BeFreed
    Categories>Technology>How Batteries Measure Charge Percentage and Capacity Explained

    How Batteries Measure Charge Percentage and Capacity Explained

    24 min
    |
    |
    17 апр. 2026 г.
    TechnologyScienceEducation

    Discover how batteries measure charge percentage, the physics of lithium-ion capacity, and what happens when a battery is fully charged or completely drained.

    How Batteries Measure Charge Percentage and Capacity Explained

    Лучшая цитата из How Batteries Measure Charge Percentage and Capacity Explained

    “

    The percentage on your screen is not a direct measurement at all; it is a highly sophisticated, mathematically complex, intelligent guess known as a State of Charge estimation.

    ”

    Этот аудиоурок был создан участником сообщества BeFreed

    Вопрос для ввода

    How does a battery know its % of charge? What is happening when a battery is fully charged at capacity and when it is fully drained and there is no charge left?

    Голоса ведущих
    Jacksonplay
    Стиль обучения
    Глубокий
    Источники знаний
    State of Charge (SOC) Estimation Methods: A Practical Guide for Modern Battery Systems
    link
    https://www.eybms.com/state-of-charge-soc/
    How Is Battery Percentage Calculated?
    link
    https://www.ufinebattery.com/blog/how-battery-percentage-is-calculated-in-modern-devices/
    Deep Dive: How To Protect Your Battery - Charging Edition
    link
    https://www.recurrentauto.com/research/charging-guidance-should-you-avoid-100-and-0
    What happens when charging a lithium battery? - FutureBatteryLab
    link
    https://futurebatterylab.com/insights-into-battery-chemistry-what-happens-when-charging-a-lithium-battery/
    6 Dangers of Setting BMS Cutoffs from Cell Datasheets Alone - Eneronix
    link
    https://eneronix.com/6-dangers-of-setting-bms-cutoffs-from-cell-datasheets-alone/

    Часто задаваемые вопросы

    Узнать больше

    How an engine works

    How an engine works

    ПЛАН ОБУЧЕНИЯ

    How an engine works

    Understanding how engines work is essential for anyone interested in automotive technology, mechanical engineering, or simply wanting to know what happens under the hood of their vehicle. This knowledge is valuable for aspiring mechanics, engineering students, car enthusiasts, and professionals in transportation industries who need to grasp both the practical and theoretical aspects of engine operation.

    1 h 59 m•4 Разделы
    Save on my energy bill

    Save on my energy bill

    ПЛАН ОБУЧЕНИЯ

    Save on my energy bill

    Energy costs represent a significant portion of household expenses, yet most people lack the knowledge to effectively reduce their bills. This learning plan is ideal for homeowners, renters, and anyone seeking to gain control over rising utility costs while building skills that deliver both immediate savings and long-term financial benefits through strategic energy management.

    2 h 18 m•4 Разделы
    Learn electronics basics

    Learn electronics basics

    ПЛАН ОБУЧЕНИЯ

    Learn electronics basics

    Electronics knowledge is essential for anyone looking to build smart devices, pursue careers in hardware engineering, or understand the technology powering our connected world. This learning path is ideal for makers, aspiring hardware engineers, IoT developers, and hobbyists who want to transform ideas into functional electronic products through a structured progression from fundamentals to advanced system design.

    1 h•3 Разделы
    How to read body language

    How to read body language

    ПЛАН ОБУЧЕНИЯ

    How to read body language

    Body language accounts for over 50% of communication, yet most people lack the skills to accurately interpret these nonverbal cues. This learning plan equips you with practical techniques to decode others' true feelings and intentions while helping you become more conscious of your own nonverbal signals.

    1 h 38 m•4 Разделы
    Study energy transition and history

    Study energy transition and history

    ПЛАН ОБУЧЕНИЯ

    Study energy transition and history

    This learning plan is essential for anyone seeking to understand one of the defining challenges of our era—transforming how humanity powers itself while addressing climate change. It's particularly valuable for professionals in policy, business, technology, and sustainability, as well as informed citizens who want to separate energy facts from fiction and understand the realistic pathways to a cleaner energy future.

    3 h 26 m•4 Разделы
    Understand neurotransmitters

    Understand neurotransmitters

    ПЛАН ОБУЧЕНИЯ

    Understand neurotransmitters

    Understanding neurotransmitters provides crucial insights into how the brain regulates everything from mood and cognition to physical movement. This learning plan benefits healthcare professionals, psychology students, and anyone interested in the biological basis of behavior and mental health conditions.

