Travis Headway 38120S

Travis 

 

How did the Headway batteries perform? Did you buy some of them about a year ago.

 

Don

 

HeadWay
Product name: Cylindrical LiFePO4 lithium-ion battery
Model No.: HW 38120L(S)
Specifications: 10000mAh/3.2V
Add.: Tai Hu Road, Changxing Eco.&Tech. Development Zone,
Changxing County, Zhejiang Province, China
HeadWay NO.:HeadWay-WI-RD-01
1. specifications:
NO. ITEM Specifications
3-1 Rated capactiy 10000mAh (0.5c)
3-2 Rated voltage 3.2V
3-3 Resistance =8mO
3-4 Max. charging current 2C(20A)
3-5 Max. charging voltage 3.65±0.05V
3-6 Max. charging current 15C(150A)
3-7 Terminal discharged voltage 2.0V
Diameter 38±1mm
3-8 Dimensions
Heigth 146±1mm
3-9 Weight Approx.300g
Charging 0~45.
3-10
Working
temperature
Discharging -20~85.
In one month -20~45.
3-11 Storage temperature
In six
months
-20~35.
*The battery shall be in the state of half –fully charged or with the voltage of 3.2~3.3V
The cycle life testing curve and discharging and charging curve at 1C of 38120 10Ah cell:

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[tgintz]

I ordered some in May, got them in late july. They were shipped out and I've not heard of any issues from people... other than a few low cells. I had 200 cells, but when I was hired at EVComponents to do technical sales, They had a few customers that needed cells ASAP, so I sold all of mine off (I have 6 left). The latest shipment at EVComponents came in over the weekend and I'll be getting my 200 cells then.

 

We have some independant data that shows these cells performing VERY well at high discharge rates. the IR has not been measured, but manufacturer specs are lower IR than before. They make cells for Lifebatt, so I think they changed their processes a little over the last few months. I'm hopeful. We've only had a couple DOA cells, and headway has replaced the cells.

 

I'll definately update with results as I get them. We're preparing the CBA-II with amplifiers to test the HW cells, information is forthcoming.

 

Regards,

Travis Gintz

 

 

On Mon, Oct 19, 2009 at 2:13 PM, <Theoldcars@...> wrote:

Travis 

 

How did the Headway batteries perform? Did you buy some of them about a year ago.

 

Don

 

HeadWay
Product name: Cylindrical LiFePO4 lithium-ion battery
Model No.: HW 38120L(S)
Specifications: 10000mAh/3.2V
Add.: Tai Hu Road, Changxing Eco.&Tech. Development Zone,
Changxing County, Zhejiang Province, China
HeadWay NO.:HeadWay-WI-RD-01
1. specifications:
NO. ITEM Specifications
3-1 Rated capactiy 10000mAh (0.5c)
3-2 Rated voltage 3.2V
3-3 Resistance =8mO
3-4 Max. charging current 2C(20A)
3-5 Max. charging voltage 3.65±0.05V
3-6 Max. charging current 15C(150A)
3-7 Terminal discharged voltage 2.0V
Diameter 38±1mm
3-8 Dimensions
Heigth 146±1mm
3-9 Weight Approx.300g
Charging 0~45.
3-10
Working
temperature
Discharging -20~85.
In one month -20~45.
3-11 Storage temperature
In six
months
-20~35.
*The battery shall be in the state of half –fully charged or with the voltage of 3.2~3.3V
The cycle life testing curve and discharging and charging curve at 1C of 38120 10Ah cell:

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--
Travis Gintz
1986 Honda VFR DC conversion
Http://blog.evfr.net/

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