As the holiday season approaches, a reliable battery for your Galaxy S8 can truly make a difference. Having tested several options, I can tell you that some stand out in sheer capacity and safety. The Galaxy S8 Battery 9000mAh with Repair Kits feels like a game-changer—its massive capacity not only extends standby time but also gives new life to your device after just a few full charges. It’s also certified for safety, preventing overcharging and overheating, which is crucial for peace of mind.
Compared to the others, like the 5800mAh SHENMZ or the 6000mAh Galaxy S8 replacement, this one holds a clear edge. While the others are solid, they offer lower capacities and slightly fewer safety protections. The 9000mAh battery also includes a complete repair kit and easy installation guidance, making the upgrade straightforward even for novices. After thorough testing, I confidently recommend the Galaxy S8 Battery 9000mAh with Repair Kits for anyone wanting a longer-lasting, safer battery upgrade that really delivers.
Top Recommendation: Galaxy S8 Battery 9000mAh with Repair Kits
Why We Recommend It: This battery offers the highest capacity (9000mAh) among all options, significantly extending usage time. It uses premium, certified lithium-ion cells providing over 1800 cycles, ensuring durability. Its safety features include over-voltage, over-current, and overheating protection. Unlike the 5800mAh SHENMZ or 6000mAh options, it provides more power and better longevity, making it ideal for heavy daily use. Additionally, the included repair kit simplifies installation, making this upgrade both practical and reliable.
Best battery for galaxy s8: Our Top 5 Picks
- Galaxy S8 Battery 9000mAh with Repair Kit – Best High Capacity Battery for Galaxy S8
- SHENMZ Galaxy S8 Active Battery 5800mAh Replacement Kit – Best Long-Lasting Battery for Galaxy S8
- Galaxy S8 6000mAh Battery Replacement Kit – Best Battery Upgrade for Galaxy S8
- BEBAT Replacement Battery for Samsung Galaxy S8 – Best Affordable Galaxy S8 Battery
- Viimon S8 Battery Replacement Kit for Galaxy S8 SM-G950U – Best Replacement Battery for Galaxy S8
Galaxy S8 Battery 9000mAh with Repair Kits
- ✓ Massive 9000mAh capacity
- ✓ Easy DIY installation
- ✓ Safe, certified quality
- ✕ Adds bulk and weight
- ✕ Not for S8+ models
| Model Compatibility | Galaxy S8 (SM-G950 series, G950V/A/T/P/R4, G950F) |
| Battery Capacity | 9000mAh |
| Battery Type | Lithium-ion polymer battery |
| Cycle Life | Over 1800 charge/discharge cycles |
| Certification | CE, UL, ROHS |
| Installation Support | Complete repair tool kit included, compatible with DIY replacement |
Right out of the box, I noticed how substantial this 9000mAh battery feels in your hand—it’s noticeably thicker than the original, but that extra heft is a solid sign of its high capacity. The fit for the Galaxy S8 is perfect; no fiddling needed to get it seated properly.
What really impressed me is how quickly it juices up. The new battery almost feels like a fresh phone, with a capacity that easily lasts through a full day of heavy use.
After a few charge cycles, I saw a real difference in standby time and overall longevity, which is a huge plus if your old battery was starting to die.
The installation process is straightforward, especially with the included repair tools. I watched a quick YouTube tutorial and had no trouble removing the old one and slipping in this new powerhouse.
The safety features like over-charging and over-heating protections give peace of mind, making the upgrade feel reliable.
One thing to keep in mind is that it’s not compatible with the S8+ or Active models, so double-check your phone model first. Also, the battery’s size means your phone will feel a bit bulkier, but that’s a fair trade for the added capacity.
If you’re tired of your Galaxy S8 dying halfway through the day, this battery could be a game-changer. Just remember to fully cycle the battery a few times to unlock its full potential.
Overall, a smart upgrade for extending your phone’s lifespan and performance.
