The Nickel-Iron Battery
A Lifetime Battery For Your Off-Grid System or On-Grid Backup
No battery has outlasted the Nickel-Iron battery in daily use for home power systems!
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This environmentally-friendly battery has been in use for over 100 years.
We have documentation of original Edison cells still in use and still producing 100% of their battery capacity after 60 years in service -- this is unparalleled in the annals of battery history!
The benefits of using Nickel-Iron batteries for home energy storage:
• Longest battery life of any battery known today.
• Clean and simple green technology.
• Time-tested (invented by Thomas Edison in the early 1900's).
• Battery efficiency stays about 80% throughout its lifetime.
• Does not sulfate.
• Does not freeze in any state of charge - ideal for a cabin.
• Easily rejuvenated by a simple electrolyte change.
• No need for frequent equalization charges.
• Financing available.
Prices and Sizes:
Click here for sizes, prices and more, 
Ordering Your Batteries:
Click here for ordering instructions.
Click here for a shipping fee quote.
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Ordering Deadlines:
Our batteries are shipped from China.
Deadlines are:
| January 31 |
March 31 |
| May 31 |
Aug 6 |
| September 30 |
November 30
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Click Here for Frequently Asked Questions About The Nickel-Iron Battery
This is a MUST read if you have never heard of these batteries!
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A 24-Volt bank of 610 Amp-hour cells installed in Idaho, September 2009
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Hi BeUtilityFree,
I've successfully filled my ten 305Ah batteries with electrolyte. I charged them to their equalizing voltage, then discharged them using a 2kw pure sinewave inverter running big loads. So far they've performed really well. I'll be testing them more over the next month with a solar/wind system.
email from Rich
June 9, 2008
John,
Well It looks like my NiFe batteries were worth the waiting for. I finally got the first 10 cells filled, and charged, and I load tested them today. The 10 TN-600 cells easily powered my workshop for several hours tonight. The machinery draws about 100 amps, with the occasional surge up to 400 amps. (starting motors). They easily outpowered my failing lead acid batteries, and nicely compliment my old "original" Nickel Iron cells. (51 years old!). Now hopefully, they will last longer than me!
email from Trevor
June 24, 2008
"They never need equalizing. I have never experienced any problem with overcharging... Not only would I use nickel-iron batteries again, but I would probably not want to set up a new system without them. The idea of using lead-acid batteries after the ease of nickel-irons is horrifying."
John Berton, Home Power Magazine Issue #80 December 2000/Jan 2001
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"Lorenzen has been scavenging used forklift batteries for almost 50 years, and his collection of the Edison cells — which work on an alkaline principle with an iron anode, a nickel oxide cathode, and a potassium hydroxide electrolyte — now totals over 140 units of sixty-plus amperes apiece. Some of the batteries are over 80 years old . . . yet it takes nothing more than regular addition of water and a supplement of potash every 15 years to keep them in good shape."
Mother Earth News Issue #62 - March/April 1980 (our emphasis in red)
The above picture was taken from John's visit to his house in late 1972.
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