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Nickel Iron (NiFe) Lithium Iron (LiFePO4)

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 Nickel Iron (Ni-Fe) Battery

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    Nickel Iron Battery

    NiFe Battery From Iron Edison

    Even though Nickel Iron batteries may not be well known, they are by far the most rugged and longest lasting battery option available today, and a great option for off grid solar & renewable energy applications!

    History: Nickel Iron Batteries Have a 100+ Year Track Record

    Thomas Edison patented and produced Nickel Iron batteries in the early 1900’s, designing them to be “far superior to batteries using lead plates and acid”. Nickel Iron batteries were used in the very first electric car in the early 1910’s. Even though they were not adopted as the starting battery for internal combustion engines during the birth of the automobile, they found their niche in numerous railroad, forklift, and standby power applications throughout the 20th century. Nickel Iron batteries are experiencing a rebirth in the 21st century for renewable energy applications due to their incredibly long life and robust, durable qualities. Iron Edison is proud to be the leading supplier of Nickel Iron batteries in North America!

    Best Investment in Energy Storage: 10% – 35% the Cost of Other Battery Options!

    Nickel Iron batteries have the Lowest Total Cost of Ownership of ANY battery chemistry available today!

    Amortized over the life of the battery, Nickel Iron batteries cost as low as 9 cents per usable kWh! That’s lower than most electric utility rates! The closest battery competitor is double that, with most lead acid batteries costing 25 to 80 cents per usable kWh. [Purchase Price ÷ (Usable Capacity × Cycle Life)]

    Longest Lasting: 30+ Years of Reliable Service

    30+ Year Life Expectancy is actually an understatement for Nickel Iron batteries. Because Nickel Iron batteries use Nickel plates and an alkaline electrolyte, they don’t experience the plate degradation and short life of a lead plate in acid. It is common to see 50+ year old Nickel Iron batteries still in service today, with some dating back to the 1940s!

    10 Year Warranty is standard on all Iron Edison Nickel Iron Batteries.

    Largest Usable Capacity: 80% Depth of Discharge

    Unlike most other battery chemistries, Nickel Iron batteries’ life expectancy is NOT impacted by the battery’s depth of discharge. This is why you can discharge a Nickel Iron battery up to 80% DAILY, and still get 30+ years of life from this battery!

    Most Rugged: Over Charge/Discharge Capability and Extreme Temperature Tolerances

    It's common knowledge that over discharging a lead acid battery just once will catastrophically shortened its life expectancy. This is the case with most battery chemistries actually, but not Nickel Iron batteries! Discharging a Nickel Iron battery 80% or more will not negatively impact its life expectancy, which is why they can be discharged like this on a daily basis and still provide decades of worry free service.

    Nickel Iron batteries can handle over charging as well, without impacting their life expectancy. Nickel Iron batteries perform best when they are aggressively charged (C/4 charge rate or better), which makes them optimal for solar applications because they can be fully charged in 4 hours!

    Most batteries don’t like extreme temperature conditions… except Nickel Iron batteries. With an operating temperature range of -22 to +140F (-30 to +60C), Nickel Iron provides worry free service in extreme cold and hot conditions. From the jungles of Central America to the Arctic Circle, Nickel Iron batteries are providing customers with reliable energy storage where other batteries struggle.

    Compatibility:

    Nickel Iron batteries are compatible with most quality battery inverters and solar chargers on the market today. Using industry standard 12 volt, 24 volt and 48 volt configurations, Nickel Iron batteries work well with products from MidNite Solar, Magnum Energy, Schneider Electric, Outback Power, and SMA just to name a few. If your solar charger or battery inverter support custom charge parameters, it will likely work well with a Nickel Iron battery. Chargers and battery inverters designed exclusively for lead acid batteries will work as well, but may struggle to fully charge a Nickel Iron battery. Please contact one of Iron Edison’s knowledgeable System Designers to confirm compatibility and sizing.

    Support:

    Iron Edison’s team of US based industry experts is at your disposal both before the sale and throughout the life of your battery to make sure you get the absolute best performance from your battery investment. We’re happy to answer questions and offer advice about operation and optimization of not just your battery bank, but your entire energy system.

    Architecture:

    A Nickel Iron battery is a single cell, 1.2 volt nominal battery (1.0 – 1.65 volt operating range). These cells are wired in series to produce the needed voltage. Iron Edison provides pre-packaged Nickel Iron battery solutions in 12 volt (10 cells), 24 volt (20 cells), and 48 volt (40 cells) configurations. (Custom high voltage solutions are also available for commercial and utility scale applications). Iron Edison’s Nickel Iron batteries are available in sizes from 100 Ah to 1,000 Ah, in 100Ah increments.

