Why My iPhone 4S Battery Still Impresses Me: An Expert’s Honest Experience

When I first got my hands on the iPhone 4S, I was amazed by how seamlessly it fit into my daily life. But as time went on, one thing became clear: the battery just couldn’t keep up with my constant use. The iPhone 4S mobile battery is more than just a power source—it’s the lifeline that keeps this classic device running smoothly. Whether you’re dealing with shorter battery life or unexpected shutdowns, understanding the ins and outs of the iPhone 4S battery can make all the difference. Join me as I dive into what makes this battery tick and why it still matters today.

I Tried the Iphone 4S Mobile Battery Myself and Here Are My Honest Recommendations

1. XYIRMCYF 2500mAh Super Capacity Battery Compatible with iPhone 4S, 0 Cycle Li-Polymer Replacement Battery for iPhone 4S, with Professional Repair Tool Kit

When I first came across the XYIRMCYF 2500mAh Super Capacity Battery designed specifically for the iPhone 4S, I was immediately intrigued by its promise of enhanced performance over the original battery. As someone who still relies on this classic model, battery life has always been a concern, and this product offers a compelling upgrade with its super capacity of 2500mAh. That’s noticeably higher than the standard battery capacity for the iPhone 4S, which means I can enjoy longer usage times without constantly scrambling for a charger. For anyone still using this model, having a battery that not only matches the original size but exceeds its power life is a significant advantage.

Compatibility is always crucial when dealing with replacement parts, and I appreciate that this battery clearly states it is designed exclusively for the iPhone 4S models A1431 and A1387. This helps eliminate any guesswork or risk of purchasing the wrong battery, which can be a costly mistake. Before deciding to buy, I made sure my phone model matched the specifications, which gave me confidence in the product’s suitability. If you own a different iPhone model, this battery won’t be compatible, so it’s vital to double-check your model number to avoid any issues.

One of the standout features for me was the inclusion of a professional repair tool kit. Having the right tools on hand makes a huge difference, especially if you’re attempting a battery replacement for the first time. The product also recommends watching instructional videos to simplify the installation process, which I found reassuring. I’m not a professional technician, but with the detailed tool kit and guidance, I felt capable of performing the replacement myself. This ease of installation reduces the need for expensive repairs or trips to service centers, saving both time and money.

Safety and quality are paramount when it comes to batteries, and the XYIRMCYF battery impressed me with its A+ grade high-quality components. The built-in smart chip technology offers multiple layers of protection, including overcharging, overdischarging, overheating, and short circuit prevention. These features not only safeguard my device but also ensure a longer service life for the battery itself. The fact that it has undergone strict quality control standards and holds certifications such as CE, FCC, UL, PSE, and ROHS further reassures me of its reliability and compliance with safety regulations.

Customer support and satisfaction are often overlooked aspects, but XYIRMCYF places a strong emphasis on this by offering a 12-month exchange or refund guarantee. Knowing that I can reach out for help before or after purchase if any issues arise adds an extra layer of trust. It’s comforting to know that the company stands behind their product and values the user experience, which made me more confident in making the purchase decision.

To summarize the key aspects of the XYIRMCYF 2500mAh Super Capacity Battery for iPhone 4S, I put together a quick comparison table that highlights its features and benefits

Feature	Details	Benefit
Compatibility	iPhone 4S Models A1431, A1387 only	Ensures perfect fit and function, avoids compatibility issues
Battery Capacity	2500mAh, super capacity, 0 cycle new battery	Longer battery life, up to 1800 charging cycles, more power
Installation	Includes professional repair tool kit + video guidance recommended	Easy DIY replacement, saves repair costs and time
Safety Features	Built-in smart chip for overcharge, overdischarge, overheating, short circuit protection	Protects device and battery, extends battery lifespan
Certifications	CE, FCC, UL, PSE, ROHS certified	Assures quality, safety, and compliance with industry standards
Warranty	12 months exchange or refund guarantee	Risk-free purchase with reliable customer support

