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20 Best Gsm Battery Monitor of 2023 – Romance University
After hours researching and comparing all models on the market, Romance University finds out the Best Gsm Battery Monitor of 2023. Check our ranking below.
2,884 Reviews Scanned
Rank No. #1
Renogy 500A Battery Monitor with Shunt, High and Low Voltage Programmable Alarm, Range 10V-120V up to 500A, 20ft Shielded Cable, Compatible 12V Lithium Sealed, Gel, Flooded Batteries,Black
- 【1% Accuracy Measurement】Shunt-type monitor design provides much more accurate real-time voltage and current draw measurement.
- 【Protect the batteries】With High and low capacity alarm functions, our battery monitor with shunt will alarm, and backlight and voltage value will flash simultaneously to protect the batteries from getting over-discharged.
- 【Fit for all battery】The batter tester is compatible with various battery types, including Lead Acid (AGM, GEL), Lithium Iron Phosphate, Lithium-ion, Nickel-metal hybrid. compatible with batteries operating at 12 volts, 24 volts, and 48 volts.
- 【Easy To read】Displays multiple electronic parameters, including Voltage, Current, Consumed Power, Battery Capacity, and battery degradation rate with a customized brightness high-definition Backlight Display.
- 【Easy to Install】Transparent shunt holder makes the battery tester easier to mount the shunt. And the 20ft Shielded cable allows you to monitor the battery status from a distance.
SaleRank No. #2
IPX7 Waterproof Battery Monitor12v 24v 36v 48v 60v 72v,Car Motorcycle Golf cart Battery Meter Digital Battery Capacity Remaining Capacity Percentage Tester with Buzzer Alarm and Temperature
- · APPLICATION --- The battery testers can be used for testing battery voltage and capacity for electric motorcycle, motorcycle，golf cart, automotive , car, marine, RV, boat, etc.
- · APPLICABLE BATTERY --- The digital battery monitor is suitable for 7-100V (12v 24v 36v 48v 60v 72v 84v) Ternary lithium battery, lead-acid AGM battery, LiFePO4 battery. Default 12 volt lead acid battery .
- · PROTECTION ---The smart battery monitor with fully colsed protective shell, dustproof ,IPX7 Waterproof ,It can be used for indoor and outdoor. input reverse connection protection.
- · INSTALLATION --- The red wire for the positive and the black wire for the negative. The wires length are 15.75 inches,we also provide double-side adhensinve for conventient installing.
- Buzzer Alarm&Ttemperature--- The battery monitor can set low and high voltage buzzer alarm and short press"M"key can switch voltage and temperature（Celsius).
SaleRank No. #3
LNEX 500A Shunt Battery Monitor, 2.4" Color Screen RV Battery Monitor with 10ft Shielded Wire, Support High Low Voltage Programmable Alarm for 8-100V Lifepo4, Lithium Sealed, Gel, Flooded Battery
- More Accurate,No Data Lost:Upgraded shunt battery monitor equipped with high precision current detector which provides more accurate real-time voltage and current measurement. Moreover, LNEX battery monitor can automatically store the latest testing data when its system shuts down for protecting no data becomes lost when a power failure occurs.
- More Clear,No Blurry:For improving the visual experience, LNEX developed a battery monitor with 2.4" color screen which has a clearly backlit LCD display and a user-friendly interface.everything is displayed on the large color screen, you can easily check the readings at a glance or at the press of a button.
- More Safe, No Over-Discharged:With high low capacity alarm function,our rv battery monitor will alarm and backlight and voltage value will flash simultaneously to draw your attention, when your battery capacity is low or high to protect the batteries from getting over-discharged.
- More Simple,NoComplicated：Transparent shunt holder with clearly marked positive and negative makes it easier to mount the shunt while the 15ft long shielded wire allows you to monitor the status of your battery from a distance.
- All Compatible,Less Consumption:LNEX smart battery monitor 500A can monitor 8V-100V battery, compatible with various battery types, including Lead Acid, LiFePO4, Lithium-ion, Nickel-metal hybrid,widely used in the battery monitoring of RV, Car, Electric Motorcycle, Golf Cart, Boat and etc. In addition, Our battery monitor brightness is adjustable which keeps you comfortable at night and saves your battery power.
