What's the Difference Between kW and kWh? | EV Basics

EV Basics explains what the difference is between a kilowatt (kW) and a kilowatt-hour (kWh) and what these two terms mean. Despite their similar names, these two units of measure are completely different. Knowing the difference can help you shop smarter for an electric vehicle, and we'll show you how.

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0:00 Introduction
0:50 kW vs. kWh Simple Explanation
1:22 Kilowatts When Charging
2:20 Kilowatts in EV Output
2:50 Kilowatt-hours in Battery Packs
4:05 Kilowatt-hours per 100 Miles
4:51 Recapping
5:06 Wireless EV Charging by WiTricity
5:53 Using kW and kWh to Compare EVs

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[lowvaeater]

Great video addressing the confusion people might have going into electric.

Lucid Air Pure has well designed aerodynamics coupled with most efficient motor to give 5 miles per kWh.

[angeltena]

Thank you very much for the video. It is very informative. Just wanted to add another way to look at KWh as energy. We know that a Watt is a unit of power, which is actually Joules/second. If you substitute Watts with Joules/second, you have (Joules/second)*hour. The time units cancel out so the only unit that is left is Joules, which is actually the physics unit of energy.

[happyhippo]

Thank you for making this video. I love the water hose analogy which helped me a lot!

[georgepelton]

Great job explaining these important basics. Everyone involved with EVs in any way should watch this. Many need the education, but even those that understand the concepts of kW and kWh well can benefit by learning how to explain simply and clearly to others.

[holbak]

Very nicely explained. The only issue here would be the the idea of the cars being able to charge at full peak all the time which is never the case. A car with a bad charging curve may peak at 300kW but only for a very short while and then drop down to half for the rest of the time. Might be the reason why they have started to list how fast it charge between 10-80% instead.

[adnanmalik]

wow, i like your video. really it is very informative for those those want to learn .
i want to say thanks and thanks a lot

[demoticshadow]

Great info. Do you have any videos comparing Tesle? Was hoping to see similar side by side stats

[hjtam]

Brilliant way of presenting a very confusing subject, Youtube is better place with Channel like this. Well done!
In the example provided at the end,

Battery Capacity kWh Range (Miles) Mile per kWh
Polestar 75 270 3.60
KIA Ev6 58 232 4.00
Bolt 65 247 3.80

Looks like though the KIA Ev6 has the smallest battery size but it the most efficient EV of the three...

[MrAlthuraya]

you are the best channel who explain that to the world. thank you alot

[COSolar]

It far easier for most people to relate to miles per kilowatt hours than kilowatt hours per 100 miles. Fortunately many EVs give owners the option of which to display.

[gregorygoh]

How about explaining how long it takes to use the “hose” to fill the “bucket”

[cs_fl]

That is why I got the Ioniq 5 with the 80 KWH battery rear wheel drive. I can charge up quick at home or on the road.

[missella]

For the cheesy delivery of content to the entertaining 80's synth backgound music, this video gets a LIKE from me!

[dmdanleaf]

Well done, clear and concise with relatable examples.

[sdfawe-qoeq]

Hey! I recognize that charging station at @1:26. That's Walmart in Novi, MI!

Anyways, the only good spot to charge in Detroit area and still breaks down alot.

[engrirfan]

In simple kW in case of rate i.e charging (kW per hour ) and kWh is the amount of kW available for hour.

[iraklimaxarashvili]

How much time will it take to charge 100 kw/h battery with 200kw charger?

[sezkryd]

Pulling out the battery switch in the Nissan leaf he's like turning off your engine as any Prius c

[michaelbeargames]

Thanks for the clear information.
What's the equation for figuring out:
To 'fill' a #kWh 'tank' using a #kW 'hose' takes #minutes.

For example, the video shows various charging amounts [9.8kW to 100kW to 150kW] and shows [at 3:24] two 'tanks' [58kWh and 131kWh]. How long to 'fill' the 58kW 'tank' if it's being charged at only 20kW?

[denysarcuri]

Excellent content; excellent delivery. That's why I subscribed just now. Loved the comment in a previous installment) about your retirement savings being in crypto currency! 🤣