Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

Start in Settings > Battery (or the closest Battery screen on your Galaxy) and check the battery graph and app-level usage. Look for an app using an unusual amount of power or continuing to run in the background. The timing of a drain after an update does not, by itself, prove the update caused it.

1. Check the battery graph and app usage

Open Settings > Battery and inspect the graph alongside the list of apps using battery. On some Galaxy models or software versions, the relevant screen may be under Device care; menu names and locations vary. Follow the closest matching Battery or Device care screen on your phone. Samsung’s battery-drain guidance recommends reviewing detailed usage to identify apps consuming excessive power.

Note when the loss occurs: while the phone is idle, while using a particular app, or in a place with weak or unstable signal. Samsung lists unstable network conditions as one possible contributor to battery use. If one app stands out, check whether it has an update available in its official app store, review its background activity, or uninstall it if you no longer need it.

2. Review recent app activity and limit background use

Consider apps installed or updated around the time the drain began. If an app is rarely used, Samsung’s Sleeping or Deep sleeping options can restrict its background activity. Samsung says Deep sleeping apps do not run in the background and work only when opened manually. That can also delay background syncing or notifications, so avoid this setting for apps where timely updates matter.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.
#1 Best Overall
SHENMZ Galaxy S5 Battery, [Upgraded] 5200mAh Li-ion EB-BG900BBU Replacement Battery for Samsung Galaxy S5 AT&T G900A, G900F, G900H, G900R4, I9600, SM-G900V, SM-G900P, SM-G900T
  • ❤【HIGH QUALITY,TRUSTWORTHY PREMIUM BATTERY】:This Upgraded S5 battery uses Grade A+ rated battery cells with CE and ROHS certification,ensure last over 1000+ charge cycles. Multiple-protection for safer operation for both user and devices,build-in microchip to prevent over-charging,over-discharging and over-heating.
  • ❤【COMPATIBLE MODELS】:Suitable for all Galaxy S5 variants:SM-G900F,SM-G900H ( Unlocked ),SM-G900A (AT&T),SM-G900TR(MetroPCS),SM-G900P(Sprint),SM-G900T(T-Mobile), SM-G900R( U.S. Cellular ), and SM-G900V( Verizon ).
  • ❤【LONG-LASTING REPLACEMENT BATTERY】:Bring your Samsung S5's battery life back to glory and save the money of an upgrade; get from 0% to 100% power in a matter of seconds by simply swapping batteries,Matches the 48 hour standby endurance of a fully functional new OEM battery.
  • ❤【HOW TO USE】:Using up all the power of battery for the first three times before charging,and then take a full charge,thus the battery can be reached the optimum effect of using.Please remember that its full performance and longevity is only achieved after 3 to 5 complete charge and discharge cycles.
  • ❤【GREAT SERVICE GUARANTEE】: Your satisfaction is always our business goal. If you have any questions about our products, please contact our friendly customer service through the "Contact Seller" feature, we will reach out to you within 24 hours, solve your problem quickly and efficiently.

3. Try reversible battery-saving steps

Restart the phone

If you have not restarted the Galaxy since the update, restart it and then check the battery graph and app usage again. Treat this as a troubleshooting step, not a guaranteed fix for update-related drain.

Run Device care optimization

On models with this option, open Device care > Optimize now. This is a low-risk housekeeping step; it may reduce unnecessary activity, but it does not identify the cause on its own.