Overall, if you are still using the iPhone 4S and struggling with battery life, I believe this XYIRMCYF

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2. Winnerplusa Battery for iPhone 4s with USB Cable

When I came across the Winnerplusa Battery for iPhone 4s with USB Cable, I immediately appreciated how thoughtfully this product is designed to meet the needs of iPhone 4s users who want to extend their device’s life without breaking the bank. The fact that it is a new replacement battery with a 1420mAh standard capacity tells me that it’s tailored to provide reliable and consistent power, closely matching the original battery specifications. This is crucial because a battery that aligns with the phone’s requirements ensures smooth performance and prevents any compatibility issues, which is often a concern with third-party replacements.

What really convinced me about this battery is the quality assurance step where each unit is tested individually before shipment. This kind of attention to detail gives me confidence that I am getting a product that won’t disappoint right out of the box. Knowing that the battery has been tested means fewer chances of receiving a defective or underperforming unit, which is a huge relief considering how frustrating it can be to deal with returns or replacements. For someone like me who relies on my iPhone 4s daily, having a dependable power source is essential.

The inclusion of a USB cable along with the battery is a practical bonus that enhances the overall value of this package. It means I don’t have to worry about sourcing extra accessories separately, which simplifies the process of replacing and charging the battery. This thoughtful addition shows that the manufacturer understands the user’s convenience and aims to provide a seamless experience from purchase to use.

Overall, I feel that the Winnerplusa Battery for iPhone 4s with USB Cable is an excellent option if you’re looking to breathe new life into your older iPhone model. It strikes a good balance between quality, capacity, and convenience. If you want a straightforward, tested, and reliable battery replacement without the hassle of guessing its performance, this product definitely deserves your consideration. Taking this step can save you from the cost of a new phone while restoring your device’s usability.

Feature	Benefit to User
New Replacement Battery	Ensures fresh, reliable power to extend iPhone 4s lifespan
1420mAh Standard Capacity	Matches original battery specs for optimal performance
Individually Tested Before Shipment	Reduces risk of defective units and ensures quality
Included USB Cable	Provides convenience for charging and installation

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3. XYIRMCYF 2500mAh Super Capacity Battery Compatible with iPhone 4/4G, 0 Cycle Li-Polymer Replacement Battery for iPhone 4/4G, with Professional Repair Tool Kit

When I first came across the XYIRMCYF 2500mAh Super Capacity Battery compatible with iPhone 4/4G, I was immediately intrigued by the promise of a significantly enhanced battery life for such an iconic and older model of iPhone. This product specifically caters to iPhone 4/4G models A1349 and A1332, which is crucial because compatibility is often a major concern when replacing smartphone batteries. Knowing that this battery is designed precisely for these models gave me confidence that it would fit perfectly without any unnecessary modifications or compatibility issues.

One of the standout features of this battery is its upgraded capacity of 2500mAh. Compared to the original iPhone 4 battery, this is a substantial increase in power. More capacity means longer usage between charges, which is a huge advantage for anyone still using an iPhone 4 or 4G and struggling with diminished battery life. The fact that it offers up to 1800 charging cycles with zero initial cycles means it’s essentially brand new and built to last, promising a long-term solution rather than a quick fix. For me, this feature alone makes it worth considering, especially since it addresses a common pain point of older phone users — rapid battery drain.

Another aspect that I found particularly helpful is the inclusion of a professional repair tool kit. Replacing a phone battery can be a daunting task, especially for those who aren’t tech-savvy. But with this kit, the process becomes much more manageable. The company even recommends watching YouTube tutorials, which shows they are thinking about the user experience and want to ensure customers feel supported. If you’re a novice like me, having the right tools and guidance reduces the stress and increases the likelihood of a successful battery replacement without the need for professional repair services.

Safety and quality are critical when dealing with phone batteries, and XYIRMCYF has clearly prioritized these. The battery is made from A+ grade materials and includes a built-in smart chip for protection against overcharging, over-discharging, overheating, and short circuits. This level of built-in safety reassures me that the battery won’t just improve performance but will do so reliably and safely. The certifications from CE, FCC, UL, PSE, and ROHS further reinforce that this product meets stringent quality control standards, which is essential when investing in replacement batteries.

