FAQ’s
We have attempted to try to create an FAQ that everyone can use. LifePo4 (LFP) is becoming the only choice for energy storage.
FAQs
LiFePo4 batteries offer longer lifespan, higher energy density, and enhanced safety features compared to traditional lead-acid batteries.
Yes, we provide shipping services across Australia for all our Lithium Iron Phosphate batteries and solar energy equipment.
Our batteries are ideal for residential energy storage solutions, offering reliable and efficient power backup for homes.
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FAQs
In order of importance follow these steps
- Keep the battery temperature under 45 Centigrade (under 30C if possible) – This is by far the most important!!
- Keep charge and discharge currents under 0.5C (0.2C preferred)
- Keep battery temperature above 0 Centigrade and below 30C when charging & discharging – This, and everything below, is nowhere near as important as the first two
- Do not cycle below 10% – 15% SOC unless you really need to
- Do not float the battery at 100% SOC if possible (it causes bloating in as little as 6-12months)
- Do not charge 100% SOC if you do not need it
- Clamp your battery cells together to prohibit bloating. Especially for batteries that see a lot of use.
NO! Don’t believe everything you hear.
LFP is not totally immune from risk of fire and explosion. The evidence I will present here is clear, we do know that LFP is very safe, especially from an explosion. But it can catch fire under the right circumstances, like a direct puncture, especially when fully charged.
It is however very unlikely, and about 1000 times less likely than with NCM and NCA LiPo chemistries, which is what you will constantly see on the news, and on forums. Those chemistries have a low thermal runaway temperature and can be extremely dangerous.
Check out these Sources for proof
- https://www.pv-magazine.com/2023/10/30/cause-of-30-kwh-battery-explosion-in-germany-remains-unclear/
- Youtuber HighTechLab real world puncture test – https://youtu.be/07BS6QY3wI8
- GWL – Testing of LiPo and LiFePo4 https://youtu.be/Qzt9RZ0FQyM
Exceeding the battery’s rated discharge can lead to an increased heat generation, too much heat in a cell will decrease capacity by a significant amount. Using the example on a 304ah EVE cell, we can expect 30-50w of heat would be generated internally at 0.5c-1C draw. This is significant and has a cumulative effect on the cell, every time you draw high currents from LFP cells, you will slightly degrade the cell, the more times you do this, the quicker the heat will cause expansion and gas release.
Key points to consider
- Heat Generation: Exceeding the rated discharge current can cause the cell to heat up excessively. This can lead to a reduction in performance and lifespan of the cell.
- Capacity Loss: meaning it won’t hold as much charge as it did before.
- Safety Risks: In extreme cases, overheating can pose safety risks, including the potential for thermal runaway, where the cell could catch fire or explode.
To avoid these issues, it’s important to adhere to the manufacturer’s specifications for maximum discharge rates and ensure that the battery management system (BMS) is appropriately rated to handle the current demands of your application. It’s also advisable to keep the battery temperature under control, preferably under 45°C, and to use the cells within their recommended State of Charge (SOC) range.
Here is a report funded by the National High Technology Research and Development Program (863 Program) of China (No. 2012AA110203) and the National Natural Science Foundation of China (No. 51634003).
Link
IN SUMMARY – Yes you will damage and degrade the battery life, by how much depends on all the things you would expect, the C rating, the timeframe, and the temperature, and some cells are designed for 0.5C and some for 5C so its all relative.
Off-Grid then Yes!, our Lithium Iron Phosphate batteries are designed to seamlessly integrate with existing solar energy systems for enhanced energy storage.
On-grid, then you must choose CEC certified and approved batteries from our selection. It is illegal to use non CEC certified batteries that are connected to the Grid.
LiFePo4 Australia is committed to sustainability, and our products are eco-friendly, offering a clean energy solution for the Australian market.
We expect that all our batteries will be recycled or reused!
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FAQs
LiFePo4 batteries offer longer lifespan, higher energy density, and enhanced safety features compared to traditional lead-acid batteries.
Yes, we provide shipping services across Australia for all our Lithium Iron Phosphate batteries and solar energy equipment.
Our batteries are ideal for residential energy storage solutions, offering reliable and efficient power backup for homes.