Rank #2
HamnaKhu Galaxy J3 Battery,3800mAh Replacement Battery for Samsung Galaxy Grand Prime G530 Galaxy J3 J320V/A/F/P J327A/P J3 Emerge,Galaxy J5 SM-G550F On5 EB-BG530BBC EB-BG530BBE
  • Compatible Models:►Compatible with Samsung Galaxy J3 (model:variants: J3 Prime/ Grand Prime/ J3 Emerge/ J3 Eclipse/ J3 Mission/ J3 Luna Pro/ J3 Star/ J3 Achieve/ J3 V/ J3 Orbit/ Express Prime/ Amp Prime/ Galaxy On5/EB-BG530CBU EB-BG530BBC EB-BG530BBU EB-BG530BBE EB-BG530BBZ/ J320A/ J320V/ J320F/ J320P/ J327A /J327P / J337A/J337T SM-G530/ G530T/ G530H/ G530R/ G530AZ/ G550T/ G550T1/ G550F/ Galaxy J5 etc.) only,Please Check the model number on the back of your phone.
  • Quality certification:►This Product has CE and ROHS certification.Each battery is manufactured and tested under strict quality control standards.The built-in intelligent microchip can protect your Mobile Phone from the effects of short circuits, overvoltage, overcurrent, overcharging, and high temperature.
  • Battery Specifications:►Battery Part No.: EB-BG530BBE.Capacity:3800mAh.Voltage:3.8V.This Replacement Battery has the same size and performance as the original battery.
  • Important Attention :►Our EB-BG530BBE battery may be sent out with little power or no power. If the phone cannot turn on, please make sure it is fully charged first. It is recommended to fully drain and fully charge the EB-BG530BBE battery, especially during the first 3 charging and discharging cycles. Doing so may greatly improve the overall life of the EB-BG530BBE battery.
  • High-quality after-sales:►Customer satisfaction is our important task.If you have questions about our products or are not satisfied with the products, please through the "Contact Seller" function to contact our friendly customer service, We will contact you within 24 hours to solve your problem quickly!You can buy our products with confidence without worrying about after-sales problems.

Test Power saving mode

Turn on Power saving mode temporarily to see whether restricting background data for unused apps and disabling high-power features such as Always On Display improves runtime. Background restrictions can affect syncing and notifications. A better result while the mode is enabled shows that limiting activity helps, but does not establish which app or feature was responsible.

4. Check battery status in Samsung Members

Where available, open Samsung Members > Support > Phone diagnostics and run the battery check. Samsung describes Phone Diagnostics as a self-diagnosis option; its availability and menu route can vary by device and software. For further details, see Samsung’s battery-condition guidance.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.
Rank #3
HamnaKhu Galaxy S5 Battery,High Capacity Battery Replacement for Samsung Galaxy S5 AT&T EB-BG900BBU G900A,G900F,G900H,G900R4,I9600,SM-G900V,SM-G900P,SM-G900T
  • ✾Compatible Models: This Battery Suitable for all Galaxy S5 variants.Compatible with SM-G900 Series, SM-G900A, SM-G900P, SM-G900V, SM-G900T, SM-G900F, SM-G900H, SM-G900R4, SM-G900TR, SM-G900W8, SM-G900BVB, i9600, EB-BG900BBC EB-BG900BBU EB-BG900BBE/ for Samsung Galaxy S5 Active SM-G870.
  • ✾High Quality Battery: Our Galaxy S5 replacement battery uses an advanced high-quality A+ battery, which extends the life of the battery and provides you with high-speed and high-efficiency charging over 1000 charging cycles. Equipped with a smart chip to provide your mobile phone with multiple protections against overcharge, overheating, and short circuit.
  • ✾Quality certification: Each battery has been tested by strict quality control standards and passed CE and ROHS certification. The quality is safe and reliable, and you can use it with confidence.
  • ✾Best performance: Before charging, use up the power in the battery until the phone is turned off, and then fully charge it. Repeat 3-5 complete charging and discharging to achieve the best use and performance of the battery.
  • ✾Worry-free warranty: If you have any questions about our products, please contact us as soon as possible through the "Contact Seller" function, and we will contact you within 24 hours to solve the problem for you!

5. Know what post-update timing does—and does not—tell you

Samsung says battery use may temporarily rise while apps and services are being optimized during initial setup, and its Ireland support guidance says usage will normalize once that optimization is complete. That explanation concerns initial setup. It does not establish a universal settling period after software updates, show that an update caused a particular phone’s drain, or identify one firmware problem shared by Galaxy models.