Rank No. #4
ECO-WORTHY 200A Battery Monitor, Easy DIY with Hall Sensor, 0-100V Battery Meter with Program, Auto Detection,for 12V/24V/36V/48V Li-ion/LiFePO4/AGM/Gel Battery in Golf Cart/RV/Solar System
- 【For 9-100V battery bank】Suitable for 9-100V, 0-200AH battery bank. Auto recognition for different batteries, such as li-ion, LiFePO4, Gel, AGM, etc.
- 【 Precise Data】the displays include battery voltage/current/power and current capacity, remaining time, and volume percent.It has backlight function for monitoring at night.
- 【Easier to set up】with hall sensor,it can be easier for wiring compared with the shunt. No necessary to install with screws.just wire the cable through the hall sensor.
- 【Programmable Parameters】14 items can be programmed.such as high/low voltage,amperage, temperature,etc. When reach the programmed value,the alarm will be sent out by flashing.
- 【Package include】LCD display*1, hall sensor*1, xxin display-battery cable*1, xxin display-hall sensor cable*1, manual*1
Rank No. #5
IPX7 Waterproof Battery Monitor with Bracket 7-100V,Car Motorcycle Golf cart Battery Meter Digital Battery Capacity Remaining Capacity Percentage Tester with Buzzer Alarm and Temperature
- APPLICATION --- The battery testers can be used for testing battery voltage and capacity for electric motorcycle, motorcycle，golf cart, automotive , car, marine, RV, boat, etc.
- APPLICABLE BATTERY --- The digital battery monitor is suitable for 7-100V (12v 24v 36v 48v 60v 72v 84v) Ternary lithium battery, lead-acid,AGM battery, LiFePO4 battery. Default 12 volt lead acid battery .
- PROTECTION ---The smart battery monitor with fully colsed protective shell, dustproof ,IPX7 Waterproof ,It can be used for indoor and outdoor. input reverse connection protection.
- INSTALLATION --- The red wire for the positive and the black wire for the negative. The wires length are 15.75 inches,we provide mounting bracket,double-side adhensinve and screw for conventient installing.
- Buzzer Alarm&Temperature--- The battery monitor can set low and high voltage buzzer alarm and short press"M"key can switch voltage and temperature（Celsius).
SaleRank No. #6
bayite DC 6.5-100V 0-100A LCD Display Digital Current Voltage Power Energy Meter Multimeter Ammeter Voltmeter with 100A Current Shunt
- Test range: Voltage: DC 6.5~100V; Current: 0~100A; Power: 0~10kW; Energy: 0~9999kWh
- Store energy data when power off (can be reset to 0). The blue backlight can be turned on/off manually
- With overload alarm function (If active power is larger than threshold, backlight and power value will flash)
- 4 in 1 meter; Large-screen LCD (displays voltage, current, active power, energy at the same time)
- Warranty:1-year free replacement or full refund without return
Rank No. #7
WonVon Battery Monitor with Shunt, 600A 0V-120V Battery Monitor for RV Motorcycle Golf Cart Solar Panel Battery with LCD Screen,Capacity Percentage Time Power Voltmeter Display,Support High/Low Volta
- 【Compatible With 0-120V Battery】Lead Acid, Lithium Iron Phosphate, Lithium-ion, Nickel-metal hybrid,widely used in the battery monitoring of RV, Car, Electric Motocycle, Golf Cart, Boat and ect.
- 【2.4-Inch High-definition Color LCD Screen】With optimized interface upgrades and larger, clearer text.The buttons use silicone material, which, on the basis of good operational fluency and fast response speed, adds comfortable tactile feel.
- 【Mobile Phone Bluetooth Monitoring】Can connect the measurement module through the mobile phone wireless Bluetooth, and view the battery real-time digital linear data setting parameters in the mobile phone.
- 【Low Power Consumption】High-Quality pure copper shunts used have excellent conductivity and low losses so that the WonVon battery monitor itself consumes very little power.
