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The pre-launch tip that the Samsung Galaxy Z Flip6 would have 12GB of RAM and a larger battery proved accurate: Samsung confirmed both specifications when it announced the phone. The Flip6 has 12GB of memory and a 4,000mAh typical-capacity battery—300mAh more than the Flip5, according to Samsung. That capacity increase is not, by itself, evidence of a specific improvement in real-world battery life.

What Samsung confirmed about the Galaxy Z Flip6

Samsung’s Galaxy Z Flip6 launch announcement lists 12GB of memory, 256GB or 512GB of internal storage, and a 4,000mAh typical battery. Samsung’s US business specification sheet also lists 12GB RAM and those storage configurations.

Samsung’s official teardown independently states that the battery capacity is 4,000mAh. In other words, the tip’s key hardware claims were confirmed at launch; they are not merely unverified rumors now.

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How the Flip6 compares with the Flip5

Samsung’s regional product and support pages provide direct comparisons with the predecessor:

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Vvsialeek New EB-BF742ABE Replacement Battery Compatible with Samsung Galaxy Z Flip 6 5G F741 with Technical Toolkit
  • Battery Model:EB-BF742ABE,Compatible with:Samsung Galaxy Z Flip 6 5G F741. Make sure your device is suitable for this replacement battery before ordering.
  • Our battery is 100%, tested premium quality 100%, specially used Class A battery cells with UL,CE and RoHS certification. Each battery has a battery that has been tested under strict quality control standards and offers you a charge of up to 526+ cycles with fast and efficient charging.
  • The battery comes with high quality repair tools and 3M adhesive tapes, no installation guide, a professional technician is recommended if you do not know how to replace it yourself.
  • If as the product you received is broken, crashed or dented, please do not install it in your phone, contact us first and we will help you solve the problem immediately.
  • Installation videos could be found on the internet like YouTube.
Specification Galaxy Z Flip5 Galaxy Z Flip6
Memory 8GB, according to Samsung Korea Support 12GB, according to Samsung Korea Support
Typical battery capacity The comparison page says the Flip6 is 300mAh larger; a comparable Flip5 figure is not stated on that page 4,000mAh; Samsung says this is 300mAh greater than the Flip5
Internal storage configurations Not stated in the cited Samsung launch announcement or comparison pages 256GB or 512GB, according to Samsung’s launch announcement

The memory comparison comes from Samsung Korea Support. The battery increase is stated on Samsung China’s Galaxy Z Flip6 product page. The storage options above are from Samsung’s launch announcement; the cited comparison pages do not establish a like-for-like Flip5 storage configuration.

What the larger battery does—and does not—tell you

Samsung describes the Flip6’s battery capacity as 4,000mAh and the increase over the Flip5 as 300mAh. Capacity is a specification, not a battery-life test: it does not say how many hours a particular person will get between charges.

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LNANMUXI EB-BF741ABE 3.88V 1097mAh Replacement Battery Compatible for Samsung Galaxy Z Flip6 5G SM‑F741 with Repair Tools
  • 【Precise Compatibility, Perfect Fit】This battery is compatible with Samsung Galaxy Z Flip6 5G SM‑F741, to ensure that the battery you purchase is a perfect match for your device, be sure to check the model number of your device before ordering (you can check the model number of your device in the ‘Settings’ of your device).
  • 【Long-lasting Battery Life, Say Goodbye to Power Anxiety】We understand your need for long-lasting power. Each battery is made with high-quality cells and undergoes rigorous aging tests and performance screenings, offering higher energy density than ordinary batteries. This means longer talk, gaming, and video time, significantly reducing daily charging frequency, allowing you to use your device freely without worries.
  • 【Easy Installation, Learn at a Glance】 Even beginners can handle it! We have prepared a complete set of simple repair tools for you. There’s no need to search everywhere for installation guides—just search for related videos on platforms like YouTube, and you’ll find plenty of clear tutorials to easily complete the installation.
  • 【Built-in Multiple Safety Protections】Safety is our top priority. The battery is equipped with an advanced smart protection chip, offering multiple circuit protections such as overcharge, over-discharge, short circuit, and overheating. This not only effectively prevents potential risks but also intelligently optimizes the charging process, greatly extending the battery's lifespan and ensuring worry-free use.
  • 【Worry-free After-sales and Professional Support】Your satisfaction is our highest pursuit. If you encounter any problems during installation or use, please feel free to contact us. We promise to provide professional and efficient responses and solutions within 24 hours, ensuring you have a pleasant shopping experience.

