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Old 12-11-2008, 10:28 AM   #1 (permalink)
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LiFePo4 battery supplier

Dear Sir or Madam who may concerns,
How are you doing?

I would like to introduce our company as a professional manufacturer and exporter of Li-ion battery with more than 8-year industrial experiences.

I am Ken Cheung, sale manager from Electric Vehicle Power System Technology Co. Ltd.

Our company is specializing in Li-ion battery research, development and manufacture, covering an area of 20,000 square meters, EVPST is one of the best Lithium-ion battery manufacture companies with the large capital investment and most-advance technology in China.

EVPST attaches great importance to scientific innovation, has succeeded in possessing 12 invention & utility patents and applying for another 10 more scientific patents.

The products cover four series including Lithium-ion battery, Polymer li-ion battery, Prismatic li-ion, Cylindrical battery (all with high quality export materials including LiFePo4, LiCoO2, LiMn2O4),over 3000 king of batteries in different specification.

The more than 100 types of lithium ion cores covering four series of, Prismatic, Polymer, and High Capacity Li-ion battery have been successfully put into market. Voltage of the power battery is from 3.2V~3.65V and the capacity is range from 7Ah to 120Ah(LiFePo4 7Ah ,8Ah,9Ah,10Ah,12Ah,15Ah (2000cycles with DOD at 60% ),20Ah,40Ah,55Ah,60Ah,80Ah,120Ah with 1500cycles 80%DOD ). They have been now widely used in the fields of IT, EV, E-BIKE, POWER TOOLS etc. It becomes the top company in its field for the battery's high power, nice safety guarantee, reasonable price and the best after-sale service.

We can supply you with whole solution including LiFePO4 battery packs and BMS with cell-balancing. We also have 3.2v10Ah prismatic cell, which with 10C continuous discharging current and 30C pulse discharging current.

I do believe that the performance and profit of your products will be improved greatly with our Li-ion battery.

For more details of the products you can visit our website at (PM poster for contact info.)

Sincerely hope we can enter into a long-term business relationship. Looking forward to your early reply.

B.Regards,
Ken Cheung/Sales Manager


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Old 12-11-2008, 10:53 AM   #2 (permalink)
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What's the cost per kWh of your LiFePO4 batteries?
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Old 12-11-2008, 11:04 AM   #3 (permalink)
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I'll be surprised if you get a response...

I suspect this is just link spamming. I've deleted the poster's contact info/web links. Interested parties can PM him or reply to this thread and see if there's any reply. I doubt it, but we'll see.
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Old 12-11-2008, 11:29 AM   #4 (permalink)
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^they've got a intro thread saying they're droppin in a line. so maybe?
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Old 12-11-2008, 11:33 AM   #5 (permalink)
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Quote:
Originally Posted by roflwaffle View Post
What's the cost per kWh of your LiFePO4 batteries?
Thank you for your response. please send me an email. I need more details on your EV. So would you please advise us the motor power of your EV ?And the working current and peack current ? some tech. datums of the the controller? The weight of the vehicle ? your expect mileage? I am looking forward to your email.
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Old 12-11-2008, 11:38 AM   #6 (permalink)
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^
Well MetroMPG, there you go

Maybe you can get some deal for batteries on the Forkenswift? maybe an endorsement or something? It could benefit both parties for research.
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Old 12-11-2008, 11:45 AM   #7 (permalink)
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ok, PM me is all right, thank you.
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Old 12-11-2008, 12:22 PM   #8 (permalink)
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Quote:
Originally Posted by ken102282 View Post
Thank you for your response. please send me an email. I need more details on your EV. So would you please advise us the motor power of your EV ?And the working current and peack current ? some tech. datums of the the controller? The weight of the vehicle ? your expect mileage? I am looking forward to your email.
Hmmm, lets see. Assume I'm using 50 of the 120AH cells. That should give me ~25kW max continuous and ~50kW pulse with ~50 miles of range in a compact car.
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Old 12-11-2008, 06:50 PM   #9 (permalink)
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Hey, no assuming!

We have (at least!) 3 perfectly good cars to use as real-world data sources!

Mine is 72V system.
6x100ah lead acid gel batteries.
20 HP motor and gets a 20 mile range!

maximum power draw is 400 amps at 72 volts
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Old 12-11-2008, 10:11 PM   #10 (permalink)
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What kinda voltage sag are you looking at Ben? That's ~29kW peak assuming the batteries stay at 72V, and even w/ losses you should be 25-30hp unless you get some serious drop.


Last edited by roflwaffle; 12-12-2008 at 07:13 PM..
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