- 【Easy to Install】The shunt can be stably placed or mounted on a flat surface by the shunt holder. The monitor display is simple to install as it's fixed by tabs. (The manual provides very detailed installation instructions)
Rank No. #8
Fusion Energy, TBD-SmartShunt 500 amp Battery Monitor, Connect via Bluetooth, Smart Batteries Detector, Compatible with Android & iOS (500amp)
- ⚡ Battery Data Detection: Get all the parameters of your battery from the free TBD-SmartShunt. Such as charge state, voltage, current, remaining time and historical data, etc.
- ⚡ Bluetooth Connection: Connect to the device via Bluetooth, which is handy and fast. Reduce the complicated process of connecting to the network, saving time and energy.
- ⚡ Auxiliary Function: In addition to monitoring the main battery parameters, TBD-SmartShunt can also monitor the second battery, midpoint and temperature.
- ⚡ Important NOTE: Incorrect installation may be dangerous, please consult a licensed professional and observe all applicable electrical codes during installation.
- ⚡ What You Can Get: A 500 Amp TBD-SmartShunt with instructions, two red cables with fuses, a black cable with fuse, and two M5 mounting screws.
Rank No. #9
DC Multifunction Battery Monitor Meter,0-200V,0-300A (Widely Applied to 12V/24V/48V RV/Car Battery) LCD Display Digital Current Voltage Solar Power Meter Multimeter Ammeter Voltmeter
- 1.9 in 1 Measuring Type/Range:Voltage 0-200V,Current 0-300A,Power 0-60000W,Impedance 0-1000Ω,Internal Resistance 0-999mΩ,Capacity 0-1000AH,Dump energy 0～9999kWh,Running time 0-999 hour.
- 2.LCD Display:Large-screen LCD with a full sight of 180° view,The blue backlight can be turned on/off manually.
- 3.Two modes: normal display mode and dormant mode.
- 4.No screws design: Press down terminal buttons, insert bare thread and release.
- 5.Wildly application:DC multifunction battery meter wildly applied to solar system/industrial assembly line/Automobile/RV etc.
Rank No. #10
CAMWAY Battery Monitor 8-120V 0-500A Voltmeter Ammeter Voltage Current Meter Backlight Waterproof Auto Car Motor Boat Caravan RV Motorhome Golf Cart,etc
- All-in-one Battery Monitor：Test The State of Charge (%),The remaining battery capacity ( up to 999AH). Charge and discharge current (A), Voltage (V).These information leads to more efficient use of the battery, which can enhance battery life and reduce the risk of failure.
- High-definition Backlight Display:Clear display of various parameters at a glance， two-way detection and display function.When the current is less than 50ma, it will automatically enter the sleep mode, and it will light up by pressing the button
- Various Usetage：The Battery Tester Voltage range 8-120V , can test any kind of battery within 500A, Apply for Golf Cart RV mobile and portable equipments, e-bike, balance cars, Vacuum Cleaner etc
- Data Storage: Designed to automatically store the last testing data when system shuts off.
- Slitly-touch Button,Humanized Design：Slitly-touch the button to activate the backlight and switch the display of other parameters.
Rank No. #11
LNEX Bluetooth Battery Monitor，Wireless 12V 24V Automotive Battery Load Tester with Charging & Cranking Test & Alarm for Solar Power Systems/RVs/Motorcycles/Boats/Cars/Trucks
- 🌞Faster Speed & Lower Consumption: LNEX bluetooth battery monitor communicates with your phone via BT 5.0 to send you notifications when you approach car. It'll help you prevent vehicle breakdowns due to power outages.As well as, our car battery tester can transfer data faster and more stable. Notably, its power consumption is reduced to minimal, almost nothing compared to all automotive battery testers.
- 🌞Safe Protection & Abnormal Alarm:Our automotive battery tester owns safety technology including Short-circuit protection,reverse polarity protection, Protect you from wrong operation and keep your safety. As well, Our Wireless battery monitor can monitor batteries remotely, you can set battery level alarms so you know before killing your battery.
