Invented over 100 years ago by Thomas Edison as a non-polluting and non-consumable alternative to Lead Acid Batteries using no heavy metals! Now manufactured once again worldwide after lead acid battery companies closed Edison's Plant in 1972.
We have sourced NiFe at a competative rate at a little over double our cheap lead acid range and similar to our Rolls battery costs, cheaper than our salt water batteries, and cheaper than Lithium batteries. This makes them a very viable option for long term off grid solutions.
They have a design life of 30-40 years and there is known NiFe batteries that are still going after 80 years!! If your looking for a long term battery solution, this is it!! They are the most environmentally sound battery available.
You need 10 cells to make up a 12V bank, 20 cells for a 24V bank and 40 cells for a 48V bank.
They have low operation cost, low self-discharge, long cycling life and environmental-friendly. They can withstand deep discharge, wide temperature variations, mechanical & electrical abuses and still show excellent and reliable performance over a long period. The operation life of solar Ni-Fe batteries is 30-40 Years, the working temperature range can be -40°C to 60°C, which is also the longest life battery for the PV system.
See our battery comparison chart to compare how the life and use of these batteries compare to other technologies.
Please note these batteries are made to order, please allow 2 months delivery time.
· The battery is not harmed in any way if it is overcharged.
· You can squeeze all the amps possible out of the Battery
o and it will still have a long life, unlike other types of batteries.
· Additional Amp Hours - Double the usable power
o The amp hour rating on NiFe batteries is a C5 rate, so you get around 30% more capacity on the C20 rate that is quoted on most Lead Acid. Many Lead Acid quote the C100 rate which would mean the NiFe gives you around 70% additional capacity. Plus the additional voltage range you can use from these batteries gives you much more usable power than Lead Acid. We would estimate that you would get around the same usable power storage in a 400ah NiFe bank as in an 800ah C100 Lead Acid bank, thats double the usable power! Which means you can have a bank half the size making NiFe a more affordable option that will last and last.
· No Memory Effect
o As there is no memory effect the battery is best used for everyday cycles where it can be discharged completely and recharged every single day.
· No Acid and simple green technology
o Absolutely no dangers battery acid and proven green technology No other battery on the market has the lifespan of a NiFe battery.
· Low maintenance
o When the battery is hard charged, it may be necessary to add some distilled water.
· NiFe Battery does not freeze
o Batteries do not freeze so it would be perfect for unattended cottages boats, or RVs over the cold winter months.
· You can add more batteries in the future
o More batteries can easily be added at any time so if you wish to add to your existing system it is no problem at all. For instance if you have a 500 ampere-hour system you can easily add an 800 Ah system.
· High Depth of Discharge
o NiFe batteries have a high depth of discharge without causing damage or reducing life of the battery, which will give you 50% more usable ampere-hours per cell than lead acid batteries.
· Replace a Cell at any time
o If you have a defective cell at any time even years later
· Add different battery capacities in parallel
o you have an existing 400aH, just add 700aH in parallel
o The Electrolyte is a mixture of KOH and LiOH
· Much lighter than Lead Acid
o Nickel is much lighter than lead and so these batteries are significantly lighter.
Solar Charger Settings
For solar charge controller settings for these batteries we recommend the following:
|1.2V cell||12V||24V||48V||With Less Cells||12V
If leaving unatended for long periods of time and worried about water loss you can reduce the Float to 1.44v per cell. If wanting to get more power stored and you can keep the electrolite topped up then you can increase the Float upto 1.5v per cell and can also increase the Boost time to 4-8hrs and can also increase the boost voltage to 1.6v.
If at any point you find they are not holding enough charge then you will want to increase the Equalise to 1.75V per cell and equalise for 24 hours.
You can also do a 24V bank with 18 cells and 48V bank with 36 cells if your using equipment that will not charge to the higher voltages.
If using NiFe with a Sunny Island, you would use 38 cells so the equalisation would be 62.7V as the max for the sunny island is 63V.
According to Edison's original manual from 1914, it is best to completely discharge the batteries from time to time before applying the equalisation charge. Edison also recommends a 1.7 volt equalisation charge and he recommends changing the electrolyte every 5-10 years.