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Nickel Iron (NiFe) Batteries

In 1901 Thomas Edison developed this battery technology, it has long been considered one of the perfect battery technologies, and time has proven them against all comers.  You can still purchase some of these Vintage 100yrs old battery, and they still work, this has a lot to do with the fact that the energy is actually stored in the Electrolyte.

Edison once said, “A good idea is never lost, even though its inventor or possessor may die without publicising it, it will someday be reborn in the mind of another.” Heritage images (1)(2)(3)(4)(5)(6)(7)(8).

The latest designs of these days are rated to cycle over 10'000 times, that's 30+ year daily cycles life span, where the electrolyte may need to be replaced after 10years, covered below in more detail.  We sell these battery's for approx. $500kW, that half the cost of a TESLA battery, and NiFe batteries will outlast TESLA battery technology, over three fold minimum!

So, we highly recommend NiFe as the Go-to battery over any other battery!

  1. Most importantly, NiFe batteries have a Long Operational Life & Proven Reliability.
  2. They also provide the best Cost per kWh, being $550kW. (against the rest)
  3. NiFe batteries are in fully operational condition after 30~50+ years of service and still going strong, and most likely will for another 50 years.

Users report there NiFe battery's & Electrolyte have cycled over 10'000 times;

  1. That equates to approx. that between 7~10+ year periods, you may have to replace the cheap Electrolyte (approx. 5% cost) to restore the battery back to new condition for the next 10 years>.
  2. Obviously that is under normal operation conditions, liquid level need to be kept above the internal plates, checked every 6 months to a year or so, depending on usage.

Nickel Iron (NiFe) battery Electrolyte:

  • Potassium hydroxide (1.2g/cm3) is an inorganic compound with the formula KOH, and is commonly called caustic potash.
  • Lithium hydroxide (20g/L) is an inorganic compound with the formula LiOH. It is a white hygroscopic crystalline material. It is soluble in water and slightly soluble in ethanol, and is available commercially in anhydrous form and as the monohydrate (LiOH.H2O), both of which are strong bases. It is the weakest base among the alkali metal hydroxides.

These batteries now manufactured with stronger and newer improved VARTA® technology.  A NiFe battery bank is made up from individual cells, each cell has a voltage of 1.2 volts, No matter the size of the cell or battery bank, all NiFe cells are 1.2volts each.  To make a battery Bank to a specific Voltage, you simply add cells together until you get the require voltage, up to a recommended maximum 750 volts.


  •   6 Volts =  5 x 1.2volt cells.
  • 12 Volts = 10 x 1.2volt cells.
  • 24 Volts = 20 x 1.2volt cells.
  • 36 Volts = 30 x 1.2volt cells.
  • 48 Volts = 40 x 1.2volt cells etc.

The advantage of making a battery up from individual cells is that if one cell fails, you simply replace that cell. You can add to your battery bank at any time if you need to store more power.  Because NiFe batteries have such a long life, we inform our clients that if they are relocating, it is relatively simple to dismantle the battery system and take them to your next location, be it a place that is owned, leased or rented.  In fact that also applies to the pole mounted duel-axis solar tracking, besides transportability, duel-axis tracking also harvest up to 45% more power than a fixed flat panel systems.

The key to Nickel Iron (NiFe) Batteries long life lies in quality manufacturing, the VARTA cell technology was designed for use moving & vibrating situations like vehicles, trains & mining equipment et., providing a very long working life.

NiFe batteries will continue to work like new a long past the 10 year manufacturer guarantee period, and have long been considered the best green energy battery for decades, they are 100% recyclable, with no dangerous materials including the electrolyte, NiFe batteries are a Non Acid battery.

As Nife battery prices have dropped, they are now widely used as DC back-up power supply for photo voltaic storage and used in homes, businesses, vehicles, remote telecommunications, railway, mine tractors, petrochemical, oil and gas, electricity industries, and other renewable power applications.

Nowadays, more and more countries have attached great importance on environmental protection and advocate using green energy. Because of NiFe batteries high reliability, long service life, lower maintenance cost, pollution-free and other positive characteristics, NiFe batteries are rapidly replacing lead-acid batteries in wide ranges of applications, especially in off-grid systems using Solar, Wind, Aqua as well as power produced by Diesel Generators, NiFe are also be used in load shifting applications, e.g. charging the batteries using cheaper off-peak power, usually at night.

Our NiFe batteries are made from Methacrylate butadiene styrene (MBS) is also known as impact modified Styrene Methyl Methacrylate (SMMA). This polymer has excellent clarity, high stiffness, high impact performance and easy process ability.

