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Print 88 comment(s) - last by Go_Plugless.. on Jun 26 at 9:42 PM

It's only for the Chevrolet Volt and Nissan Leaf

Bosch is giving electric vehicle (EV) drivers a wireless charging option, and even new financing plans to help them afford it. 

Bosch Automotive Service Solutions teamed up with Evatran Group Inc. to offer a Level 2 240-volt wireless charging unit. It's only compatible with the Chevrolet Volt and Nissan Leaf for now, but will open up to other models later. 

Bosch recently announced its wired charging system, Power Max home charging. It only costs $449 while the new wireless system costs a whopping $3,000 -- but Bosch believes that convenience will be key to sales of the expensive wireless option.


“The main reason is convenience,” Kevin Mull, vice president of business development at Bosch Automotive Service Solutions told PluginCars. “We think this is a very viable future technology and over time, with advancements in technology, the price will start to come down.”

To help EV drivers who want the wired or wireless system, but can't afford it, Bosch is offering financing options. Option #1 includes $0 down with no monthly payments for 12 months if repaid in full in a year for charging stations that cost $1,000 or more. Option #2 offers $0 down and a five-year 2.99 percent loan on charging stations of $3,500 or more (including installation).

Source: Plugin Cars



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RE: Efficiency
By Shig on 6/16/2013 1:56:41 PM , Rating: 2
http://www.wirelesspowerconsortium.com/technology/...

That is the 2% he is talking about, but that's for phones. I'm not sure how different it is for higher power. I can't think it's THAT different, I'd assume more losses at higher power levels, but not insane amounts.


RE: Efficiency
By Shig on 6/16/2013 1:58:32 PM , Rating: 1
After reading a little bit more it seems like it's more a question of how quality are the components rather than physics.

Some wireless chargers will be good and some will be shit, there's not enough data to really compare yet.


RE: Efficiency
By xelc on 6/17/2013 8:55:29 AM , Rating: 2
I read the page and the wireless power link's transfer efficiency if 70% of copper wire. The 2% percent you think is the difference probably came from subtracting this 70% from efficiency of power adapter which is 72% and is same for wired and wireless charger.


RE: Efficiency
By karimtemple on 6/17/2013 9:23:01 AM , Rating: 2
I don't think you're reading that page correctly:
quote:
The transfer efficiency of the wireless power link is typically 70%.
It uses the 70% figure more than once, it one case using the phrase "up to," implying that this is a high-quality target that is often missed due to cost-cutting. Other sources I Googled up use "60% - 70%" as well.

Interestingly, one source I found claimed that resonance charging (induction charging's sister) is getting "80% - 90%" in the lab.


RE: Efficiency
By BRB29 on 6/17/2013 9:57:23 AM , Rating: 2
HOW DOES THAT COMPARE WITH THE WIRED CHARGERS?

Total power consumption of two wired chargers: 2 * ( 2.8 + 2.8 ) = 11.2 Wh
Total power consumption of one wireless charger with two receivers: 7.9 + 2.8 = 10.7 Wh

You see that the total energy consumption is comparable. Although wireless transfer is obviously not as efficient as transport over a copper wire, wireless power transmitters saves standby power energy when the wireless transmitter replaces multiple external power adapters.


RE: Efficiency
By karimtemple on 6/17/2013 10:16:38 AM , Rating: 2
quote:
Total power consumption of two wired chargers: 2 * ( 2.8 + 2.8 ) = 11.2 Wh
Total power consumption of one wireless charger with two receivers: 7.9 + 2.8 = 10.7 Wh
This comparison is for two mobile devices charging simultaneously on one wireless charger vs. two wired charging adapters. I don't find this comparison to be invalid, except that this use case is improbable, probably impossible, for the Bosch device in question. One for one, the wireless charger in this example is actually drawing twice the power.


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