M2 Power prices

1187 Views 5 Replies 3 Participants Last post by jeremyjs, Jan 18, 2011

Duxuk

Discussion Starter · Jan 17, 2011

I just noticed M2 Power in the ads section below. They list a very convenietly sized 4 cell 40AH unit with BMS. Has any one enquired as to the price of this or any of their other size options. I am curious, but not likely to buy, so I would rather hope that the forum can provide the answer rather than wasting the companies time to answer me.

Also if I were to buy 6 40Ah units would I need an additional battery rather than cell level balancing system to keep my 6 12.8V units in synch.?

Yes I know many don't believe in BMS anyway, but I wouldn't want to spoil the ship for a ha'peth of tar.

Andrew.

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JRP3

· #2 · Jan 17, 2011

If you think the cells wired in series need a BMS then batteries wired in series would need the same.

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jeremyjs

· #3 · Jan 18, 2011

Why would these need a BMS? It looks like they have some sort of power control module built in for cell balance, cell level HVC LVC pack level HVC LVC, and over rate protection.

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JRP3

· #4 · Jan 18, 2011

Yeah, you're right, don't know what I was thinking

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Duxuk

Discussion Starter · #5 · Jan 18, 2011

Yes I was intrigued by them because they look like a floodie sized unit at a fraction of the weight with cell level management built in, but does anyone have any idea of the price?
As I said above it seems a little unfair to pose as a potential buyer when , sadly, I am not in a position to replace my floodies. They remind me of LifeBat which are VERY expensive.

Andrew.

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jeremyjs

· #6 · Jan 18, 2011

Looked around for pricing and didn't find anything, but I can almost guarantee it's expensive.

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