1. Looking back as I've tried to make use out of older batteries, I've found that it gets complicated on the question of cycle lifetime of batteries and how much is conspiracy. There is no perfect battery; even brand new best quality consumes more power from a charge than it returns. Degrading after x cycles (might say 4000 for LiFePO4 and 400 for Lead-Acid) is of course not a matter of "suddenly it's useless", so I tend to do two things: Use more than the rated cycles even though it lost much of the cell's capacity (maybe use in another device needing lower power), and learning what companies do to force them to degrade faster.

   For example, if you NEVER charge your smartphone over 80% nor drain below 40% then you'll get wonderfully increased life. Limit 60% even better. Still wears out eventually of course. I forget to stop charging, and ruin them within just a few overnighters @100%. I immediately notice the drastic loss, suddenly fails to last all day, but why is it so hard to get hardware which protects cells? Bingo, they want more money. Why help you keep cells longer? Why help ppl save the good cells when only one cell is bad in a pack? They would make millions less even though it would only cost relatively nothing to solve. I have a msi "gaming" laptop with the feature so someone was aware of the need. Another trick is "hey why charge slower when you can heat them up with super-fast chargers and destroy them sooner?"

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2. You think there is 4 module and all module voltage are same but but how we understand that one module soc is low??

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3. those LiPO batteries are very expensive $50 $60 to beat pieces of junk what can we do to correct this…..

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4. but China is notorious for bootleg pirated name brand everything so is Samsung Panasonic LG sanyo truly the only brand names available or has China hijacked those as well

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5. yes I just heard Asus laptops maybe others have this disabling chip that counts the cycles and cannot be repaired can I be replaced even though you put new batteries in it the chip will defeat you so how do we defeat the chip or replace the chip or reprogram the chip…. what is the difference in 15 r25r where do I purchase good value 18650 batteries

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6. your links are no good

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7. I know this is an old video but man I enjoy your channel. Found you while looking for ebike info.

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8. Glad you did this Jehu.

   It’s also refreshing and a shared interest that you are paying attention to the feedback.

   Great explanation.

   Thanks for sharing.

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9. lto kills them all in safety them dont catch on fire, lifepo4 is my second choice for car audio and nmc aka cmax thats just asking for fire.

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10. The problem is not capitalism. The problem is greed and greed infects every economic system, especially when governments have more control over resources.

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11. What will be consider a good battery cell? Should 2200mah be the lowest to consider if I wanted to build my own battery pack for my bike.

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12. Why BMS's suck! designed to fail faster!!

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13. Enjoy your videos I am a huge DYI just wondering what are the safest and longest lasting battery cells to make a batter for a solar generator.

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14. That's the best explanation I've ever heard, awesome info!

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15. For some reason your explanations are not clear….

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16. 😍

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17. I bought 2 cell usb charger 6000mah and i am planning to upgrade add 2 more batteries at 4000mah each. will this cause a trouble on mobile, batteries and charger module?

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