- 🌞Bluetooth 5.0 Battery Monitor:With the Bluetooth 5.0 Technology, LNEX Battery monitor can transfer data up to 2 times the speed of the predecessor, Bluetooth 4.0, resulting in faster and longer distance connection.(Suits for IOS/Android)
- 🌞Cranking & Charging System:LNEX 12V/24V battery tester can automatically monitor the battery and enable you to check the alternator's charging and Starter's cranking conditions with min voltage, cranking Time, and graphing voltages. voltage in high RPM, charging voltage ripple and charging system status.Also, you can keep a driving log of driving time and duration for auto record and store up to 30 days of data.
- 🌞12V/24V Battery Monitor:Our digital car battery tester is compatible with all 12V/24V batteries, including regular flooded, AGM flat plate, AGM spiral, and GEL and EFB batteries for vehicles, forklifts, hybrid cars, SUVs, Pickups, Boats, RVs, Motorcycles, travel Trailers, and even solar power systems.
Rank No. #12
QWORK Battery Monitor Voltmeter Ammeter, Voltage Current Range 8V-80V, 0-100A Voltage Current Meter for Auto Car Motor Boat Caravan RV
- Battery Condition - High precision Current detection. You can read the battery bank like a fuel gauge, and also clear note the battery status.
- LCD displays - Large backlit LCD displays multiple battery information (voltage, current, consumed power and battery capacity)
- Data storage - designed to automatically store the last testing data when the system shuts off Voltage Capacity - voltage range 8V-80V and current range 0-100A
- Wide Application - It is suitable for mobile and portable equipment, balance cars, cleaning machines,e-bike, instruments, RV, Boat, Caravan etc.
- 100% Satisfied Service - Enjoy a smooth&worry-free return service within a month. Any questions feel free to contact us, we will be here for you.
Rank No. #13
Victron Energy SmartShunt 500 amp Battery Monitor (Bluetooth)
- Victron Energy SmartShunt displays battery State of Charge % and acts like a fuel gauge for your batteries
- Victron Energy Smartshunt is an easy to set-up, all in one battery monitor. It records voltage, current, energy & time remaining, and much more. Keeps records and charts of historical data and alarms
- Connect Victron Energy Smartshunt to your phone or tablet via Bluetooth and easily modify settings or monitor your batteries - save space by not using a dedicated display
- Optionally connect to a Victron Energy GX device with a VE.Direct cable, monitor a second battery, bank midpoint, or temperature (may require additional parts)
- Incorrect installation can be hazardous. Consult a professional and follow electrical codes during installation
Rank No. #14
DROK Battery Capacity Monitor, 10-100v Battery Meter, 12v 24v 48v Battery Power Percentage Voltage Fahrenheit Temperature Indicator Gauge
- Applicable Battery Type --- DROK digital battery monitor is suitable for 10-100V (12v 24v 36v 48v 60v ) lithium battery, lead-acid battery, lithium iron phosphate battery, Ni MH battery.
- Application --- Can be used as battery voltage meter and battery capacity tester for car, marine, RV, boat, etc.
- Temp Gauge in F. --- The temperature indicator can display in Fahrenheit. (Note: the temperature is not the air but the internal meter temperature.)
- The 1 You Want --- Easy to install and use. Allows you to program the percentage with a corresponding voltage.
- Default --- 12 volt lead acid battery.
SaleRank No. #15
DROK Battery Monitor, 10-100V Digital Battery Capacity Tester, Percentage Level Voltage Temperature Switch Meter Gauge 12V 24V 36V 48V LCD Display Marine RV Battery Power Indicator Panel
- APPLICABLE BATTERY --- DROK digital battery monitor is suitable for 10-100V (12v 24v 36v 48v 60v 72v 96v) lithium battery, lead-acid battery, lithium iron phosphate battery, Ni MH battery. Default 12 volt lead acid battery.
- APPLICATION --- this multimeter can be used as battery voltage meter, battery capacity tester and temperature indicator panel for car, marine, RV, boat, etc.
- PROTECTION --- the battery power detector comes with protective shell, dustproof waterproof surface; input reverse connection protection.
- LCD DISPLAY --- the battery status reader adopts clear LCD color screen, displays battery capacity, voltage, temperature value(switched by the key).
