Charging question - don't overcharge?

I seek solid first hand evidence proving that I'm not wasting my time charging to 80% for the life of my battery.
It's been here since 2018.

 
Even better:

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And a further question. If the above is not solid evidence what exactly would constitute solid evidence?
 
Even better:

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And a further question. If the above is not solid evidence what exactly would constitute solid evidence?
Mr. Coffee: I do not think anyone negates the 20-80% rule. Only my 72 km ride of today required 86% of the battery charge to complete my trip. Should I really go on any ride with two or three heavy batteries?
 
Mr. Coffee: I do not think anyone negates the 20-80% rule. Only my 72 km ride of today required 86% of the battery charge to complete my trip. Should I really go on any ride with two or three heavy batteries?

No is suggesting you never charge your battery to 100%.
You and I both want to use our batteries to the fullest extent and avoid carrying extra batteries.
Whenever possible, such as daily commutes which do not require the entire capacity of the bike, it is beneficial to use the 80-20% rule to multiply the charge cycles of your very expensive premium batteries. If your daily commute or whatever adventures require more charge, obviously do it! I do it too. It just depends on what is your usage.
It's about protecting your investment and extending the usability of you batteries, avoiding waste of money and increasingly rare resources ( lithium , rare earth metals etc). All this doesn't cost me anything (time or money).Taking this advice into account easy. If you still feel that these simple steps are an unbearable burden, strip you of your freedom, stunt the enjoyment you get from your bikes. Fine. No ones forcing you to at least try to benefit from this advice. go ahead burry your head in the sand do whatever you like but I find it sad/ disappointing that you and others put so much energy in negating , propagandising falsehoods and BS excuses in the face of common sens and overwhelming scientific evidence. The OP was asking about options for taking care of his battery what you an @AHicks are doing isn't helpful it's self aggrandisement .
 
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And a further question. If the above is not solid evidence what exactly would constitute solid evidence?
Owner comments regarding early battery failure on a scale MUCH higher than we see here now.

Further- Lets take the info shown on the graph for 100% charge showing I should get 400 cycles and put that into a practical perspective. My 100% charges are generally good for an easy 30 miles. More if I'm really careful. Do the math. 400 cycles, time 30 miles is 12,000 miles. I'm actually perfectly OK with that. Actually, I'm not going to get mad if it only goes 6k.

1500 cycles (predicted if you charge to 80%) times 30 miles is 45,000 miles. Doesn't that sound like quite a stretch? How many people here really believe they're going to get 45,000 miles on a battery? Know anyone that's done that? I get there are a few "high milers" here, but the expectation of 45k seems a just bit unrealistic and a goal not worth the trouble....

That's me though. Others can say/do as they like....
 
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Ugh! You're smarter than this... Is this some kind of one upmanship contest?
Any moderately literate reader understands nuance.
You obviously need someone to clarify again.
No is suggesting you never charge your battery to 100%.
You and I both want to use our batteries to the fullest extent and avoid carrying extra batteries.
Whenever possible, such as daily commutes which do not require the entire capacity of the bike, it is beneficial to use the 80-20% rule to multiply the charge cycles of your very expensive premium batteries. If your daily commute or whatever adventures require more charge, obviously do it! I do it too. It just depends on what is your usage.
It's about protecting your investment and extending the usability of you batteries, avoiding waste of money and increasingly rare resources ( lithium , rare earth metals etc). All this doesn't cost me anything (time or money).Taking this advice into account easy. If you still feel that these simple steps are an unbearable burden, strip you of your freedom, stunt the enjoyment you get from your bikes. Fine. No ones forcing you to at least try to benefit from this advice. go ahead burry your head in the sand do whatever you like but I find it sad/ disappointing that you and others put so much energy in negating , propagandising falsehoods and BS excuses in the face of common sens and overwhelming scientific evidence. The OP was asking about options for taking care of his battery what you an @AHicks are doing isn't helpful it's self aggrandisement .

Regarding the OP, it's not just me. Many are of the notion that they can charge and ride without over thinking it and do that safely. It's the "experts" that come swooping in with all of their paper evidence saying otherwise, trying to convince others they are going to go to hell they don't charge by their way of thinking.
 
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No is suggesting you never charge your battery to 100%.
You and I both want to use our batteries to the fullest extent and avoid carrying extra batteries.
Whenever possible, such as daily commutes which do not require the entire capacity of the bike, it is beneficial to use the 80-20% rule to multiply the charge cycles of your very expensive premium batteries. If your daily commute or whatever adventures require more charge, obviously do it! I do it too. It just depends on what is your usage.
It's about protecting your investment and extending the usability of you batteries, avoiding waste of money and increasingly rare resources ( lithium , rare earth metals etc). All this doesn't cost me anything (time or money).Taking this advice into account easy. If you still feel that these simple steps are an unbearable burden, strip you of your freedom, stunt the enjoyment you get from your bikes. Fine. No ones forcing you to at least try to benefit from this advice. go ahead burry your head in the sand do whatever you like but I find it sad/ disappointing that you and others put so much energy in negating , propagandising falsehoods and BS excuses in the face of common sens and overwhelming scientific evidence. The OP was asking about options for taking care of his battery what you an @AHicks are doing isn't helpful it's self aggrandisement .
I own three Vado/Como batteries. I also own the main SL battery and as many as four SL Range Extenders and two Lovelec batteries as well. I rotate the batteries and possibly keep them on equal number of charge cycles. I understand you own a very expensive Stromer battery. For me, a SL Range Extender of 160 W (2021 price: US$350; 2022 price: US$480) is like paper for printer. Not an investment. As my motivation is to ride, I do not need to feel religious regarding my batteries.

