Anyone ever buy LiFePO4 Cells from this company

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tercero
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Joined: 12/31/2006
Points: 26

I was searching ebay and came across this company

http://www.yesa.com.hk/

Before I lay down $440.00 for a 36v battery pack wanted to know if anyone had ever had any dealings with them?

Thanks,

J.

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decibel1
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Joined: 12/13/2006
Points: 170
Re: Anyone ever buy LiFePO4 Cells from this company

I purchased a 48V 20AH pack from them about two months ago. They shipped about when they said they would and the pack arrived in good shape in about 5 days. After the sale, they responded well to questions that I had and the pack appears to perform to specs.

mn_aerorider1
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Joined: 04/10/2007
Points: 50
Re: Anyone ever buy LiFePO4 Cells from this company
jstept
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Joined: 08/24/2007
Points: 57
Re: Anyone ever buy LiFePO4 Cells from this company

I bought two 36V 20Ah packs from Sam at YESA. I have not verified any of their functionality yet, but I have my fingers crossed. Sam was very responsive to all of my questions and was able to configure the two packs differently at my request. Shipping was prompt - Sam emailed me that the batteries shipped, and they arrived less than one week later. So far, so good.

Just another note on LifePO4: there's a gentleman in the Portland area who has done a very nice EV conversion of a Honda Insight, and it runs entirely on LifePO4 cells that he gets from Dewalt power tool batteries. He deconstructs them and reassembles the cells in the configuration he needs. I got a look at the car a few weeks ago at a meeting of the Oregon EV Association. He says there appears to be very little Peukert effect for his batteries, which gives me some hopes for my own project.

Jake

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The Rezistor: 1970 Vespa 50S Special conversion w/ Mars brushless motor, Sevcon Millipak controller, 36V 40Ah YESA LiFePO4 batteries

tercero
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Joined: 12/31/2006
Points: 26
Re: Anyone ever buy LiFePO4 Cells from this company

Thanks Brian for the link, and for the other quick responses everyone. Good to read that he's a relatively honest dealer. I'm going to order today.

J.

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arbiker501
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Joined: 12/11/2007
Points: 19
Re: Anyone ever buy LiFePO4 Cells from this company

So did you buy the pack and if so how did it go. Did you think it was a good experance or was it a bad idea?

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