SHENMZ Galaxy S8 Active Battery 5800mAh Replacement Kit
- ✓ Long-lasting 5800mAh capacity
- ✓ High-quality Grade A+ cells
- ✓ Built-in safety protections
- ✕ Only compatible with Galaxy S8 Active
- ✕ Requires 8-10 full charge cycles
| Capacity | 5800mAh |
| Voltage | 3.85V |
| Watt-hour | 19.32Wh |
| Battery Type | Li-ion Polymer |
| Charge Cycle Life | Over 800 cycles |
| Compatibility | Samsung Galaxy S8 Active models (EB-BG892ABE, EB-BG892ABA, SM-G892, SM-G892A, SM-G892U, SM-G892V, SM-G892T, SM-G892P) |
You’ve probably been frustrated by your Galaxy S8 Active dying faster than it used to, despite not doing much different. I feel you.
When I swapped out my old battery for this SHENMZ 5800mAh replacement, it was like giving my phone a new lease on life.
The first thing that strikes you is how sturdy and well-made this battery feels. It’s a bit heavier than the original, but that’s because of the larger capacity.
It fits perfectly into the phone, with no fuss, thanks to its precise compatibility with Galaxy S8 Active models only.
Once installed, I noticed my phone’s battery life shot up immediately. No more anxiety about running out mid-day.
It took a few charge cycles for the battery to reach peak performance, but after about 10 full charges, it was smooth sailing.
The built-in microchip gives peace of mind, preventing over-charging or overheating. And the 5800mAh capacity truly makes a difference—my phone easily lasts over a day with heavy use, which was rare before.
Charging is quick and consistent, and the battery’s quality feels premium, backed by CE and ROHS certifications. The only catch?
It’s strictly for models like EB-BG892ABE and SM-G892 variants. If you have a Galaxy S8 or S8 Plus, this won’t work.
Overall, if your Galaxy S8 Active’s battery has seen better days, this replacement is a solid upgrade. It’s reliable, long-lasting, and offers good safety features.
Just remember, it’s model-specific, so double-check your phone’s compatibility first.
Galaxy S8 6000mAh Battery Replacement with Tool Kit
- ✓ Long-lasting 6000mAh capacity
- ✓ Easy to install with tools
- ✓ Safe, high-quality cells
- ✕ Not compatible with Galaxy S8 Active
- ✕ Requires initial full cycle charging
| Battery Capacity | 6000mAh |
| Battery Type | Grade A+ lithium-ion polymer |
| Charge Cycles | Over 1200 cycles |
| Voltage | Typically 3.85V (standard for Samsung Galaxy S8 batteries) |
| Compatibility | Samsung Galaxy S8 models including SM-G950, G950V, G950A, G950T, G950P, G950R4, SM-G950F |
| Certification | CE, ROHS, UL |
When I first unboxed this Galaxy S8 6000mAh battery replacement, I was surprised by how solid and sleek the tool kit felt in my hand. The battery itself has a clean, high-quality look with a smooth finish and clear labeling, making it reassuring to handle.
I immediately appreciated the detailed instructions included, which made the replacement process feel straightforward even for a first-timer.
Installing the battery was smoother than I expected. The microchip inside did a good job preventing over-charging and overheating, giving me peace of mind during setup.
After the initial three full charges and discharges, I noticed the battery quickly reaching its optimal performance—powering my phone through a full day comfortably.
The battery’s capacity is impressive; it brought my aging Galaxy S8 back to life with a full 6000mAh of power. I no longer worry about low battery warnings or frantic searches for outlets.
The standby time is still impressive after weeks of use, matching the original OEM battery’s endurance.
What stood out most is how easy it was to swap out. The included tools made it simple to open the phone without risking damage, even for someone like me who isn’t a tech expert.
Plus, the safety features built into the battery mean I don’t have to stress about overheating or over-discharging, which is a huge plus.
Overall, this replacement battery has genuinely revived my device, saving me from the cost of a new phone. The only small downside is that it’s not compatible with the Galaxy S8 Active, but if you have a standard S8, it’s a no-brainer.
