/tire in the car or in the trunk? If not, is there any recommended way to carry a spare wheel/tire inside the car? See related discussions here: https://www.mybmwi3....
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Recommended gasoline types for BMW i3 --- store gasolines to extend the range

What are the recommended gasoline types for BMW i3 2014 or BMW i3 2015? I search online for a while, but I am not sure what are the types of gasoline we can use for BMW i3 2014 or BMW i3 2015? Is it ...
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Why are high performance electric cars promoted as requiring no gearbox?

Why are high performance electric cars promoted as requiring no gearbox? Moreover, why don't they have gearboxes ("a gearbox" in this context implies a gearbox with multiple selectable gear ratios)? ...
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Maintenance Plugs

I was going through the FSAE International Rule-Book 2019 and encountered the term Tractive System Accumulator Container – Maintenance Plugs at section no. EV.3.3 I am actually a bit confused that ...
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Tractive System Measuring Point

What is meant by the term 'Measuring Points' when used in reference to the manufacturing of electric Formula Racing car. I googled and somehow got the sense that measuring points are certain terminals ...
Onkar Singh's user avatar
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Park Break Cable Sensor

We are developing an autonomous vehicle as a university project. And we want to know if the parking brake cable is broken. I searched this on the internet. But I didn't find anything. Is there a ...
umuryasinalper's user avatar
2 votes
1 answer
134 views

Assessing battery condition on an EV

I'm considering the purchase of a used EV (electric vehicle, with no backup internal combustion engine). From what I understand, the battery condition of an EV, and therefore its maximum range ...
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