Galaxy Battery

Lightweight
Lithium-ion Battery

Learn about the Lithium-ion (Li-ion) battery,
which is high energy density, long-lasting and safe.

Batteries are consumables, and their lifespans are affected by their usage patterns and environments.
If you find yourself charging your phone too often, and your battery life has noticeably diminished, visit your local Samsung Support Center for advice.

Battery Decline

Normally, signs of battery decline include drastic decreases in battery life and unexpected shutdowns.
Learn about unexpected device shutdowns.

- Electrochemical Decline of the Battery

These events occur after repetitive battery use, resulting in electrochemical efficiency.
High levels of decline could cause voltage drops, resulting in device shutdown to preserve the device's electrical components.

- Temporal Shutdown due to Usage Environment

An extremely cold environment may cause a greater drop in voltage.
In this case, the device might shut down temporarily to preserve its components.

Signs of Battery Decline

As battery efficiency decreases, the battery may noticeably deplete or shut down,
even if the screen displays plenty of battery power remaining.
If you are having issues with a declining or inefficient battery, visit your nearest service center.

Snowflake icon Snowflake icon

This can occur in cold winter temperatures, and the frequency may increase depending on the level of deterioration.

Video game icon Video game icon

With high-performance apps like gaming and camera apps, you may experience a drop in performance and slow response time.

When to Seek a Battery Check-up

If you are frequently experiencing unexpected shutdowns, noticeable decreases in battery life, or any other battery-related issues, visit the nearest service center to have your device checked.
We may notify you through a device pop-up message, that your battery requires a check-up.

View of Device Care advice about Battery deterioration/reduction in performance. View of Device Care advice about Battery deterioration/reduction in performance.

1. Click on the notification in your ‘Status bar’.

View of Battery deterioration/reduction in performance note. View of Battery deterioration/reduction in performance note.

2. Check the information on your battery’s status.

Easy-to-use Battery Self-Diagnosis

Check Samsung Galaxy Phone Battery Health

Is your device slowing down? Try using Phone Care which is available in the Samsung Members App.
You can check your battery status and optimize its usage in seconds.

View of Samsung Members App with Support icon highlighted. View of Samsung Members App with Support icon highlighted.

1. Open Samsung Members App and tap "Support" on the bottom.

View of Galaxy S23 Diagnostics with Phone Diagnostics highlighted. View of Galaxy S23 Diagnostics with Phone Diagnostics highlighted.

2. Check your battery status through "Phone diagnostics".

View of Diagnostics with Test all button highlighted. View of Diagnostics with Test all button highlighted.

3. Tap "Test all".

Check Samsung Galaxy Watch Battery Health

Utilize the new Galaxy diagnostics feature to test the performance and check the battery health of your Galaxy Watch.


※ Self-diagnosis is supported on Watch 4, Watch 5 series and later models.

View of Samsung Members App with Support icon highlighted. View of Samsung Members App with Support icon highlighted.

1. Open Samsung Members App and tap "Support" on the bottom.

View of connected devices with Galaxy watch highlighted. View of connected devices with Galaxy watch highlighted.

2. Tap “Connected device diagnostics”.

View of Battery status icon highlighted in diagnostics options. View of Battery status icon highlighted in diagnostics options.

3. From diagnostic options choose “Battery status option”.

※ Wearable device self-diagnosis (connected device diagnosis menu) is displayed in the Samsung Members app only when the Galaxy mobile device and the wearable device are connected, and the Galaxy Wearable app, Members app, and device software are all up to date.

Safer and
More Convenient

Durability Test, Visual Inspection, X-Ray, Charge and Discharge Test, TVOC Test, Disassembling Test, Accelerated Usage Test, OCV Test Durability Test, Visual Inspection, X-Ray, Charge and Discharge Test, TVOC Test, Disassembling Test, Accelerated Usage Test, OCV Test

Multi-level Safety Design

In order to prioritize customer safety and convenience, Samsung has implemented a multi-level safety check during device production.
Multiple tests are performed to accommodate not only the battery design but also impact mitigation for dropped devices.
Both design safety and software protection algorithms are crucial factors in production.

※ Test type and scope may vary depending on the product.

Thorough Quality Assurance

Samsung Galaxy complies with international safety standards in order to provide safe and high-quality batteries.
We provide batteries that have gone through internal verifications and quality tests by trusted third-party CAs.

※ Additional certificate outside of the global requirements may vary by country/product.

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