- ALARM --- if low voltage, red indicator flashes and buzzer alarms.
SaleRank No. #16
DC 12V 24V 36V 48V 72V Battery Meter, Battery Capacity Voltage Monitor Gauge Indicator, Lead-Acid&Lithium ion Battery Tester, for Golf Cart RV Marine Boat Club Car Motorcycle - with Alarm, Green
- 3 in 1 battery voltage meter - With a switched function button to choose the battery capacity, real-time voltage or turn off; New alarm function, when the battery capacity is lower 20%, the screen display will flash to alarm.(Note: package only include 1 battery meter!)
- Universial battery status monitor - wide working voltage input range DC 12V-84V.Can be automatically detect to the accurate capacity according to the battery voltage.
- Suitable for various battery types - fits to 12V/24V/36V/48V/60V/72V/84V lead acid battery, Ternary Lithium battery, Polymer lithium-ion battery, 3-28 series Lithium ion battery, Storage battery, Water battery and 4-28 series Lithium Iron Phosphate batteries, etc
- Sensitive LCD digital display - the small battery voltage reader with a PVC waterproof screen protector, clear and bright green backlight LCD display from any angle; Low working power consumption(5mA max), in additional there's a turn off button for it.
- Multifunctional application - suitable for golf cart, RV, marine, boat, club car, motorcycle, car, bike, ebike, scooter, truck, vehicle, jet ski, forklift
Rank No. #17
AtHome Camera - Remote video surveillance, Home security, Monitoring, IP Camera
- 1. Remote monitoring on the go: watch live streaming via 3G/4G or WiFi from anywhere at anytime;
- 2. Motion detection: get emails or push notifications instantly when motion is triggered;
- 3. Scheduled recording: you can specify two time intervals each day to automatically start/stop video recording;
- 4. Two-way Talk: communicate with people and pets using the built-in mic and speaker;
- 5. Secure and private: all connections between your phone and the streaming servers are encrypted;
SaleRank No. #18
Stealth Cam Fusion X AT&T 26 MP Photo & 1080P at 30FPS Video 0.4 Sec Trigger Speed Wireless Hunting Trail Camera - Supports SD Cards Up to 32GB
- SUPERIOR QUALITY - Stealth Cam Fusion X Wireless Trail Camera takes the guesswork out of cellular activation and will have you transmitting images in a matter of minutes with their quick scan QR setup; Fusion offers affordable options for every budget & need
- ADJUSTABLE SETTINGS - Photo Resolutions vary between 26MP / 16MP / 8MP / 4MP and Video Resolutions are 720P / 1080P so you can choose and adjust to your preference; Upload Resolutions: Low 640×360 / High 1025×576
- HIGH PERFORMANCE - A quick trigger speed of 0.4 seconds ensures any animal movement is captured within its 80ft range; Burst Mode is 1-6 images per triggering; This trail cam also features 4pcs 850nm LED Flash and PIR Combo Mode
- SPECIFICATIONS - The Fusion X trail camera for hunting supports SD memory cards up to 32 GB (sold separately) and operates on 8AA batteries (not included); It also incorporates an Integrated Python Lock Latch and an external power jack; Available on AT&T & Verizon
- STEALTH CAM COMMAND PRO APP - The Fusion X trail cam is powered by the COMMAND Pro App that enables you to view and share your images remotely from any app-enabled mobile device or on the web; It offers complete control and customization of your wireless trail camera settings
Rank No. #19
2 Pieces DC 12V 24V 36V 48V 72V Battery Meter with Alarm, Front Setting and Switch Key, Battery Capacity Voltage Indicator Battery Gauge Monitors Lithium ion Battery Indicator (Green)
- Efficient setting key: the multifunctional battery capacity indicator has a new design of the front setting button, and have several functions: cycle voltmeter/battery percentage, turn on the backlight, black, sleep mode, battery type selection etc.
