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𝙼𝚊𝚛𝚒𝚎𝚖𝚊𝚕𝚒 ᐢ. ̯.ᐢ :
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2026-10-30 13:58:28
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Explanation of the 18650 Lithium-Ion Battery Connections This image shows two different ways to connect 18650 lithium-ion batteries: parallel connection and series connection. Each battery is rated at: Battery type: 18650 Lithium-Ion Voltage: 3.7V nominal Capacity: 2200mAh (2.2Ah) 1. Parallel Connection (Top Image) In the top image, four batteries are connected in parallel. Connection: All positive (+) terminals are connected together. All negative (−) terminals are connected together. Output: Voltage: 3.7V Capacity: 8.8Ah (8800mAh) Calculation: Voltage = 3.7V Capacity = 2.2Ah × 4 = 8.8Ah Applications: Power banks Portable electronic devices 3.7V battery packs 2. Series Connection (Bottom Image) In the bottom image, four batteries are connected in series. Connection: The positive (+) terminal of one battery connects to the negative (−) terminal of the next battery. The output is taken from the two free terminals at the ends of the series-connected pack. Output: Voltage: 14.8V Capacity: 2.2Ah (2200mAh) Calculation: Voltage = 3.7V × 4 = 14.8V Capacity = 2.2Ah Applications: Portable power supplies Battery-powered equipment Some solar and electronic projects 3. Difference Between Series and Parallel Connections Feature Parallel Connection Series Connection Number of batteries 4 4 Voltage 3.7V nominal 14.8V nominal Capacity 8.8Ah 2.2Ah Energy 32.56Wh 32.56Wh Connection Positive to positive, negative to negative Positive to negative Main benefit Higher capacity at the same voltage Higher voltage at the same capacity 4. Important Safety Precautions ⚠️ Use batteries of the same type, capacity, and similar condition. Use a suitable Battery Management System (BMS) to protect against overcharging, over-discharging, and excessive current. For a 4-series lithium-ion pack, use a compatible 4S BMS. A standard 3.7V lithium-ion cell typically charges to 4.2V when fully charged. Therefore, a 4S pack reaches 16.8V when fully charged, not 14.8V. Never connect batteries with different voltages directly in parallel, as a large equalization current can flow. Avoid short circuits, overheating, and incorrect polarity. Conclusion: A parallel connection increases battery capacity, while a series connection increases voltage. Both arrangements contain the same total nominal energy when using four identical batteries.#francetiktok #basicelectronics #foryou #electronic #electronicseducation
Explanation of the 18650 Lithium-Ion Battery Connections This image shows two different ways to connect 18650 lithium-ion batteries: parallel connection and series connection. Each battery is rated at: Battery type: 18650 Lithium-Ion Voltage: 3.7V nominal Capacity: 2200mAh (2.2Ah) 1. Parallel Connection (Top Image) In the top image, four batteries are connected in parallel. Connection: All positive (+) terminals are connected together. All negative (−) terminals are connected together. Output: Voltage: 3.7V Capacity: 8.8Ah (8800mAh) Calculation: Voltage = 3.7V Capacity = 2.2Ah × 4 = 8.8Ah Applications: Power banks Portable electronic devices 3.7V battery packs 2. Series Connection (Bottom Image) In the bottom image, four batteries are connected in series. Connection: The positive (+) terminal of one battery connects to the negative (−) terminal of the next battery. The output is taken from the two free terminals at the ends of the series-connected pack. Output: Voltage: 14.8V Capacity: 2.2Ah (2200mAh) Calculation: Voltage = 3.7V × 4 = 14.8V Capacity = 2.2Ah Applications: Portable power supplies Battery-powered equipment Some solar and electronic projects 3. Difference Between Series and Parallel Connections Feature Parallel Connection Series Connection Number of batteries 4 4 Voltage 3.7V nominal 14.8V nominal Capacity 8.8Ah 2.2Ah Energy 32.56Wh 32.56Wh Connection Positive to positive, negative to negative Positive to negative Main benefit Higher capacity at the same voltage Higher voltage at the same capacity 4. Important Safety Precautions ⚠️ Use batteries of the same type, capacity, and similar condition. Use a suitable Battery Management System (BMS) to protect against overcharging, over-discharging, and excessive current. For a 4-series lithium-ion pack, use a compatible 4S BMS. A standard 3.7V lithium-ion cell typically charges to 4.2V when fully charged. Therefore, a 4S pack reaches 16.8V when fully charged, not 14.8V. Never connect batteries with different voltages directly in parallel, as a large equalization current can flow. Avoid short circuits, overheating, and incorrect polarity. Conclusion: A parallel connection increases battery capacity, while a series connection increases voltage. Both arrangements contain the same total nominal energy when using four identical batteries.#francetiktok #basicelectronics #foryou #electronic #electronicseducation
#ربابة لي الاغاني التراس🎵🎶🎼💘❤️🐪💔💘❤️❤️‍🔥💔🌹🥀🌹🥀🥰🇸🇩
#ربابة لي الاغاني التراس🎵🎶🎼💘❤️🐪💔💘❤️❤️‍🔥💔🌹🥀🌹🥀🥰🇸🇩
سورة الكافرون 🤍 #تلاوة_خاشعة #قران #قران_كريم #اللهم_صلي_على_نبينا_محمد #Quran
سورة الكافرون 🤍 #تلاوة_خاشعة #قران #قران_كريم #اللهم_صلي_على_نبينا_محمد #Quran
Um vídeo gerado por IA mostrando como seria a despedida de CRISTIANO RONALDO com show de drones na Ilha da Madeira, em Portugal! 😢👏🏼🇵🇹7️⃣🤖 📹: @seihanaifilms #CoberturaCazéTV #CristianoRonaldo #Portugal #cztv17
Um vídeo gerado por IA mostrando como seria a despedida de CRISTIANO RONALDO com show de drones na Ilha da Madeira, em Portugal! 😢👏🏼🇵🇹7️⃣🤖 📹: @seihanaifilms #CoberturaCazéTV #CristianoRonaldo #Portugal #cztv17

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