Recent content by akkuman126

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    Cycle lifetime test Panasonic NCR18650B

    I´ve made a test over 200 cycles. Here are the results: GLaeZ32cB6E
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    DIY 740Wh battery pack with Panasonic NCR18650B

    Its for an elektric boat. There I need a 6s battery
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    DIY 740Wh battery pack with Panasonic NCR18650B

    I use 10 cells parallel. So the max. current is 30A. With a voltage of 21,6V that are 650W. My average consumtion is 250W for my motor. Max. 500W. So I save money and weight with the NCR18650B cells.
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    DIY 740Wh battery pack with Panasonic NCR18650B

    I´m building a battery pack with 60 Panasonic NCR18650B cells. Cells are great in performance and in cycle life time. https://www.youtube.com/watch?v=-xXxFsooSdI https://www.youtube.com/watch?v=nqxY-899Rb8
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    Spot Welder MOSFET for 60$ and battery box

    my Pansonic NCR18650B cells arrived. https://www.youtube.com/watch?v=-xXxFsooSdI
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    Spot Welder MOSFET for 60$ and battery box

    I also make cycle lifetime test with my new Panasonic NCR18650B cell. Informations coming soon
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    DIY Spot Welder MOSFET easy to build and cheap

    I got my NCR1860B cells. Yesterday i started a life cycle test with one of them. Charge with 1.5A up to 4.2V. Discharge with 3A down to 3V. Want to compare with the Panasonic datasheet. After 100 cycles i will stop the test to compare. But that takes 3 Weeks.
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    Spot Welder MOSFET for 60$ and battery box

    It works very good with 0.15mm pure nickel strips. I will upload a video in a few days showing how it works. But if you need more power, a second cap is helpfull
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    Spot Welder MOSFET for 60$ and battery box

    I made a perfect working spot welder with MOSFET switch. Easy to build and cheap. Here is the tutorial: Part 1: https://www.youtube.com/watch?v=VSGhcC35Z6Q Part 2: https://www.youtube.com/watch?v=o6OafhgeK_U I also ordered a batterybox from aliexpress for 45$ for my Li-ion cells. Want to...
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    18650 spot welding -how to- ULTIMATE REPOSITORY

    I use 0.15mm nickel strips and my selfmade spotwelder. It works perfect. https://www.youtube.com/watch?v=VSGhcC35Z6Q
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    DIY Spot Welder MOSFET easy to build and cheap

    I got my new battery case for my lithium-ion cells. https://www.youtube.com/watch?v=nqxY-899Rb8
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    DIY Spot Welder MOSFET easy to build and cheap

    Part II shows how to load the cap and first test. Need some exercise but now I´m ready to build my 700Wh Li-ion battery pack with my new spot welding machine. Yesterday I ordered 60 Panasonic NCR18650B batterys, so I hope they will arrive soon. Stay tuned! o6OafhgeK_U...
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    DIY Spot Welder MOSFET easy to build and cheap

    I made a tutorial to build a cheap spot welder. https://www.youtube.com/watch?v=VSGhcC35Z6Q&t=16s What do you say about it?
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