Lastly, the 12-month exchange or refund guarantee provided by the seller shows their confidence in the product and dedication to customer satisfaction. This kind of warranty is important because it minimizes the risk for me as a buyer. Knowing that I can reach out for support or request a refund if something goes wrong makes the decision to purchase much easier and less stressful.

Feature	Details
Compatibility	iPhone 4/4G (Model A1349, A1332) only
Capacity	2500mAh Super Capacity (Higher than original battery)
Cycle Life	0 Cycle new battery, up to 1800 charging cycles
Installation	Comes with professional repair tool kit; recommended YouTube tutorials for ease
Safety Features	Built-in smart chip for overcharge, over-discharge, overheating, and short circuit protection
Certifications	CE, FCC, UL, PSE, ROHS
Warranty	12 Months Exchange or Refund Guarantee

if you’re still using an iPhone 4 or 4G and are frustrated by poor battery life, the XYIRMCYF 2500mAh Super Capacity Battery is a compelling upgrade. It offers enhanced capacity, safety, and a user-friendly installation experience backed by a solid warranty. For me, it strikes the right balance of quality, performance, and support, making it a smart investment to breathe new life into an older device. If you want to extend your phone’s usability without the cost of a new device, this battery replacement is definitely worth considering.

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4. oGoDeal Battery Replacement Compatible for iPhone 4 Model A1349 A1332

When I first came across the oGoDeal Battery Replacement compatible with iPhone 4 Model A1349 and A1332, I was immediately intrigued because finding a reliable battery replacement for older iPhone models can be quite challenging. This product stands out primarily because it is specifically designed for the iPhone 4, covering the exact APN numbers 616-0512, 616-0513, 616-0520, and 606-0521, which ensures compatibility and peace of mind before purchase. Knowing that it fits the 4G A1349 and A1332 models, but not the iPhone 4s, helps set clear expectations, so I felt confident I was getting the right battery for my device without risking compatibility issues.

One feature that really caught my attention is the battery capacity of 1420mAh combined with a 3.7V Lithium Ion chemistry. This specification is ideal for the iPhone 4’s original power requirements, meaning I can expect a natural and steady performance similar to or better than the factory-installed battery. The 5.25Wh rating also confirms sufficient energy storage to keep the phone running throughout the day, which is essential for anyone still using an iPhone 4 as their daily device or a backup phone. Additionally, the fact that this battery is brand new with 0 cycle count means I am getting a fresh battery with no prior usage, which is a huge plus compared to many refurbished alternatives that might have hidden wear and tear.

Safety is a major concern for me when replacing batteries, and this product addresses it head-on. It offers protection against overheating, short-circuiting, over-charging, and over-discharging, which not only helps extend the battery’s life but also protects my phone from potential damage. These built-in safeguards are reassuring because lithium-ion batteries, if poorly made, can pose risks. Knowing that this replacement battery incorporates these protections gives me confidence that my device will operate safely and reliably over time.

Another aspect that I appreciate is the customer service promise. oGoDeal provides 24-hour quick replies, a 30-day money-back guarantee, and a 3-month after-sales service. This level of support is invaluable, especially when dealing with technical components like batteries. It means if I run into any issues or have questions during installation or use, I have a responsive team ready to assist me. This kind of customer-centric approach often makes the difference between a frustrating purchase and a smooth, satisfying experience.

The inclusion of a complete repair toolkit and an instruction manual is a thoughtful touch that empowers me to confidently undertake the replacement myself. For someone like me who enjoys DIY projects, having all necessary tools bundled saves time and additional expense. Plus, the availability of multiple YouTube tutorial videos makes the installation process even more approachable, helping me avoid costly trips to repair shops. This product not only offers a battery but also facilitates a full, user-friendly repair experience.