Advantage of NiFe Batteries:

  1. Cheapest Battery Investment Cost per kW, approx. per $520kW.
  2. Wide capacity range: 10Ah~1200Ah.
  3. SGS, GOST, IEC60623, ISO, CE, UL certificate.
  4. Long life: 15~40+ years.
  5. -20°C~50°C Operating Temperatures.
  6. VARTA tech, provide quality assurance.


  • MBS (Methacrylate Butadiene Styrenel) is an Opaque Casing modifying agents used to improve the impact strength.
  • PP (Polypropylene) is a Transparent battery Casing, material is Hard, but Fragile in low temperatures.
  • Excellent charging efficiency and smooth discharge voltage.
  • High reliability without sudden death.
  • Ability to withstand ultra-high and ultra-low environmental temperatures.
  • Withstand physical and mechanical abuses.
  • Exceptionally long & reliable service life (up to and over 50yrs).
  • Pollution-free, total green energy and recyclable.
  • Low Self-discharging.
  • No emission of corrosive gases, Safe from flame & explosion.
  • Pollution-free and excellent mechanical strength.
  • Convenient for installation and low maintenance.
  • Comply with SGS and GOST standard.
  • Availability to design and manufacture other model according to user's requirements.








Max. weight













CYNF100 80 141 370 4.5 6.2 PP/MBS M10X1
CYNF115 80 141 370 4.9 6.3 PP/MBS M10X1
CYNF120 80 141 370 5 6.5 PP/MBS M10X1
CYNF125 53 190 402 6.5   PP M10X1
CYNF130 80 141 370 5.3 6.5 PP/MBS M10X1
CYNF135 92 141 365 6 7.8 PP M16X1.5
CYNF140 92 141 365 6 8 PP M16X1.5
CYNF150 106 164 345 7 9 PP/MBS M20
CYNF165 106 164 345 7.2 9.5 PP/MBS M20
CYNF180 106 164 345 7.5 10 PP/MBS M20
CYNF200 106 164 345 8 11 PP/MBS M20
CYNF230 164 167 345 9.5 13 PP/MBS M20
CYNF250 100 170 450 11 13.5 PP M20
CYNF250 138 276 420 13 18.5 PP/MBS 2xM16
CYNF300 138 276 450 14.5 20.5 PP/MBS 2xM16
CYNF320 138 276 490 16 26.5 PP 2xM16
CYNF340 162 200 450 15.5 22 PP 2xM16
CYNF350 138 276 450 16 21 PP/MBS 2xM16
CYNF365 138 276 450 16.5 22 PP/MBS 2xM16
CYNF400 138 276 450 17 23 PP/MBS 2xM16
CYNF420 138 276 450 18.5 24 PP/MBS 2xM16
CYNF450 138 276 450 19.5 24.5 PP/MBS 2xM16
CYNF500 138 276 490 20 27 PP 2xM16
CYNF600 176 291 510 27 37.5 MBS 2xM20
CYNF700 176 291 510 29 39 MBS 2xM20
CYNF800 186 398 570 39 59 MBS 3xM20
CYNF900 186 398 570 41 60 MBS 3xM20
CYNF1000 186 398 570 44 61 MBS 3xM20
CYNF1100 186 398 570 46 63 MBS 3xM20
CYNF1200 186 398 570 49 66 MBS 3xM20


20x 1200Ah (24v) Battery Bank & Racking

NF600Ah Battery

Crate of 6 NiFe Batteries

Crate of 10 600Ah Batteries

20 NiFe = 12/24V Bank(s)

Six rows 40 NiFe Batteries,

can be 12/24/48/60V etc. Banks

VARTA® technology offers Enhanced Flooded Batteries (EFB) that deliver superior reliability and performance compared to standard lead-acid batteries for automotive and commercial vehicle applications.

EFB technology for commercial vehicles

The unique VARTA® Pro-motive EFB is a specifically designed battery for high-performance commercial use and is the state of the art in stratification and is vibration resistance. EFB technology ensures reliable performance for all highly demanding applications and is also ideal for Grid installation.

Benefits include:

  • A unique mixing element inside reduces acidity stratification and is an optimum solution for all deep discharge applications. It’s a mechanical system that uses vehicle inertial forces to aid the mixing of acid in flooded batteries.
  • Superior internal fixations with best-in-class hot melt: Very high vibration resistance and perfect fit for end-of-frame installation ensure highest product performance.
  • The unique Labyrinth Lid design provides 100% spill protection and very low water consumption.
  • High cycling ability is guaranteed by using Power Frame® technology, improved positive paste and grid-to-mass adhesion. A poly fleece scrim material, added to the positive plate surface, sustainability improves cycle life performance.
  • Minimizes warranty cost.
  • Click Here to read what Customers have reported about NiFe Batteries !


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