Samsung’s general guidance identifies several possible contributors, including apps with excessive consumption and unstable network conditions. Without your exact model, One UI version, update build, region, and battery age, there is no single menu route or guaranteed fix that applies to every Galaxy.

Rank #4
Sale
5200mah Battery for Galaxy S5, (Upgraded) EB-BG900BBC Replacement Battery Li-ion for Samsung Galaxy S5 G900V, G900A, G900F, G900H, I9600, G900P, G900T, G900R4, S5 Spare Battery
  • 【HIGH CAPACITY BATTERY】The advanced technology makes Galaxy s5 battery to high capacity with the same size. It will provide you over 800 charging cycles with high-speed and efficient charging. Up to 48 hours of Long lasting time, bring your Galaxy S5 battery's life back to glory and save the money of an upgrade
  • UPGRADED GRADE A+ BATTERY】Our for Samsung Galaxy S5 Battery has CE and Rohs certification, uses Grade A+ rated battery cells. Every battery is manufactured and tested unde
  • 【COMPATIBLE MODELS】Compatible with all major wireless Carriers for the Samsung Galaxy S5: SM-G900F, SM-G900H ( Unlocked ), SM-G900TR ( MetroPCS ), SM-G900P ( Sprint ), SM-G900T ( T-Mobile ), SM-G900R( U.S. Cellular ), and SM-G900V ( Verizon ),SM-S903VL (Straight Talk/TracFone/Net10), Samsung Galaxy S5 Active SM-G870 (AT&T) / Galaxy S5 Sport SM-G860 (Sprint) Phone
  • 【FOR BEST PERFORMANCE】Use your original charger and cable which came with your phone to recharge this replacement battery. Using up all the power of battery for the first three times before charging, and then take a full charge,thus the battery can be reached the optimum effect of using. Please remember that its full performance and longevity is only achieved after 3 to 5 complete charge and discharge cycles
  • 【KIND REMINDER】If you are not satisfied with our product, please contact our friendly customer service through the "Contact Seller" feature, and we will reach out to you within 24 hours to solve your problem quickly and efficiently! So you can purchase our products without any risk
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Support on Ko-Fi

6. When to contact Samsung or a service provider

Seek service advice if rapid battery loss continues after the app and background checks, the phone repeatedly shuts down unexpectedly, or it becomes unusually hot. Battery capacity naturally declines with repeated use, and noticeable loss of runtime or recurring shutdowns can warrant an evaluation; drain that began after an update alone is not a reason to assume the battery needs replacement. Samsung’s battery repair and replacement information explains that service eligibility depends on warranty conditions. Contact Samsung support or a local service provider to confirm available options for your region.

Best Value
Replacement Battery for Galaxy Watch 5 (40mm), EB-BR900ABY Battery Compatible with Samsung Watch 5 (40mm) SM-R900 SM-R905, with Repair Tools & Instruction
  • Compatible Smartwatch Model: This battery kit is specifically designed for Samsung Galaxy Watch 5 40mm (with model SM-R900 SM-R905 series), please double confirm your smartwatch model before purchasing
  • Quality Li-Po Cell: Built with brand new zero cycle original Li-Po cell, manufactured and tested under UL2054 test standards to ensure the best performance and long-lasting battery life. NOTE: A new battery requires at least three full charge and discharge cycles to properly calibrate the battery management system
  • Detailed Repair Guide: The package includes a complete and detailed repair guide, allowing you to easily handle the repair yourself with convenience and peace of mind
  • Professional Repair Toolkit: Carefully selected by our expert repair team, this kit includes every tool you need for the repair process. It's professional, safe, and easy to use, giving you the confidence to complete your repair quickly and efficiently
  • Extra Protection: Each smartwatch battery is packaged in a custom hard plastic case with anti-static foam inside, providing effective protection against bumps and pressure during shipping, ensuring your item arrives safely

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.