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E-tron
16 May 2013, 0311
Anybody seen before these batteries?

http://www.ebay.de/itm/Batterie-9V-130Ah-Weidezaun-Weidezaunbatterie-34420-/360326050998?pt=Hof_Viehtechnik&hash=item53e51b34b6

They are not rechargeable but the store a lot energy!

Anybody knows the max discharge of amps??Any datasheet??:confused:

protomech
16 May 2013, 0829
I don't see where it lists the battery weight.

Best I can find:
http://translate.google.com/translate?hl=en&sl=de&tl=en&u=http%3A%2F%2Fwww.weidezaun.info%2Fweidezaun-batterien-weidezaun-akkus%2F9V--130Ah-Weidezaunbatterie--gross.html

E-tron
16 May 2013, 0916
Today in the morning i had a similar battery in my hands.The weight is about 2Kg.These batteries are non rechargeable as i said and they are used for electric fences.A transformer takes the 9volts and puts out 10.000volts.I assume that the amperage draw from the battery is in the scale of milli.

The question is, what could be the max discharge of this kind of battery.....

liveforphysics
16 May 2013, 1748
Today in the morning i had a similar battery in my hands.The weight is about 2Kg.These batteries are non rechargeable as i said and they are used for electric fences.A transformer takes the 9volts and puts out 10.000volts.I assume that the amperage draw from the battery is in the scale of milli.

The question is, what could be the max discharge of this kind of battery.....

It's a metal-air primary cell. I found some datasheets for these that showed even going from 35mA to 50mA drain caused it to loose half it's capacity. You won't get more power out than the rate it diffuses atmospheric O2 through it's tiny vapor barrier membrane, which means nothing you do to it will ever even give you an amp output for more than a second or two as it locally uses all O2 near the oxidizing plate surface, at which point it can't output anything until it slowly recovers.

protomech
17 May 2013, 0637
1/4000 C discharge? Seems a little low.