    2 h 8 m•4 Разделы
    reset dopamine and fight phone addiction

    reset dopamine and fight phone addiction

    ПЛАН ОБУЧЕНИЯ

    reset dopamine and fight phone addiction

    In an era of constant connectivity, our attention has become a commodity harvested by addictive algorithms. This plan is designed for professionals and students who feel mentally drained by their screens and want to restore their cognitive clarity through science-backed habit architecture.

    2 h 15 m•4 Разделы
    Engines and tuning

    Engines and tuning

    ПЛАН ОБУЧЕНИЯ

    Engines and tuning

    This learning plan provides a comprehensive technical foundation for anyone looking to master automotive mechanics, from hobbyists to aspiring technicians. It bridges the gap between theoretical combustion physics and practical performance optimization in modern vehicles.

    2 h 54 m•4 Разделы

    Создано выпускниками Колумбийского университета в Сан-Франциско

    BeFreed объединяет глобальное сообщество из 1,000,000 любознательных умов
    Узнайте больше о том, как обсуждают BeFreed в интернете

    "Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

    @Moemenn
    platform
    star
    star
    star
    star
    star

    "I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

    @Chloe, Solo founder, LA
    platform
    comments
    12
    likes
    117

    "Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

    @Raaaaaachelw
    platform
    star
    star
    star
    star
    star

    "Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

    @Matt, YC alum
    platform
    comments
    12
    likes
    108

    "Reading used to feel like a chore. Now it’s just part of my lifestyle."

    @Erin, Investment Banking Associate , NYC
    platform
    comments
    254
    likes
    17

    "Feels effortless compared to reading. I’ve finished 6 books this month already."

    @djmikemoore
    platform
    star
    star
    star
    star
    star

    "BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

    @Pitiful
    platform
    comments
    96
    likes
    4.5K

    "BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

    @SofiaP
    platform
    star
    star
    star
    star
    star

    "BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

    @Jaded_Falcon
    platform
    comments
    201
    thumbsUp
    16

    "It is great for me to learn something from the book without reading it."

    @OojasSalunke
    platform
    star
    star
    star
    star
    star

    "The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

    @Leo, Law Student, UPenn
    platform
    comments
    37
    likes
    483

    "Makes me feel smarter every time before going to work"

    @Cashflowbubu
    platform
    star
    star
    star
    star
    star

    Создано выпускниками Колумбийского университета в Сан-Франциско

    BeFreed объединяет глобальное сообщество из 1,000,000 любознательных умов
    Узнайте больше о том, как обсуждают BeFreed в интернете

    "Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

    @Moemenn
    platform
    star
    star
    star
    star
    star

    "I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

    @Chloe, Solo founder, LA
    platform
    comments
    12
    likes
    117

    "Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

    @Raaaaaachelw
    platform
    star
    star
    star
    star
    star

    "Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

    @Matt, YC alum
    platform
    comments
    12
    likes
    108

    "Reading used to feel like a chore. Now it’s just part of my lifestyle."

    @Erin, Investment Banking Associate , NYC
    platform
    comments
    254
    likes
    17

    "Feels effortless compared to reading. I’ve finished 6 books this month already."

    @djmikemoore
    platform
    star
    star
    star
    star
    star

    "BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

    @Pitiful
    platform
    comments
    96
    likes
    4.5K

    "BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

    @SofiaP
    platform
    star
    star
    star
    star
    star

    "BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

    @Jaded_Falcon
    platform
    comments
    201
    thumbsUp
    16

    "It is great for me to learn something from the book without reading it."

    @OojasSalunke
    platform
    star
    star
    star
    star
    star

    "The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

    @Leo, Law Student, UPenn
    platform
    comments
    37
    likes
    483

    "Makes me feel smarter every time before going to work"

    @Cashflowbubu
    platform
    star
    star
    star
    star
    star

    "Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

    @Moemenn
    platform
    star
    star
    star
    star
    star

    "I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

    @Chloe, Solo founder, LA
    platform
    comments
    12
    likes
    117

    "Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

    @Raaaaaachelw
    platform
    star
    star
    star
    star
    star

    "Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

    @Matt, YC alum
    platform
    comments
    12
    likes
    108

    "Reading used to feel like a chore. Now it’s just part of my lifestyle."

    @Erin, Investment Banking Associate , NYC
    platform
    comments
    254
    likes
    17

    "Feels effortless compared to reading. I’ve finished 6 books this month already."