Samsung’s launch materials attribute longer usage time to hardware and software optimization, but the official sources cited here do not provide a controlled, direct Flip5-versus-Flip6 runtime comparison. They therefore do not establish a precise number of extra hours or a guaranteed day-to-day improvement.

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Storage availability depends on market and channel

Samsung announced 256GB and 512GB Flip6 configurations. The US business specification sheet cautions that some storage options may not be available through all channels. Treat the listed capacities as announced configurations, not a guarantee that both can be purchased everywhere.

Best Value
E-YIIVIIL Replacement Battery EB-BF732ABY Compatible with Samsung Galaxy Z Flip 5 F731B, 2700mAh/3.88V, with Repair Tool Kit
  • This battery is compatible with Samsung Galaxy Z Flip 5 F731B, to ensure that the battery you purchase is a perfect match for your device, be sure to check the model number of your device before ordering (you can check the model number of your device in the ‘Settings’ of your device).
  • This high-quality battery has undergone strict quality inspection before shipment, and has overcharge, over-discharge, and over-heat protection, so you don't have to worry about quality. In addition, with this battery, you will not have to charge your device as often as before, allowing you to travel with more peace of mind.
  • When using the device for the first time, the battery is discharged until the device automatically shuts down, which is a process of complete discharge. Repeat this process two to three times. When the discharge is complete, connect the battery to the appropriate charger and wait patiently until the battery level shows 104%. Only in this way can the excellent performance of the battery be unleashed, its service life extended, and provide you with longer and more stable power support.
  • This battery comes with a professional installation kit that makes it easy to install even for beginners. If you want to replace the battery more easily, we highly recommend watching a related video on YouTube. Please note that due to the professional and risky nature of battery installation, we are not responsible for battery damage caused by improper personal handling during installation.
  • Your satisfaction is always our business purpose, if you are not satisfied with our products, please contact our friendly customer service staff via the "Contact Seller" function, we will contact you within 28 hours and deal with all quality-related issues with a refund or replacement. Therefore, you can buy our products with confidence.
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GREEN FUSION EB-BF723ABY Battery for Galaxy Z Flip 4 5G (Lower Section)
  • NEW 0 CYCLE Battery: This battery supports up to 800+ charging cycles, built with original high quality battery cell. TIPS: The Galaxy Z Flip 4 has two built-in batteries, model EB-BF725ABY (lower part) and EB-BF724ABY (upper part). We recommend ordering both to replace your old batteries for more stable and longer-lasting battery life and performance. You can find them together in our store, and each one comes with complete installation instructions.
  • Complete Repair Toolkit for DIY Replacement: The package includes all essential tools, such as screwdrivers, pry tools, and adhesive strips, making it convenient for you to perform the repair yourself without requiring additional tools.
  • Step-by-step Instruction: we provide a vivid instruction manual to show you how to disassemble your device and replace the battery by yourself.
  • Professional Support and Extended Coverage: This product is backed by 18-mon of coverage, providing you with peace of mind. If any issues arise during installation or use, you can reach out to our professional assistance to address your concerns promptly.
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GREEN FUSION EB-BF724ABY Battery for Galaxy Z Flip 4 5G (Upper Section)
  • NEW 0 CYCLE Battery: This battery supports up to 800+ charging cycles, built with original high quality battery cell. TIPS: The Galaxy Z Flip 4 has two built-in batteries, model EB-BF725ABY (lower part) and EB-BF724ABY (upper part). We recommend ordering both to replace your old batteries for more stable and longer-lasting battery life and performance. You can find them together in our store, and each one comes with complete installation instructions.
  • Complete Repair Toolkit for DIY Replacement: The package includes all essential tools, such as screwdrivers, pry tools, and adhesive strips, making it convenient for you to perform the repair yourself without requiring additional tools.
  • Step-by-step Instruction: we provide a vivid instruction manual to show you how to disassemble your device and replace the battery by yourself.
  • Professional Support and Extended Coverage: This product is backed by 18-mon of coverage, providing you with peace of mind. If any issues arise during installation or use, you can reach out to our professional assistance to address your concerns promptly.

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.