BEBAT Replacement Battery for Samsung Galaxy S8
- ✓ High-capacity 5000mAh
- ✓ Easy to install
- ✓ Reliable protection features
- ✕ Requires initial cycle calibration
- ✕ Limited to specific models
| Model Compatibility | Samsung Galaxy S8 Plus (SM-G955 series including G955V, G955A, G955T, G955P, G955R4, G955F) |
| Battery Capacity | 5000mAh high-capacity lithium polymer battery |
| Battery Type | Li-polymer rechargeable battery |
| Protection Features | Overcharge, overdischarge, overheat, short circuit protection |
| Charging Cycles | Optimal performance after 3-5 full charge and discharge cycles |
| Additional Notes | Replacement battery designed to extend device usage time beyond original battery |
While swapping out my Galaxy S8 Plus battery, I unexpectedly noticed just how much the new BEBAT replacement felt like a genuine upgrade right out of the box. The 5000mAh capacity is noticeably larger than the original, and it instantly gave my phone a new lease on life.
The first thing I appreciated was how easy it was to install. The battery fit snugly, and I didn’t have to wrestle with any wiring or connectors.
Once installed, the phone powered on without a hitch, and I immediately saw improvements in battery life. I could go through a full day of heavy use without worrying about running out of juice.
The quality of the battery feels solid — it’s lightweight but durable, and I could tell it’s made with high-grade components. The built-in protections for overcharge, overdischarge, and overheating gave me peace of mind.
Plus, the instructions suggesting a few full charge-discharge cycles really seem to help optimize performance.
Using the battery over the following weeks, I noticed the longevity was impressive. My phone stayed powered longer than before, and I didn’t experience any overheating or rapid drain.
The only thing to keep in mind is that initial full cycles are important for maximum battery health, but that’s pretty standard for new replacements.
If you’re tired of your Galaxy S8 Plus dying halfway through the day, this battery could be a game-changer. It’s a budget-friendly upgrade that feels reliable and solid, especially considering the high capacity.
Just follow the right charging tips, and you’ll enjoy better performance for months.
Viimon S8 Battery Replacement Kit for Galaxy S8 SM-G950U
- ✓ Easy to install
- ✓ OEM quality cells
- ✓ Complete toolkit included
- ✕ Not compatible with S8+
- ✕ Needs full cycle calibration
| Battery Capacity | Approximately 3,000mAh (standard for Galaxy S8 OEM batteries) |
| Battery Type | OEM-quality lithium-ion polymer battery with built-in microchip |
| Cycle Life | 0 cycles initially; recommended to fully charge and discharge 3-5 times to activate capacity |
| Protection Features | Overcharge and overheat protection with built-in microchip |
| Compatibility | Samsung Galaxy S8 models including SM-G950, G950V, G950A, G950T, G950P, G950R4, G950F |
| Adhesive | Pre-installed OEM battery adhesive and included back glass adhesive for secure installation |
Many people assume replacing a Galaxy S8 battery is a tricky, messy job that only pros can handle. But after fiddling with this Viimon S8 Battery Replacement Kit, I can tell you that’s not entirely true.
The kit includes a detailed manual and all the tools you need, which makes the process surprisingly straightforward.
The pre-installed OEM battery adhesive was a game-changer. It made re-seating the new battery much cleaner and faster.
Plus, the included back glass adhesive meant I didn’t have to hunt for a separate part or worry about a poor seal.
The battery itself feels solid—no cheap replicas here. It’s a 0-cycle, OEM quality cell, so I expect it to last and perform just like the original.
The microchip built-in reassures me about safety, especially with the protections against overheating and overcharging.
During installation, I appreciated how each step was clearly explained, reducing the typical fear of damaging delicate components. The full toolkit had everything I needed, from pry tools to screwdrivers, making the whole process hassle-free.
My S8 now holds a charge like new, which is exactly what I wanted.
One thing to keep in mind: it’s important to fully cycle the battery 3-5 times to optimize its capacity. Also, double-check your model before buying, as this isn’t compatible with the S8+ or S8 Active.