    @djmikemoore
    platform
    star
    star
    star
    star
    star

    "BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

    @Pitiful
    platform
    comments
    96
    likes
    4.5K

    "BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

    @SofiaP
    platform
    star
    star
    star
    star
    star

    "BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

    @Jaded_Falcon
    platform
    comments
    201
    thumbsUp
    16

    "It is great for me to learn something from the book without reading it."

    @OojasSalunke
    platform
    star
    star
    star
    star
    star

    "The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

    @Leo, Law Student, UPenn
    platform
    comments
    37
    likes
    483

    "Makes me feel smarter every time before going to work"

    @Cashflowbubu
    platform
    star
    star
    star
    star
    star

    "Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

    @Moemenn
    platform
    star
    star
    star
    star
    star

    "I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

    @Chloe, Solo founder, LA
    platform
    comments
    12
    likes
    117

    "Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

    @Raaaaaachelw
    platform
    star
    star
    star
    star
    star

    "Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

    @Matt, YC alum
    platform
    comments
    12
    likes
    108

    "Reading used to feel like a chore. Now it’s just part of my lifestyle."

    @Erin, Investment Banking Associate , NYC
    platform
    comments
    254
    likes
    17

    "Feels effortless compared to reading. I’ve finished 6 books this month already."

    @djmikemoore
    platform
    star
    star
    star
    star
    star

    "BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

    @Pitiful
    platform
    comments
    96
    likes
    4.5K

    "BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

    @SofiaP
    platform
    star
    star
    star
    star
    star

    "BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

    @Jaded_Falcon
    platform
    comments
    201
    thumbsUp
    16

    "It is great for me to learn something from the book without reading it."

    @OojasSalunke
    platform
    star
    star
    star
    star
    star

    "The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

    @Leo, Law Student, UPenn
    platform
    comments
    37
    likes
    483

    "Makes me feel smarter every time before going to work"

    @Cashflowbubu
    platform
    star
    star
    star
    star
    star
    1.5K Ratings4.7
    Начните своё обучение прямо сейчас
    BeFreed App
    BeFreed

    Учите что угодно персонализированно

    DiscordLinkedIn
    Избранные книги
    Crucial ConversationsThe Perfect MarriageInto the WildNever Split the DifferenceAttachedGood to GreatSay Nothing
    Популярные категории
    Self HelpCommunication SkillRelationshipMindfulnessPhilosophyInspirationProductivity
    Списки чтения знаменитостей
    Elon MuskCharlie KirkBill GatesSteve JobsAndrew HubermanJoe RoganJordan Peterson
    Коллекция наград
    Pulitzer PrizeNational Book AwardGoodreads Choice AwardsNobel Prize in LiteratureNew York TimesCaldecott MedalNebula Award
    Избранные темы
    ManagementAmerican HistoryWarTradingStoicismAnxietySex
    Лучшие книги по годам
    2025 Best Non Fiction Books2024 Best Non Fiction Books2023 Best Non Fiction Books
    Избранные авторы
    Chimamanda Ngozi AdichieGeorge OrwellO. J. SimpsonBarbara O'NeillWinston ChurchillCharlie Kirk
    BeFreed vs другие приложения
    BeFreed vs. Other Book Summary AppsBeFreed vs. ElevenReaderBeFreed vs. ReadwiseBeFreed vs. Anki
    Инструменты обучения
    Knowledge VisualizerAI Podcast Generator
    Информация
    О насarrow
    Ценыarrow
    Частые вопросыarrow
    Блогarrow
    Карьераarrow
    Партнёрствоarrow
    Программа амбассадоровarrow
    Каталогarrow
    BeFreed
    Try now
    © 2026 BeFreed
    Условия использованияПолитика конфиденциальности
    BeFreed

