That's right. The first three years, I'm running on the cheapest Lead Acid batteries I could buy. 12 x 115 AH for €130. I replaced 4 over the time, because they degraded very quick. Now I bought 16 LiFePo4 3.2 Volt, 320 Ah, for €1100. The difference in the usage of capacity is significant.
Very good video. Something else you might consider showing, mathematically, is the total number of watt-hours each battery can be expected to put out during its normal lifespan. As your calculations showed, it is 8x higher for LFP batteries.
It's a fallacy that lead acid storage only allows one to use 50%. They are spec'd to go down to 'flat' however the life cycle count at that point is dismal - 200 for most, 400 for a really good quality one (which is hard to find these days).
Lifepo4 is good for inverters only. AGM is better as starting plus inverter. Been thinking about replacing my single starting battery with 2 AGM batteries. I have a second battery tray
There are lifepo4 batteries out there correctly designed and spec'd to act as starting batteries. AGM starter batteries, and that includes 'deep cycle' batteries, are usually a poor choice for energy storage use. Likewise AGM storage batteries usually make poor starter batteries.
And gravity have +200% efficiency if you tweak and tune a bit, and can become perpetual or overunity if you will. If you are in into wind, windmill style is much more efficient than those normal wind energy harvesters because it's mostly mechanical and can be used as mechanical or to harvest energy. 😂 You don't need 12 volt battery to harvest energy, unless you want to use it external.
I am doing AC coupling now. When it comes to voltage spikes, which one is better, Lead Acid or Lithium? Will the sudden shutdown of the BMS cause more problems?
@@cleversolarpower Not sure why this is happening. I have configured the Zero feed-in and frequency shift and ramp control as required, and the parameter settings seem to be correct, but I still get a high voltage alarm when the water heater suddenly stops. I guess it is because the PV inverter needs a certain response time to reduce the output, but this response time is still too long. In this case, if it is an AGM battery, even if the battery is full, it can still absorb a certain amount of power. If it is a fully charged lithium battery, will there be any problems? I heard that when the lithium battery is fully charged, the BMS will not accept current.
@@cleversolarpower I currently have AGM batteries and I am considering whether to switch to lithium batteries. However, good brands of lithium batteries cost 4 times as much as AGM. According to your calculation, it is still cost-effective.
@@pppidsn647 Yes, it will stop charging when the battery is full. However, seems like you need to fix the voltage spike first before getting lifepo4. Define good brands of lithium batteries. The one i showed is quite good and have good BMS'es.
i have a brand new 280AH lifepo4 battery and a brand new 3000 watt inverter by renogy . new victron mppt 100/30 smart charge controller. my battery doesn't last for 3 hours without the inverter beeping loudly at me. what is going on.
@@cleversolarpower I agree with you, but this is only for good brands. A brand called greenbank, 12V/200AH , the BMS has no user interface, and the capacity result from victron shunt test is 50% when the bms shutdown. May be due to bad cells. and also many renogy battery fail within 1~2years on productreviews website. Therefore, I suggest choose a good brand, otherwise use AGM🙂
I dont know where you can get that lithium battery for that price! Here in UK that battery would much more than $190 ( uk equivalent about £170) probably nearer to 50-70% more.
In Ireland much the same, Lithium Batterys are more than double AGM Cheapest 48V 100Ah Lithium 1838.85 Euro ( 1.04$ = 1 Euro) Cheapest 48V 200Ah AGM 1600.00 Euro
Every year I see campers burnt out on camp sites with lithium..never seen a camper burnt out with lead acid...lithium installs are safer & for normal use far cheaper I have 2 lead acid now 3 years on still strong & thousands of miles in travels & use...like all this nonsense with lithium they never perform as the should unless your in a climate that has consistency in temp...it's funny watching the lithium warriors & their cars struggling here in Scotland when it's cold they get half or less than manufacture miles that are already exaggerated because the batteries simply aren't as good as claimed a well looked after lead acid will last for years & easily brought back to life if looked after
Catching on fire! Would not trust a lithium in vehicle i am living and sleeping in,and in the cold weather we experience here in the UK,lithium batteries do not live up to anywhere near manufacturers claims.
Because lifepo is extremely unsafe...and all.them wanna save penny's... ridiculous..get LTO cells and they are safest in the world with loads loads loads of power... You pay what you get .. And people don't so research..lifepo I would never get in car ever... stupid
@@ktd2956wrong wiev sir... LTO is the safest ever..lifepo is dam fire hazard..and if you poor water it burn more 😂 Peo🎉are stupid with saving few dollars..they go for lifepo...never do that.. Run LTO cells Check online testing I use this for long time they amazing And takes 25000 cicles ..
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That's right. The first three years, I'm running on the cheapest Lead Acid batteries I could buy. 12 x 115 AH for €130. I replaced 4 over the time, because they degraded very quick. Now I bought 16 LiFePo4 3.2 Volt, 320 Ah, for €1100. The difference in the usage of capacity is significant.
Nice calculation! 🥰
Thanks for considering us as reference.
Very good video. Something else you might consider showing, mathematically, is the total number of watt-hours each battery can be expected to put out during its normal lifespan. As your calculations showed, it is 8x higher for LFP batteries.
It's a fallacy that lead acid storage only allows one to use 50%. They are spec'd to go down to 'flat' however the life cycle count at that point is dismal - 200 for most, 400 for a really good quality one (which is hard to find these days).