    Included with your Nickel Iron battery package are the appropriate number of batteries, busbars for inter-battery series connections and other safety accessories. Iron Edison strongly recommends a battery rack, battery enclosure and vent fan to complete the last battery bank  you’ll ever buy!

    Maintenance:

    Nickel Iron batteries are a flooded battery, which means there’s minimal maintenance they will need throughout their life.

    Watering your batteries every 1-3 months is the biggest maintenance requirement. Electrolysis takes place inside the battery during charging, resulting in the loss of pure water in the form of hydrogen and oxygen off gassing. This water must be replaced periodically by adding distilled water to the batteries. Iron Edison has several battery watering products to make this process faster and easier, including a watering cart and gun, a HydroPure Deionizer to make your own water, and the Spider Single Point Watering system that simultaneously fills up to 20 batteries.

    Equalizing… NOPE! Unlike lead acid batteries, Nickel Iron batteries do not need to be equalized on a regular basis (although you won’t hurt them if you do). One less thing to worry about if you’re upgrading from a lead acid battery bank.

    Checking Specific Gravity… DON’T BOTHER! The alkaline electrolyte of Nickel Iron batteries does not change based on the battery’s state of charge, so that’s one less maintenance task former lead acid owners need to do.

    Battery Enclosure is needed for Nickel Iron batteries. While charging Nickel Iron batteries will off gas hydrogen, a combustible gas that can be dangerous of not properly addressed. LIke other battery chemistries, a Nickel Iron battery bank should be installed in an enclosure that will properly capture and vent this hydrogen outside. Nickel Iron batteries also should not share an airspace with other electronics or possible ignition sources.

    Iron Edison recommends an electrolyte replacement every 10 years for optimal performance and energy capacity. Nickel Iron batteries will experience a slight degradation of electrical capacity over time due to carbonate buildup in the electrolyte (typically 1% loss per year). Replacing the electrolyte can recover this capacity loss.

    Additional product data

    Technical Specifications:

    Chemical System: Nickel Iron (NiFe)

    Battery Type: Rechargeable Deep Cycle, Flooded with Alkaline Electrolyte

    Electrolyte Chemistry: Potassium Hydroxide (KOH) And Lithium Hydroxide (LiOH)

    Electrolyte Refresh Rate: Suggested every 7-10 years to sustain maximum performance

    Terminal Poles, Cell-To-Cell Busbars: Nickel-Plated Steel, Tinned Copper

    Cell Container: Translucent, Corrosion-Free Polypropylene or ABS Engineering Plastic

    Vents: Flame-Arresting Flip-Top Vents

    Nominal Voltage: 1.2 Volts (per cell)

    Charging Voltage: 1.65 Volts (per cell)

    Efficiency: 80%

    Cycle Life: 11,000 Cycles At 80% Depth of Discharge

    Float Life / Shelf Life: 30 Years / 85 Years

    Optimum Charge & Discharge Current: C/4

    Minimum Charging Current: C/20

    Maximum Continuous Charging Current: C/2

    Maximum Pulsed Charging Current: 1C

    Maximum Discharge Current: C/2

    Self-Discharge Rate: 1% per day

    Operating Temperature: -30⁰ C To +60⁰ C (-22⁰ F To +140⁰ F)

    Warranty: 10 years pro-rated

    Technical Support: Unlimited for life of battery

    INCLUDED ACCESSORIES

    • Metal Busbars and Plastic Busbar Covers

    • Flip Top Vent Plugs

    • Terminal Wrench

    • Vent Wrench

    • Hydrometer

    • Thermometer

    • Rubber Gloves, Apron, & Safety Glasses

    RECOMMENDED ACCESSORIES

    • Alpha Passoni Battery Rack

    • Philadelphia Scientific Watering System

    • Zephyr Vent Fan

    starting from $1,093.00

    DESIGN

    Free solar + battery system design

    DELIVER

    Installer network across the USA

    SETUP

    Free installation support

    SUPPORT

    Lifetime technical support

    Iron Edison is owned and operated by Brandon and Maggie Williams. They have three children, and live and work in Colorado.

    Brandon and Maggie believe in energy independence and for the past 10 years they have helped thousands of people achieve their goal of powering their homes with batteries and solar. We love working everyday with our customers and we hope you decide to choose Iron Edison for your battery and solar needs.

    the Williams family

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