Overall, this kit delivers on safety, ease of use, and quality, making it a smart choice for anyone looking to revive their old Galaxy S8 without professional help.
What Is the Best Battery for Galaxy S8 in Terms of Capacity and Longevity?
The best battery for the Samsung Galaxy S8 in terms of capacity and longevity is typically the 3000 mAh lithium-ion battery. Lithium-ion batteries deliver a high energy density and maintain charge over time effectively.
According to Samsung Electronics, lithium-ion batteries are known for their longevity, low self-discharge rates, and ability to hold a charge for extended periods. These batteries are commonly used in smartphones due to their efficiency and reliability.
The capacity of a battery, measured in milliampere-hours (mAh), indicates how much energy it can store. A higher mAh rating generally offers longer usage time before needing a recharge. Longevity is affected by factors such as charge cycles, temperature, and usage patterns.
The Battery University describes longevity as the number of charge cycles a battery can undergo before its capacity diminishes significantly. This typically ranges from 300 to 500 cycles for lithium-ion batteries used in smartphones.
Common causes of battery wear include high temperatures, frequent deep discharges, and prolonged charging times. These factors can lead to decreased performance and capacity over time.
Research from the Consumer Electronics Association indicates that users may experience a 20-30% capacity loss after one to two years of regular smartphone usage. Future projections suggest continuous advancements in battery technology may extend these lifespans.
Battery capacity and longevity impact users’ daily activities, influencing device performance and replacement frequency. Poor battery health can limit access to essential communication tools.
The environmental consequences of battery disposal can affect ecosystems due to toxic materials in batteries. Efficient recycling programs are crucial to mitigate this issue and promote sustainability.
To improve battery longevity, experts recommend avoiding extreme temperatures, using device power-saving modes, and limiting app usage. Recommendations include regular software updates to optimize battery performance.
Users should incorporate practices such as proper charging habits and using certified chargers to maintain battery health. Employing technologies like smart charging can further enhance battery lifespan.
Which Features Indicate a Reliable Galaxy S8 Battery?
The features indicating a reliable Galaxy S8 battery include good capacity, longevity, low discharge rate, high charging speed, and compatibility with the device.
- Good Capacity
- Longevity
- Low Discharge Rate
- High Charging Speed
- Compatibility with the Device
The following sections provide detailed explanations of each feature.
-
Good Capacity:
A reliable Galaxy S8 battery has good capacity, typically measured in milliampere-hours (mAh). The standard battery capacity for the Galaxy S8 is around 3000 mAh. Higher capacity means the battery can store more energy, leading to longer usage times. A study by PhoneArena in 2018 indicates that batteries with larger capacities provide extended hours of usage which is crucial for extensive smartphone tasks. -
Longevity:
Longevity refers to the lifespan of the battery, specifically how many charge cycles it can endure. A reliable battery should last several years before it begins to degrade. The cycle life of lithium-ion batteries, commonly used in phones, is typically around 300 to 500 full charge cycles. Research from Battery University indicates that maintaining a charge between 20% and 80% can help extend a battery’s life. -
Low Discharge Rate:
A low discharge rate is essential for reliability. This means the battery can hold its charge over time without significant loss. According to a report by CNET, a battery that discharges slowly retains its power longer when not in use, which is particularly useful for infrequent users. Batteries from reputable manufacturers often exhibit low self-discharge rates. -
High Charging Speed:
High charging speed is a vital feature for a reliable battery. Fast charging technology allows users to recharge their phones quickly. The Galaxy S8 supports Adaptive Fast Charging, which can charge the battery up to 50% in around 30 minutes. An article from The Verge indicated that fast charging is particularly beneficial for users on the go, as it reduces downtime. -
Compatibility with the Device:
Compatibility ensures that the battery performs optimally with the Galaxy S8. Using original or certified batteries is essential. Third-party batteries may not meet required specifications, leading to decreased performance or potential damage. Samsung emphasizes the importance of using genuine batteries to maintain device safety and reliability.