Lifepo4 is good for inverters only. AGM is better as starting plus inverter. Been thinking about replacing my single starting battery with 2 AGM batteries. I have a second battery tray
There are lifepo4 batteries out there correctly designed and spec'd to act as starting batteries. AGM starter batteries, and that includes 'deep cycle' batteries, are usually a poor choice for energy storage use. Likewise AGM storage batteries usually make poor starter batteries.
Have you any experience using solar panels with microinverters? Can they be used for offgrid solar systems?
And gravity have +200% efficiency if you tweak and tune a bit, and can become perpetual or overunity if you will.
If you are in into wind, windmill style is much more efficient than those normal wind energy harvesters because it's mostly mechanical and can be used as mechanical or to harvest energy. 😂 You don't need 12 volt battery to harvest energy, unless you want to use it external.
I am doing AC coupling now. When it comes to voltage spikes, which one is better, Lead Acid or Lithium? Will the sudden shutdown of the BMS cause more problems?
A better question to ask is why do you have voltage spikes?
@@cleversolarpower Not sure why this is happening. I have configured the Zero feed-in and frequency shift and ramp control as required, and the parameter settings seem to be correct, but I still get a high voltage alarm when the water heater suddenly stops. I guess it is because the PV inverter needs a certain response time to reduce the output, but this response time is still too long. In this case, if it is an AGM battery, even if the battery is full, it can still absorb a certain amount of power. If it is a fully charged lithium battery, will there be any problems? I heard that when the lithium battery is fully charged, the BMS will not accept current.
@@cleversolarpower I currently have AGM batteries and I am considering whether to switch to lithium batteries. However, good brands of lithium batteries cost 4 times as much as AGM. According to your calculation, it is still cost-effective.
@@pppidsn647 Yes, it will stop charging when the battery is full. However, seems like you need to fix the voltage spike first before getting lifepo4. Define good brands of lithium batteries. The one i showed is quite good and have good BMS'es.
i have a brand new 280AH lifepo4 battery and a brand new 3000 watt inverter by renogy . new victron mppt 100/30 smart charge controller. my battery doesn't last for 3 hours without the inverter beeping loudly at me. what is going on.
not every bms can last 10 years. I saw many cheap Lithium bms failed around 2~3 year. capacity reduced to 50% after 2years.
It's my expected average lifespan for a decent BMS. 50% with prismatic lifepo4 cells after 2 years is impossible. Bad cells or bad measurement.
@@cleversolarpower I agree with you, but this is only for good brands. A brand called greenbank, 12V/200AH , the BMS has no user interface, and the capacity result from victron shunt test is 50% when the bms shutdown. May be due to bad cells. and also many renogy battery fail within 1~2years on productreviews website. Therefore, I suggest choose a good brand, otherwise use AGM🙂
🎉
😂... i kada ti auto ili kuća izgore zbog litijskih baterija zaključiš da su ipak preskupe...😂
now compare lithium to electric forklift battery...
I expect you mean secondhand forklift batteries? Forget it, they are getting rid of them for a reason.
And....and, the WEIGHT too!!! 🙂
I dont know where you can get that lithium battery for that price! Here in UK that battery would much more than $190 ( uk equivalent about £170) probably nearer to 50-70% more.
The same battery on amazon.co.uk is £212.
In Ireland much the same, Lithium Batterys are more than double AGM
Cheapest 48V 100Ah Lithium 1838.85 Euro ( 1.04$ = 1 Euro)
Cheapest 48V 200Ah AGM 1600.00 Euro
Pricing is not the same in NZ.
249-479 for agm 100amp hour
800-1000 for liFeO.
I NEVER FINNISH HIGH SCHOOL AND I KNOW THIS COMMON SINCE SHIT LOL IF YOU DONT KNOW THIS BY NOW THEN YOU DESERVE TO LOOSE MONEY
the math is misleading
Howcome? Please explain.
Its not best comparison sir:) you misleading people
Every year I see campers burnt out on camp sites with lithium..never seen a camper burnt out with lead acid...lithium installs are safer & for normal use far cheaper I have 2 lead acid now 3 years on still strong & thousands of miles in travels & use...like all this nonsense with lithium they never perform as the should unless your in a climate that has consistency in temp...it's funny watching the lithium warriors & their cars struggling here in Scotland when it's cold they get half or less than manufacture miles that are already exaggerated because the batteries simply aren't as good as claimed a well looked after lead acid will last for years & easily brought back to life if looked after
What do you mean burnt out
Catching on fire! Would not trust a lithium in vehicle i am living and sleeping in,and in the cold weather we experience here in the UK,lithium batteries do not live up to anywhere near manufacturers claims.
@@ktd2956 lithium what? Iron phosphate? Carbon? Silicon what lithium type ??
Because lifepo is extremely unsafe...and all.them wanna save penny's... ridiculous..get LTO cells and they are safest in the world with loads loads loads of power... You pay what you get ..
And people don't so research..lifepo I would never get in car ever... stupid
@@ktd2956wrong wiev sir... LTO is the safest ever..lifepo is dam fire hazard..and if you poor water it burn more 😂
Peo🎉are stupid with saving few dollars..they go for lifepo...never do that..
Run LTO cells
Check online testing
I use this for long time they amazing
And takes 25000 cicles ..
First comment❤.
Lead acid batteries don't catch fire🤔