- Humanized designs: the battery capacity voltage indicators are designed with switched function button, you can press to check the battery capacity or real-time voltage and turn off, with alarm design, the battery meter display will flash when the battery capacity is low
- Fit different battery: the battery gauge indicators are compatible with 12V/ 24V/ 36V/ 48V/ 60V/ 72V/ 84V acid battery, ternary lithium battery, polymer lithium-ion battery, 3 -15 series lithium ion battery, storage battery, water battery and more
- LCD display: the battery capacity gauge indicators come with PVC waterproof screen protector with bright back-light, which makes you can read the results on the clear LCG display from different angles, low working power consumption and the max is 5 mA
- Suitable for: the battery meters with alarms can be applied to different machines and places such as garden, home, office and more, can serve you for a long time, meeting your different needs and practical battery indicators will give you nice experience
Rank No. #20
AiLi Voltmeter Ammeter Voltage Current Meter Voltmeter Ammeter 100V 350A Caravan RV Motorhome 999 AH
- Read your battery bank like a fuel gauge, battery status at a glance.
- Combines many functions in one, these information leads to more efficient use of the battery, which can enhance battery life and reduce the risk of failure.
- State of Charge (%),The remaining battery capacity ( up to 999AH). Charge and discharge current (A), Voltage (V).
- Data storage - designed to automatically store the last testing data when system shuts off
- Universal Battery Monitor- voltage range 8V-100V and up to 350A
Last update on 2023-08-05 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
How Do You Buy The Best Gsm Battery Monitor?
Do you get stressed out thinking about shopping for a great Gsm Battery Monitor? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching Gsm Battery Monitor, which is why we have assembled a comprehensive list of the greatest Gsm Battery Monitor available in the current market. We’ve also come up with a list of questions that you probably have yourself.
Romance University has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Gsm Battery Monitor that you consider buying. Your questions might include the following:
- Is it worth buying an Gsm Battery Monitor?
- What benefits are there with buying an Gsm Battery Monitor?
- What factors deserve consideration when shopping for an effective Gsm Battery Monitor?
- Why is it crucial to invest in any Gsm Battery Monitor, much less the best one?
- Which Gsm Battery Monitor are good in the current market?
- Where can you find information like this about Gsm Battery Monitor?
We’re convinced that you likely have far more questions than just these regarding Gsm Battery Monitor, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.
Potential sources can include buying guides for Gsm Battery Monitor, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Gsm Battery Monitor. Make sure that you are only using trustworthy and credible websites and sources.
Romance University provides an Gsm Battery Monitor buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Gsm Battery Monitor currently available on the market.
This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:
- Brand Value: Every brand of Gsm Battery Monitor has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
- Features: What bells and whistles matter for an Gsm Battery Monitor?
- Specifications: How powerful they are can be measured.
- Product Value: This simply is how much bang for the buck you get from your Gsm Battery Monitor.
- Customer Ratings: Number ratings grade Gsm Battery Monitor objectively.
- Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Gsm Battery Monitor.
- Product Quality: You don’t always get what you pay for with an Gsm Battery Monitor, sometimes less, and sometimes more.
- Product Reliability: How sturdy and durable an Gsm Battery Monitor is should be an indication of how long it will work out for you.
Romance University always remembers that maintaining Gsm Battery Monitor information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.
If you think that anything we present here regarding Gsm Battery Monitor is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.
FAQ:
Q: What can I do with a GSAM battery monitor?
A: GSam Battery Monitor lets you easily see the state of your battery and time-left estimates as well as view a detailed display of each item using your battery. Access lists showing app usage and sort by CPU usage, sensor usage, wake locks, and other settings.
Q: Is there a GSAM battery monitor for Kindle Fire?
A: For additional capabilities including optimizations specifically for the Kindle Fire, consider purchasing GSam Battery Monitor (Kindle Tablet Edition). How are ratings calculated? To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average.
Q: How can I tell if an app is draining my battery?
A: “As long as you’re hunting for bad apps, you might want to install GSam Battery Monitor, which can tell you whether any individual apps are a source of battery drain on your Android phone.” Time Techland – Retake Control of Your Phone
Q: How can I find out how much battery my phone is using?
A: If you want more detailed information, select “App Sucker” from the menu and the list of apps and their battery usage percentage will be displayed. You can also select “Charts” for a graphical display of your battery history and temperature or app usage. This is a great free app that provides exactly what it promises.