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Learn how to safely charge Li-ion batteries using FNIRSI IPS3608 DC Power Supply in 5 simple steps: 1️⃣ Check battery specs (3.7V nominal, 4.2V full charge) 2️⃣ Check battery condition (voltage ≥ 2.5V) 3️⃣ Set over-voltage (4.25V), over-current (1.2×max), and over-temperature (50°C) protection 4️⃣ Adjust output voltage & current (4.2V, 1A) 5️⃣ Wire correctly & start charging ⚠ Safety tips: use a dedicated charger if not experienced; never charge over-discharged batteries (<2.5V). 🔗 Product Link
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🔗 Learn more: https://fnirsi.top/47tbaoM 💥 $15 OFF with code: 2D15P15 Learn to measure battery voltage with an oscilloscope in seconds! 💡 ✔ Clear steps: probe connection, channel setup, trigger measurement ✔ View DC waveform RMS voltage ✔ Quick and accurate voltage reading Master the FNIRSI 2D15P 3-in-1 device for smarter measurement! ✨ 100MHz dual-channel oscilloscope, 500MSa/s sampling ✨ Built-in 10MHz signal generator with 9 waveform types ✨ 19999 digit True RMS multimeter: AC/DC voltage &
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FNIRSI 2D15P Touchscreen 2CH 100MHz Digital Oscilloscope Multimeter DDS | How to Test AC Mains No more fear of testing AC mains! FNIRSI 2D15P 3-in-1 oscilloscope, black to black, red to red, press Auto and see the waveform instantly. 🔗 Product Link: 🌐 Office: https://fnirsi.top/3M9kF5E $15 USD OFF! 🔥 code: 2D15P15 · 2CH Automotive Oscilloscope Multimeter DDS Signal Generator · 19,999 TRMS Counts, 500MS/s Sampling Rate · 4.3'' Touch Screen #FNIRSI #2d15p #oscilloscope #multimeter #DDS #Touchsc
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Learn how to safely test AC powers, switching power supply chips (SMPS), and crystal oscillators using the FNIRSI 2D15P oscilloscope. 🔗 Learn more: https://fnirsi.top/3K1D3fZ $15 USD OFF 🔥Code: 2D15P15 Step-by-step guide: · Switch probe to 10X and set coupling to AC · Connect probe to crystal oscillator for smooth sine wave reading · Test live AC mains safely · Measure SMPS voltage and waveform in DC mode with 16-bit resolution ✅ Perfect for electronics engineers, hobbyists & lab testing. ◉ 3-
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How Pros Fix Circuit Boards with an Oscilloscope Stop guessing when a circuit board fails. Look first. Smell. Ask what happened. Then measure with the right tools. 🔗 Product Link: 🌐 Office: https://fnirsi.top/3MAtw0r $15 USD OFF! 🔥 code: 2D15P15 FNIRSI 2D15P Touchscreen 2CH 100MHz Oscilloscope Multimeter DDS helps combine inspection, measurement, and signal testing in one workflow. #FNIRSI #2d15p #Oscilloscope #Multimeter #circuitboard #electronic #repair #troubleshooting | Fnirsi
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