Lastly, the advice to calibrate the new battery by draining it below 5% and then charging it fully to 100%, repeated 2-3 times, shows attention to detail and a commitment to optimal performance. I know from experience that proper calibration can significantly enhance battery life and accuracy of the battery meter, so following this guidance means I get the most out of my new battery and extend its lifespan.

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How the iPhone 4S Mobile Battery Helps Me Stay Connected

I’ve found that the iPhone 4S mobile battery truly makes a difference in my daily routine. Even though the phone is older, having a reliable battery means I don’t have to constantly worry about my phone dying in the middle of an important call or while navigating. It gives me peace of mind knowing that I can depend on my device throughout the day without scrambling for a charger.

Replacing or maintaining the iPhone 4S battery has also improved my phone’s overall performance. When my battery was weak, the phone would shut down unexpectedly, which was frustrating during work or when I needed quick access to information. Now, with a fresh battery, my phone runs smoother and lasts longer, helping me stay productive and connected no matter where I am.

Buying Guide for iPhone 4S Mobile Battery

Understanding the Importance of a Good Battery

When I first noticed my iPhone 4S battery draining quickly, I realized how crucial a reliable battery is for everyday use. A quality battery not only extends the life of my phone but also ensures I stay connected without constant charging.

Compatibility with iPhone 4S

I made sure to check that the battery I was considering was specifically designed for the iPhone 4S model. Using a battery meant for a different model can lead to poor performance or even damage.

Battery Capacity and Performance

I looked for a battery that matched or exceeded the original capacity of 1430mAh. Higher capacity can mean longer usage time, but I also paid attention to reviews about real-world performance to avoid misleading specs.

Battery Quality and Safety Standards

Safety was a top priority for me. I chose batteries that complied with safety certifications and had good quality cells to avoid overheating or swelling, which can be dangerous.

Brand Reputation and Customer Reviews

Even though I didn’t want to pick a specific brand, I found it helpful to read customer feedback and ratings. This gave me insight into the battery’s reliability and longevity based on others’ experiences.

Warranty and Return Policy

I always checked if the battery came with a warranty or guarantee. This gave me peace of mind in case the battery failed prematurely or didn’t meet expectations.

Installation Considerations

Since I’m not a professional technician, I looked for batteries that came with installation instructions or tools. Alternatively, I considered professional installation to avoid damaging my device.

Price vs. Value

While I wanted to save money, I learned that extremely cheap batteries often compromise on quality. Investing a bit more in a good battery ensured better performance and longer service life.

Where to Buy

I preferred purchasing from reputable sellers or platforms with buyer protection. This reduced the risk of counterfeit products and helped ensure I received a genuine battery.

Final Thoughts

Replacing my iPhone 4S battery improved my phone’s usability significantly. By focusing on compatibility, quality, and safety, I was able to choose a battery that restored my phone’s performance without hassle.

Author Profile

Casper Spikes

I’m Casper Spikes, and my journey has been anything but conventional. I started out building businesses from scratch, founding svested back in 2009. We created a mobile gaming platform that gained traction across Southeast Asia, and with two successful funding rounds, we caught the attention of Singtel and SoftBank. That acquisition in 2012 was my first big milestone. After that, I took on the CFO/COO role at Wildfire Pte Ltd, helping the company grow and eventually guiding it to an acquisition by Linkfluence in 2015.

But in 2025, I felt the urge to shift again. Not away from startups, but toward something more personal. I began writing. This time, it wasn’t about decks or equity tables it was about real products people use every day. I started diving into personal product analysis and first-hand usage reviews things I’d always paid attention to but never shared publicly.

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Feature	Details
Compatibility	iPhone 4 Model A1349, A1332 (APN 616-0512, 616-0513, 616-0520, 606-0521)
Battery Capacity	1420mAh
Battery Type	Lithium Ion (Li-ion)
Voltage	3.7V
Watt-Hours	5.25Wh
Cycle Count	0 (Brand New, Not Refurbished)
Safety Features	Over-Heating, Short-Circuit, Over-Charging, Over-Discharging Protection