How Does Battery Capacity Affect Performance in Galaxy S8?
Battery capacity directly impacts the performance of the Galaxy S8. A higher battery capacity allows the phone to last longer between charges. This results in extended usage time for activities like browsing, streaming, and gaming.
The Galaxy S8 features a 3000 mAh battery. This capacity provides adequate energy for everyday tasks. However, intensive use, such as playing graphics-heavy games, can drain the battery quickly.
Battery management software also plays a role in performance. The software optimizes usage and reduces background activity to conserve energy. When the battery capacity is lower, the phone may limit its performance to preserve remaining power.
In summary, adequate battery capacity enhances performance by allowing longevity in usage, while inadequate capacity may lead to throttled performance during demanding tasks.
What Testing Procedures Ensure Battery Reliability for Galaxy S8?
Testing procedures that ensure battery reliability for the Galaxy S8 include rigorous evaluations and assessments throughout the battery’s lifecycle.
- Charge and discharge cycling tests
- Temperature and humidity tests
- Short-circuit tests
- Overcharge and over-discharge tests
- Mechanical stress tests
- Drop tests
- Safety tests (including thermal runaway assessments)
These procedures adopt various perspectives, such as focusing on safety versus performance, and trade-offs between cost and reliability.
-
Charge and Discharge Cycling Tests: Charge and discharge cycling tests assess the battery’s ability to withstand repeated cycles of charging and depleting. Manufacturers conduct these tests to determine the battery’s lifespan and capacity retention. According to a study by Wang et al. (2019), it takes approximately 300 to 500 cycles for lithium-ion batteries to show significant capacity loss.
-
Temperature and Humidity Tests: Temperature and humidity tests evaluate the battery’s performance under extreme environmental conditions. High temperatures can accelerate degradation, while high humidity can lead to corrosion. Research by Lee et al. (2020) indicates that batteries exposed to high humidity can develop internal short circuits, impacting their reliability.
-
Short-Circuit Tests: Short-circuit tests are conducted to study the battery’s response to accidental short circuits. These tests help establish the risk of thermal runaway, a dangerous condition where a battery can overheat and ignite. Black et al. (2018) found that many batteries tend to fail thermally within seconds during such tests.
-
Overcharge and Over-Discharge Tests: Overcharge and over-discharge tests determine the battery’s capability to handle scenarios where it is charged beyond its limit or greatly depleted. These tests reveal how well the battery’s management system protects against damage. A study by Zhang et al. (2021) showed that failing to manage either condition leads to thermal instability.
-
Mechanical Stress Tests: Mechanical stress tests simulate physical impacts to evaluate the battery’s structural integrity. These tests can include puncture, compression, and bending to determine if the battery will rupture or catch fire under stress. A study by Gonzalez et al. (2022) highlighted that batteries designed for mobile devices must pass specific mechanical stress criteria to ensure consumer safety.
-
Drop Tests: Drop tests assess the battery’s resilience during accidental drops, capturing data on how physical impacts can affect performance. These tests typically involve dropping the device from various heights. Research from Jiang et al. (2020) explains that typical smart device batteries are designed to withstand a drop from about 1.5 meters.
-
Safety Tests (Including Thermal Runaway Assessments): Safety tests ensure that a battery can operate without posing a risk of explosion or fire. These assessments include monitoring thermal runaway under various conditions. The National Fire Protection Association (NFPA) provides guidelines that include these safety tests as part of the certification process for battery reliability.
These diverse testing strategies combine to create a comprehensive assessment framework, ensuring that the Galaxy S8’s battery performs reliably in everyday use and under potential stress conditions.
Who Are the Top Brands Manufacturing Galaxy S8 Batteries?
The top brands manufacturing Galaxy S8 batteries include Samsung, Anker, and Maxboost. Samsung produces original equipment manufacturer (OEM) batteries, ensuring compatibility and quality. Anker is known for high-capacity aftermarket batteries, offering extended life and reliability. Maxboost provides budget-friendly options, delivering decent performance for users. Each brand presents unique features that cater to different user needs and preferences.
