Hi Ian, That's incredible it would cost me round $450 for one over here. (N.Z.) You could probably buy direct from the manufacturer with an order of 125. Regards Alan----- Original Message ----- From: "irox" <irox@ix.netcom.com>
To: <personal_submersibles@psubs.org> Sent: Saturday, October 02, 2010 5:23 AM Subject: Re: [PSUBS-MAILIST] Batteries Bank
Yes, $75 each, but this may not include the core fee (or shipping). I've been monitoring the prices for batteries for the last 3years and there seems to be a recent price drop. I am aiming to by 125 or so of them with $10K set a side for battery budget, giving me over 150KWh of usable energy. Cheers! Ian. -----Original Message-----From: Alan James <alanjames@xtra.co.nz> Sent: Oct 1, 2010 9:08 AM To: personal_submersibles@psubs.org Subject: Re: [PSUBS-MAILIST] Batteries Bank Hi Ian, Thats $75- each; surely they made a mistake. Is everything really that cheap in America.? Alan----- Original Message ----- From: "irox" <irox@ix.netcom.com>To: <personal_submersibles@psubs.org> Sent: Saturday, October 02, 2010 4:12 AM Subject: Re: [PSUBS-MAILIST] Batteries BankHi Alan, you get 6 batteries for the $450. So for 8 hours of operation it would be $168,000, or $252,000 for 12 hours. Cheers!Ian.-----Original Message-----From: Alan James <alanjames@xtra.co.nz> Sent: Oct 1, 2010 2:04 AM To: personal_submersibles@psubs.org Subject: Re: [PSUBS-MAILIST] Batteries Bank Hi Ian, Don't you mean 280 x 12 (hours) x $450- = $ 1,512,000 Alan----- Original Message ----- From: "irox" <irox@ix.netcom.com>To: <personal_submersibles@psubs.org>; <personal_submersibles@psubs.org> Sent: Friday, October 01, 2010 8:32 PM Subject: Re: [PSUBS-MAILIST] Batteries BankThat would be roughly 280 of these per hour of operation: http://store.wellingtongolfcars.com/ProductInfo.aspx?id=6282480 Costing $21,000 and weighing 10400+kgs (for one hour of operation at 250KW). This is just a rough estimate (not count discharge rate performance and system inefficiencies). Ian. -----Original Message-----From: Alan JamesSent: Sep 30, 2010 11:22 PM To: personal_submersibles@psubs.org Subject: Re: [PSUBS-MAILIST] Batteries Bank Hi Jon,That depends on how much money you want to spend! Roughly you could have a 1/3rd the weight of a lead acid battery if you went to Lithium, but the cost is many times more. If you find what type of battery you want & go on the manufacturers site or a dealers site they will have an amp hour rating wich is based on 20 hours use. There should be specifications to help you calculate how many amp hours you'd get drawing over an 8 hour period. Another factor coming in to the equation is " how hard do you want to thrash your batteries?" If you drain them below half their capacity you reduce their overall life expectancy. So say you had a 12 volt 100 amp hour battery & you wanted to run it to 50% over 8 hours, you might get 40 amp hours & multiplying that by 12 (volts) you get 480 watts. That means 520 x 12 volt 100 amp hour batteries. That's about $250,000 worth of batteries however you should be able to get a good discount. They weigh more than 30kg each so that's over 15 ton of batteries.Regards Alan----- Original Message ----- From: Firebolt To: Psusbs Sent: Friday, October 01, 2010 6:33 PM Subject: [PSUBS-MAILIST] Batteries Bank Hello, this is a short question, 250 kw electric motor running for 8 hours what type/many batteries do I need? ex. ampere Hour, voltage************************************************************************ ************************************************************************ ************************************************************************ The personal submersibles mailing list complies with the US Federal CAN-SPAM Act of 2003. Your email address appears in our database because either you, or someone you know, requested you receive messages from our organization. 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