To each their own.
 
I don’t think anyone will see a sudden dramatic drop off in performance by charging to 100% unless it’s a cheap or defective battery. I’m pretty convinced the 20% to 80% rule is a real thing. I guess it’s up to each individual to ignore it, not believe it, or do something about it. It’s certainly not going to stop the earth from spinning if you charge your battery to 100%.
 
I don’t think anyone will see a sudden dramatic drop off in performance by charging to 100% unless it’s a cheap or defective battery. I’m pretty convinced the 20% to 80% rule is a real thing. I guess it’s up to each individual to ignore it, not believe it, or do something about it. It’s certainly not going to stop the earth from spinning if you charge your battery to 100%.
I think your sentiments are the same as most people on the forum. 80/20 is likely real because electric cars basically do that automatically by software. For many ebikers they don't have the capacity to adhere to such a regime. I have spares but I won't haul a spare for a 60 mile ride.

I think the real point is, it's your bike and you'll do what you want😉

 
convince others they are going to go to hell
That's your supercilious interpretation. No one is suggesting you'll go to hell. But maybe suggesting you naysayers ought to... FFS what a ridiculous argument. Gionirocket nailed it. The arguments against are as silly as the climate change denier idjets claiming their HS level science learning trumps 90% of the climate scientists. Do what you will. But gravity will always win in a fall, or maybe that's subject to an opinion too?
 
true be told leaving your bike plug in after fully charged for long periods of time is not a good idea smart charger or not
 
true be told leaving your bike plug in after fully charged for long periods of time is not a good idea smart charger or not
actually my charger shuts off and wont start again unless you plug in the battery again or the power to it is turned off and back on. it has to get a signal from the battery to start again.
 
Then it is certainly blocked!
Punk rock drivel.

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actually my charger shuts off and wont start again unless you plug in the battery again or the power to it is turned off and back on. it has to get a signal from the battery to start again.
Again the difference between high priced OEM batteries and cheap sub $2000 factory direct budget eBikes and batteries. The biggest issue here are those that can’t sort the difference.
Budget DIY batteries can give betterbservice if properly managed. No sophisticated BMS puts the job on the user. What’s hard about that?

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.
 
Hokay, I have a question that may have been answered upthread in the four pages I couldn't quite wade through:

I try to avoid running my battery below about 15% or 20% for sure-- I can do that about 90% of the time. That's easy for most riders, so why not?

But what about the following situation: I'm at 20%, and I know I want to ride in the late afternoon, so I plug in the charger at 9:00 AM. By 1:00 PM, the bike is at 100%, and then at 5:30, I take a short fitness ride, using 20% of the battery. Then I let the bike sit for 5 days before riding again-- so for most of the week, it's at 80%, but it is at 100% for 5 hours.

--> Is this as bad as charging to 100% and leaving it there for 5 days?

Thanks... I may not have been thinking about this clearly, I may have been imagining I'm charging to 80% when I am not.
 
Hokay, I have a question that may have been answered upthread in the four pages I couldn't quite wade through:

I try to avoid running my battery below about 15% or 20% for sure-- I can do that about 90% of the time. That's easy for most riders, so why not?

But what about the following situation: I'm at 20%, and I know I want to ride in the late afternoon, so I plug in the charger at 9:00 AM. By 1:00 PM, the bike is at 100%, and then at 5:30, I take a short fitness ride, using 20% of the battery. Then I let the bike sit for 5 days before riding again-- so for most of the week, it's at 80%, but it is at 100% for 5 hours.

--> Is this as bad as charging to 100% and leaving it there for 5 days?

Thanks... I may not have been thinking about this clearly, I may have been imagining I'm charging to 80% when I am not.
Best practices for me has been a combination of experience of 8 years, never having a pack fail and reading sources that have a respected history, along with a few experienced people here like Ravi, who has posted a lot over the last 8 years on battery care. I don't do 100% of what anyone says, 100% of the time. A pinch of lazy, a pinch of complacency and a dash of convenience affects what I do, for good or bad.

Personally I think you're fine at 60 to 80% during a 5 day layoff. I try to time my charging just before I ride, but what about an early car journey to a destination trail 3 hours away? I charge 2 packs the night before. That can be 12 hours at 100%.

It sounds to me like you're doing fine. Best practices to me also means the best I can do and not necessarily the best that anyone can do.
 
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