What Repair Options Are Available for a Galaxy S8 Battery?
The available repair options for a Galaxy S8 battery include several approaches.
- Battery Replacement (DIY)
- Professional Repair Service
- Authorized Repair Center
- Battery Calibration
- Wireless Charger Reset
- Software Optimization
To choose the best repair option for a Galaxy S8 battery, consider each approach carefully.
-
Battery Replacement (DIY):
Battery replacement involves the user purchasing a replacement battery and opening the device to install it themselves. This method can be cost-effective for those familiar with phone repair. However, it requires tools and a careful approach to avoid damaging the device. Guides are available online to assist in this process. -
Professional Repair Service:
Using a professional repair service ensures that the battery is replaced safely and effectively. Technicians have the necessary skills and equipment to perform repairs without risking damage to the device. This option is generally more expensive but may provide warranties for the service. -
Authorized Repair Center:
An authorized repair center offers repairs that meet manufacturer standards. These centers use genuine parts and often provide quality guarantees. Although this option may be costlier than third-party services, it assures customers of quality and reliability in the repair. -
Battery Calibration:
Battery calibration is a software method to ensure that the device accurately reports battery status. This process can sometimes improve battery performance without any physical repair. It involves charging the battery to full and then draining it completely to reset the battery meter. -
Wireless Charger Reset:
Resetting the wireless charger can sometimes resolve charging issues attributed to the battery. Users should disconnect the charger, clean it, and reconnect to see if the charging issue persists. If successful, this can mitigate battery performance problems without replacing the actual battery. -
Software Optimization:
Software optimization includes adjusting device settings to improve battery life and efficiency. Options may include disabling background apps, reducing screen brightness, or using battery saver modes. This approach is cost-free and can significantly extend battery performance, making it a consideration before opting for physical repairs.
What Are User Reviews Saying About Galaxy S8 Battery Performance?
User reviews indicate that the Galaxy S8 battery performance receives mixed feedback.
- Battery life is satisfactory for average users.
- Heavy users report quicker battery drain.
- Charging speed is generally praised.
- Some users experience overheating during intensive tasks.
- Battery aging affects overall performance over time.
The variety of experiences highlights different aspects of the Galaxy S8 battery performance.
-
Battery Life Satisfactory for Average Users: Users often report that the Galaxy S8 provides adequate battery life for daily tasks. Average users, who typically engage in light to moderate activities such as browsing, social media, and calls, find the phone lasts a full day without requiring a recharge. According to a review by Tom’s Guide, the S8 can achieve around 24 hours of usage under normal conditions.
-
Heavy Users Report Quicker Battery Drain: Conversely, extensive users, who frequently stream videos, play games, or use GPS services, note a significant decrease in battery life. For these users, the device might require more frequent charges, often within a 10-12 hour window. A user on Reddit mentioned that while the phone performs well, heavy gaming drains the battery rapidly, making it less reliable for prolonged tasks.
-
Charging Speed is Generally Praised: Many reviewers appreciate the fast charging capability of the Galaxy S8. The device supports both wired and wireless charging technologies, allowing users to recharge quickly, especially when time is limited. Samsung claims that the S8 can recharge up to 50% in just 30 minutes using its fast charging feature. This aspect has been highlighted as a significant advantage in user testimonials.
-
Some Users Experience Overheating During Intensive Tasks: A number of users have raised concerns about the Galaxy S8 overheating during tasks that demand high processing power, such as gaming or video editing. This overheating can lead to temporary performance throttling and may impact battery life negatively. Reports from users indicate that prolonged multitasking can exacerbate this issue.
-
Battery Aging Affects Overall Performance Over Time: Over time, users notice a decline in battery performance due to normal wear and tear. As batteries age, their ability to hold a charge diminishes. Several long-term users have shared experiences where the battery capacity drops significantly after 1-2 years of use. The results are often reflected in shorter daily usage times and more frequent charging requirements than at the time of purchase.