Temu Lithium Ion (Li-Ion) 18650 / 3200mAH Cells Any Good?
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- Опубликовано: 22 сен 2023
- Today I'll be testing out lithium ion (Li-Ion) 18650 / 3200mAH BXE cells from Temu to see if the advertised rating is true so you know exactly what to expect. Testing Temu's NCR 18650B / 3200mAH Li-Ion cells for devices or rebuilding cordless power tool battery packs . Enjoy the video!
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No way! There is false advertising on Temu?? 🙂
Big surprise lol you get what you pay for 😂
Another fantastic review! Thank you!!
Thanks for watching! Looking forward to your video tomorrow.
Thanks for confirming that it is too good to be true. On a "positive" note, at least this battery brand was not advertised as being 10,000 mah.
Nothing beats physics/chemistry. Battery tech improves slowly enough that you can determine the capacity of the battery by weight (within 10% margin which is close enough)
Perhaps capacity, but not resistance. These batteries are entirely unsuitable for rebuilding power tool batteries. Their maximum discharge rate is entirely unknown and power tools can put enormous loads on these batteries.
That was a precisely made video with a precise commentry at its end !!!
I was wondering why I charged them up completely and wasn't getting the run time I was thinking I was going to get
Well done. Advertising the true capacity means certainty in purchase unlike the pot luck approach promulgated by the sellers with the ludicrous capacity claims. Idiots that cut off their nose to spite their face.
I have access to breeze vaping pens. They have a 1000 milliamp battery in the they are just smaller than 2 triple-a batteries I need to figure out. A way to connect 900 of these together. To make a single battery pack at 12 V. I'm thinking that will give me 900000 Milliamp Battery pack. How do I charge that?
if you want to charge a 12v "900000" miliamp battery you will need to connect the cells in a 3s300p configuration to get 12v and 300000 miliamps because you only have 900 cells. hope this helps
Is Temu the new Wish
Yes
Most failed Dyson battery packs I have opened have way more than this. e.g. a V10 pack typically has 2200mah and its a worn out pack. If you can find a Dyson repair person you can get them for free
the most important thing isnt really the capacity, but the draw.
I found this out the hard way
Samsung INR18650 35E have their capacity but all the knock offs suck at all so we stopped buying from all the crap shops and buy those brand cells from domestic sellers.
Temu is the worst shop of all regarding quality.
When you buy from the name brands, they do pretty good because if they don't, it will be WELL documented on the internet.
maybe u can make your own better ;)
Suggestion does aluminum sheet protect from radiation from a phone since u have a radiation meter so that should be interesting to see especially how the new iPhone 12 on the new say might be banned in France for its high radiation?
Phones and microwave ovens emit a different kind of radiation. A geiger counter does not measure that kind.
Morally ethically how could they…
It's done all the time everywhere online. Thanks for watching!
So these batteries have a lot in common with the news media!@@electronicsNmore
mAh ratings are done by manufacturers at 1/2 Amp, 0.50 Amp. Using a 1.0 Amp discharge rate will not calculate the mAh as accurately. Do these Li-Ion cell rewrappers use inferior cells and make outrageous claims? Absolutely, which makes them very dangerous to use at their claimed Amps spec rating and very disappointing for Capacity, but testing mAh this way is not as accurate as it could be. Plus there are things like increased resistance from testing equipment which will also affect accuracy and your rig may not be as efficient as a battery charger/battery discharger with built-in mAh rating device which is dedicated to doing that. And there are also Good, Better, Best selections among them. At least reduce your discharge rate to 0.50 Amp for accuracy.
For charging Li-Ion cells, I always use 0.50 Amps to extend cell life. The higher the Amps used for charging, the more stress is applied and the faster Capacity (rated mAh) is degraded. I have six EPOCH 21700s rated at 45 Amps and 4500 mAh. These are high quality cells which take a very long time to charge at 0.50 Amp, so I charge these at 1.0 Amp, but I charge my Samsung 30T, 35 Amps, 3000 mAh 21700 and all 18650s at 0.50 Amp.
If one wants quality cells with accurate Amp out and mAh ratings, one should always buy Name Brands like Samsung, LG, Sony/Murata, Panasonic, a new one called Molicel, another by EPOCH, and high quality brands like these and always purchase from trusted stores like IMR Batteries, 18650 Battery Store, or Orbtronic to name a few. They cost more, but you get what you pay for. eBay, Amazon and the like should be avoided where Li-Ion cells are concerned. For Li-Ion battery testing results, Battery Mooch is the best. He can be found in forums and Facebook. If you don't see your cell brand and ratings on his list, that generally means it should be avoided. He tests the more popular cells and those sent to him for testing, but he cannot test every cell out there.
I also tested at 1 amp discharge rate. My estimation at the 0.5A discharge rate, maybe 1.5AH capacity. Testing at 0.5A is not really realistic because many people will be discharging these cells at higher rates.
@@electronicsNmore I guess I missed your 1.50 Amp testing. I heard 1.0 Amp and jumped. Watching again, I see your 1.50 testing. 1500 mAh at best guess with 0.5 Amp testing is 2.13 times less than 3200 and probably worse at 1300 mAh, but the point is that manufacturers rate mAh with 0.50 Amp and some use 0.25 Amp. You may never find Spec sheets for rewraps, but quality brands release them and show the discharge Amps used for their mAh rating. Your procedure was good enough to prove your point so I'll thank you for this video. Great job, Scott, and thanks for the reply.
It's always the same story, hype the battery up big time when it's really a piece of, well, you know......
Junk😂😂
you fail to mention that *POWER* tools actually use ALOT of power.
this battery being tested at 1.5amp draw doesnt show much promise when in a power tool. a battery powered drill for example can draw 10-20amps+ when in normal use. any cells that cannot provide minimum 10amps of draw shouldn't even be considered for a power tool.
bad low quality cells can also heat up and *blow up* if the thing draw too much power. because it is like a short circuit for them.
That's true, but I can tell you that the cells shown in this video worked just fine in my worn out Ryobi blower battery.
@@electronicsNmore have you ever tested the current draw of your tool? i think a blower will be interesting to test since the motor is mostly "uncoupled" from the work. because using a fan the power draw would be pretty much constant, comparatively to a saw or drill.
I wouldn't use this crap cell as a replacement for a powertool battery with a bad cell, where cells can see 20A and more unless you want a fire.
Owner of this, RUclips channel repent of your sins and turn to Jesus I suggest Ligonier ministries to get started listening to the word of God