    Учите что угодно персонализированно

    DiscordLinkedIn
    Избранные книги
    Crucial ConversationsThe Perfect MarriageInto the WildNever Split the DifferenceAttachedGood to GreatSay Nothing
    Популярные категории
    Self HelpCommunication SkillRelationshipMindfulnessPhilosophyInspirationProductivity
    Списки чтения знаменитостей
    Elon MuskCharlie KirkBill GatesSteve JobsAndrew HubermanJoe RoganJordan Peterson
    Коллекция наград
    Pulitzer PrizeNational Book AwardGoodreads Choice AwardsNobel Prize in LiteratureNew York TimesCaldecott MedalNebula Award
    Избранные темы
    ManagementAmerican HistoryWarTradingStoicismAnxietySex
    Лучшие книги по годам
    2025 Best Non Fiction Books2024 Best Non Fiction Books2023 Best Non Fiction Books
    Инструменты обучения
    Knowledge VisualizerAI Podcast Generator
    Избранные авторы
    Chimamanda Ngozi AdichieGeorge OrwellO. J. SimpsonBarbara O'NeillWinston ChurchillCharlie Kirk
    BeFreed vs другие приложения
    BeFreed vs. Other Book Summary AppsBeFreed vs. ElevenReaderBeFreed vs. ReadwiseBeFreed vs. Anki
    Информация
    О насarrow
    Ценыarrow
    Частые вопросыarrow
    Блогarrow
    Карьераarrow
    Партнёрствоarrow
    Программа амбассадоровarrow
    Каталогarrow
    BeFreed
    Try now
    © 2026 BeFreed
    Условия использованияПолитика конфиденциальности

    Ключевые выводы

    1

    The Illusion of the Digital Fuel Gauge

    0:00
    0:52
    1:47
    2

    The Chemical Dance of Lithium Ions

    2:55
    3:44
    4:38
    3

    Measuring the Pressure of Voltage

    5:51
    6:38
    7:28
    4

    Tracking the Flow with Coulomb Counting

    8:29
    9:16
    9:59
    5

    The Intelligence of the Kalman Filter

    10:53
    11:35
    12:13
    6

    When the Well Runs Dry

    13:05
    13:48
    14:39
    7

    The Invisible Saboteur of Temperature

    15:32
    16:08
    16:52
    8

    The Problem of the "Runner Cell"

    17:52
    18:26
    18:51
    9

    A Playbook for Battery Longevity

    19:54
    20:35
    21:16
    10

    The Future of the Intelligent Battery

    22:05
    22:44
    23:29

    Похожий контент

    Обложка книги How batteries store electricity without losing it
    How Do Batteries Store Energy: Complete Science Guide (2025)How Do Batteries Work? The Physics of Stored EnergyBattery Cells vs. Modules vs. Packs: How to Tell the DifferenceEV Battery Pack and Motor Explained (2025 Guide) | Recharged
    5 sources
    How batteries store electricity without losing it
    Electricity only exists when it's moving, so how do we bottle it? Learn how batteries turn kinetic energy into chemical potential to power our world.
    24 min
    Обложка книги How mechanical watches work without batteries
    The Things We MakeBasic heat transferThe Order of TimeSeven brief lessons on physics
    26 sources
    How mechanical watches work without batteries
    Ever wonder how a tiny machine measures time without electronics? Learn how coiled springs and gears create a mechanical pulse to keep you on schedule.
    32 min
    Обложка книги Battery Revolution: Powering Our Energy Future
    The GridThe End of OilAnti-Tech RevolutionEnergy Myths and Realities
    21 sources
    Battery Revolution: Powering Our Energy Future
    Explore how plummeting battery costs are transforming renewable energy storage, enabling time-shifted power use and grid stability despite intermittent sources. Battery storage capacity doubled last year as the technology matures.
    40 min
    Обложка книги How Cars Actually Make Speed and Power
    Basic Heat TransferGo Like HellBuiltTraffic
    17 sources
    How Cars Actually Make Speed and Power
    Discover why your car is basically an air pump and how turbos, RPM, and engine breathing work together to create the speed and power that gets you moving.
    35 min
    Обложка книги Recharge Your Motivation Battery
    Get It DoneThe Science of Goal Setting: Systems That Beat WillpowerThe Motivation HackerThe Science of Getting Started
    10 sources
    Recharge Your Motivation Battery
    Discover why motivation fizzles out and practical strategies to maintain it, from building momentum through small wins to creating micro-habits that stick even when your initial excitement wanes.
    11 min
    Обложка книги How the Free Energy Principle explains your brain
    Your Brain's Untapped PotentialFree AgentsBeing YouThe Strange Order of Things
    12 sources
    How the Free Energy Principle explains your brain
    If your brain is a prediction machine, do you ever see reality? Learn how active inference helps us minimize surprise and navigate a chaotic world.
    37 min
    Обложка книги Rare
    Rare
    Keith Veronese
    Uncover the hidden world of rare earth metals, their crucial role in technology, and the geopolitical battles they ignite.
    9 min
    Обложка книги The One Device
    The One Device
    Brian Merchant
    A riveting journey through the creation of the iPhone, revealing its global impact and the untold stories behind Apple's revolutionary device.
    10 min