Lithium Battery Capacity Tester ATORCH DL24MP - 150W 25A
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- Опубліковано 6 жов 2024
- #ErCanEverything #DIY #batterytester
🔊In this video I will assemble a 150W Capacity Meter for any kind of Batteries. Also with this device you can measure Power Bank capacity, Internal battery resistance, Voltage drop at different currents, Cable resistances, etc.
🖨️stl Files: mega.nz/folder...
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For those who still don't understand the video. The cut-off voltage in a cell of this SAMSUNG INR 21700 40T 4000mAh lithium battery is 2.5V according to the technical data sheet. In this case, the cut-off voltage to be regulated on the DL24 would theoretically be 12.5VDC, but this is not how it works in these power tool batteries, that is, the voltage cut-off occurs when the batteries no longer turn on the equipment. This cut-off voltage on equipment is 15.5 VDC to 15.00 VDC on 20 V or 18 V battery-powered tools. For example, a fully charged 18 V Bosch battery is approximately 21.03 VDC. When fully discharged on Bosch 18V tools, it cuts the power supply at 15.0VDC, that is, this is the real cut-off voltage of the already assembled 8Ah battery. He did everything correctly in the video, including regulating the discharge current, which is 800mAh, on this SAMSUNG INR 21700 40T 4000mAh cell. As the pack of these batteries is 5S2P per series of each 5 cells of 4000mAh we will have a discharge of 5 X 800mAh = 4000mAh. Congratulations on the video.
It's a nice video where everything is together (assembly, testing) for a device I'm considering buying. Thank you.
Thats good idea, be nice if some one would make up this as a kit, they would sell thousands of them. Thanks for your post.
All those Parkside Battery Projects is GOLD!!!!!! Thank you majstore 💛💙💛💙💛💙
I love Parkside tools❤️🙂
Old Tupperware food storage boxes work great to build stuff like this. they are tough yet easy to cut and the cover can still pop off for easy access inside.
cool cool cool!!! I didn’t even know about such a load!!! I wanted to order it with a computer cooler, but this load is steeper! thanks for this video! I'll buy the same load! (the standard power supply is terrible, you need to replace it with a normal one) thx man!!!! Goood video!!!! Omg it’s awesome!!!!
I'm surprised how easy that AC adaptor came apart 😮
I'd would have used a grommet for the power cable input though. Tie wraps don't secure it enough.
Спасибо! Вот это человечище!!!
Полезная штука. Корпус зачётный.
Great project! I purchase one and waiting for deliviery. Thanx for stl case! Regards from poland ;)
гарна робота !
Excellent power meter, it draws exact 4A 😮
It would be interesting to measure a car battery for example 🤔
That's right Brother, I make it to measure LiFePO4 batteries but you can measure any kind of batteries, even power banks, chargers and cable resistances at different currents.
Elinize sağlık
Teşekkür ederim Dostum🙂
Excellent
Он же четырёх входовые гнёзда запаралелил! Зачем разъем оставил на подключение?
Mate that is amazing. Would it be possible to send me your 3D printer measurement file for the case you made for it please. That looks amazing. Thanks.😊
Nice job! 🔥
Thank you my Friend🙂🤝
Le DL24MP est équipé d'un bi-câblage c'est à dire deux bornes pour la tension (indiquées V+/V-) et deux bornes pour le courant (indiquées I+/I-) ce n'est pas simplement de la décoration et le fonctionnement avec deux fourches qui court-cicuitent les bornes est un mauvaise utilisation de cet appareil, dont on ne profite pas de la précision.
Le bi-câblage permet de s'affranchir de la résistance du câblage qui constitue une résistance, faible certes (suivant la section et la longueur des fils), mais non négligeable.
Le bi-câblage est indispensable pour mesurer la résistance interne, fais la comparaison avec le simple câblage...
La solution est de câbler en 4 fils jusqu'à la charge (batterie, cellule etc).
Il n'est point besoin d'utilise des fils de forte section, 1,5mm² suffit pour le courant (I+/I-) jusqu'à plus de 20A si la longueur n'excède pas 30cm et un fil beaucoup plus fin comme du 0,22mm² sera suffisant pour la tension (V+/V-) quel que soit le courant.
Dans ces conditions on pourra profiter de la précision maximale de cet appareil.
full capacity (8Ah) is between 4.2V and 2.5V not 3.1V as was on movie.
In fact, the cut-off voltage in a cell of this model 21700 4000mAh Lithium battery is 2.5V according to the datasheet. In this case, the cut-off voltage to be regulated on the DL24 would theoretically be 12.5VDC, but this is not how it works in these power tool batteries, i.e. the voltage cut-off occurs when the batteries no longer turn on the equipment. This cut-off voltage on equipment is from 15.5VDC to 15.00VDC on 20V or 18V battery-powered tools. For example, a fully charged Bosch 18V battery has approximately 21.03VDC, when it is completely discharged in 18V Bosch tools, it cuts the power at 15.0VCC, that is, this is the real cut-off voltage of the already assembled 8Ah battery. He did everything correctly in the video, including regulating the discharge current, which is 800mAh, on this SAMSUNG INR 21700 40T 4000mAh cell. As the pack of these batteries is 5S2P per series of each 5 cells of 4000mAh we will have a discharge of 5 X 800mAh = 4000mAh.
That's one nasty blister, dude.
Useful 👍👍👍
🙂
Hello, where did you get the housing for your DL24m?
Greetings Bernd
Hello🙂
Check description of the video for stl file.
Zły pomysł z tym połączeniem wyjść prądu i pomiaru napięcia.
Teraz nie pokazuje prawdziwego napięcia na testowanej baterii.
Zepsułeś jedną z zalet tego urządzenia.
I feel so stupid. I can't get this setup. i have 8,[ Unmatched ], 105, 3.2 volt, Ah lifepo4 cells, and all I want is to write a known capacity number on each of these.
tienes algun archivo para imprimir la carcasa ?
Can't find the case, I can only find the DL24 unit :(
كم ثمنه
Capacity of the battery or price of the device?
The battery capacity is ~ 7Ah
For the price check video description
Where i can found this case
The video description has it all🙂
👍👍👍👍👍
Teşekkürler
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