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What batteries can I get for $5k

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Richo View Drop Down
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    Posted: 25 June 2015 at 12:28pm
This is a thread started for 7Circle.

Originally posted by 7circle 7circle wrote:

There is so much miss leading info on the web's and from unit's and other research.

I have some saved cash .. and before I waste it I want to buy some good batteries.

Not second hand used one's.

So for $5000 what cells would be good.

But I need a BMS and 6hr charger (C/6).

So what would allow me 195 kW peak (10sec)
And 95W continuous.

EIG SOUND popular for power applications.

Need to do more study.

$1/wh would give me 5000 W.h
50 kW cruise power at 100km/h.
5000/50000 = 0.1hour 6min

10KW at 40km/h gives 30min
Or 20km

So 200 kW peak 5 kW.h 40C rate discharge.
50kW is 10C
10kW is 2C

There are some dream targets of midnight persuasion.

I hope in 2015 they are achievable.

Cheers 7c



Originally posted by 7circle 7circle wrote:

What type of batteries should I buy for conversion?

$5k maybe less

For plugin hybrid conversion.

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Richo View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Richo Quote  Post ReplyReply Direct Link To This Post Posted: 25 June 2015 at 12:31pm
Originally posted by offgridQLD offgridQLD wrote:

My vote would go to OEM ev cells, Leaf, Tesla. Lifepo4 is heavy, bulky and not nessaseraly inexpensive compared to salvaged OEM cells.

Kurt
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Richo Quote  Post ReplyReply Direct Link To This Post Posted: 25 June 2015 at 12:39pm
Ok as a baseline we could look at the TS cells and go up.

45 x 3.2V60Ah TS cells
$4860.00
103.5kg
8640Wh
~25kW continuous
~50kW peak?!?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Richo Quote  Post ReplyReply Direct Link To This Post Posted: 25 June 2015 at 12:45pm
200 x 3.2V10Ah Headway cells
$4840.00
70kg
6400Wh
~20kW continuous
~64kW peak
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Richo Quote  Post ReplyReply Direct Link To This Post Posted: 25 June 2015 at 12:52pm
100 x 3.6V8.5Ah LiMn2O4 cells
USD$3480
32kg
3060Wh
~61kW continuous (claimed)
~73kW peak (Claimed)
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Post Options Post Options   Thanks (0) Thanks(0)   Quote antiscab Quote  Post ReplyReply Direct Link To This Post Posted: 25 June 2015 at 10:01pm
40 x leaf modules
$5k ish
152kg
20'000Wh
30kw continuous (probably)
150kw peak (10 sec, claimed)

pushing all the above cells that hard won't lead to overly good service life to be honest
Matt
2008 Mazda 2 - EV Shop convert
2011 Blade Electron mk6
2007 vectrix - 117'000km
1993 Electrolux - needs batt and charger
1998 Prius - needs batt
1999 Prius - needs batt
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Richo Quote  Post ReplyReply Direct Link To This Post Posted: 29 June 2015 at 12:54pm
Where would we get leaf cells? other than a hi-jacked leaf
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Richo Quote  Post ReplyReply Direct Link To This Post Posted: 29 June 2015 at 12:56pm
Originally posted by antiscab antiscab wrote:

pushing all the above cells that hard won't lead to overly good service life to be honest


I agree but it wasn't part of the technical specs
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