Samsung Galaxy S26 Series Battery Upgrade and 65W Fast Charging Leak

Samsung Galaxy S26 Series

Samsung is gearing up to introduce a fresh addition to its Galaxy S lineup. The South Korean tech giant is reportedly planning a notable overhaul for its upcoming Galaxy S26 series. The upcoming Samsung Galaxy S26 series is shaping up to be a significant leap forward for its flagship smartphone series. A report from 9to5Google suggests that the new flagship lineup may consist of three variants: Samsung Galaxy S26 Pro, Galaxy S26 Edge, and Galaxy S26 Ultra. However, there’s no official information about their specifications, launch date, or any other details.

Samsung Galaxy S26 Series – A Complete Rebranding

According to the leaks from firmware files and industry insiders, the Galaxy S26 series will bring bold design changes, powerful next-gen chipsets, and a complete rebranding. Samsung is reportedly revamping its naming convention for the Galaxy S26 series. As per the rumors, the traditional “Plus” model could be replaced with a new “Edge” variant. While the base model might be rebranded as the Samsung Galaxy S26 Pro.

Codenames for S26 Series

The Firmware reference refers the devices with the codenames M1, M2, and M3. These M1, M2 and M3 codenames could correspond to the S26 Pro, S26 Edge, and S26 Ultra, respectively. Notably, the “M1” codename could be used for the entry-level model. However, as per the listings it is in association with the “Pro” moniker. Also Read: iQOO Z10 Lite 5G Review: Specifications, Price in India

Samsung Galaxy S26 Series handset model numbers

Additional corroboration comes from the GSMA database, where similar model names were spotted. One such device, initially listed as “Galaxy S26” under model number SM-S942U, has reportedly been renamed “Galaxy S26 Pro.” Listings also include the S26 Edge and S26 Ultra, but not a Plus variant.

Samsung Galaxy S26 Series smartphones with major rebranding
Samsung Galaxy S26 Series smartphones with major rebranding featuring Pro, Edge and Ultra variant

This supports earlier speculation that Samsung might retire the Plus model in favour of the ultra-thin Edge model. Samsung may still be experimenting with naming conventions during development, and the final lineup could differ from what leaks suggest so far. Also Read: Samsung Galaxy S25 FE listing hints at colors, price, specifications

Keep in mind Samsung has not confirmed the new trio would be a Galaxy S26 (or Galaxy S26 Pro), Galaxy S26 Edge, and a Galaxy S26 Ultra. The recent leaks have reportedly unveiled new details about its display and battery specs of the Samsung Galaxy S26 series. Also Read: iPhone 17 Series Tipped To Get Price Hike, Except THIS Model

Samsung Galaxy S26 Series: Leaks and Rumors

Ahead of any official news, Leaks are already surfacing online. Based on these leaks, things might look different this year. Samsung is reportedly preparing significant battery upgrades for its next-generation Galaxy S26 series smartphones. The South Korean tech players may bring a battery upgrade to the Galaxy S26 (the base model, which may or may not be a ‘Pro’).

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Samsung Galaxy S26 Series: Battery Hike

Samsung preparing to grace the Galaxy fans with some more battery. According to rumors, Samsung may introduce silicon-carbon batteries with the Galaxy S26 series. If true, it may facilitate noticeably bigger batteries on the Galaxy S26 lineup. Unfortunately, though, this seems not to be the case. Rather, we may be looking at a 4,300mAh for the Galaxy S26 Pro.

An even smaller 4,200mAh battery cell is possible for the thin sibling, the Galaxy S26 Edge. For reference, the Galaxy S25 comes with a 4,000mAh battery, which is somewhat small compared to some of the aforementioned battery champions. The bigger sibling, the Galaxy S25+, comes with a 4,900mAh battery cell. Also Read: Moto g86 Power 5G with 6720mAh battery launched in India for Rs 17,999

Meanwhile, the Galaxy S26 Ultra could jump to a 5,500mAh battery — an increase of 500mAh over the S25 Ultra. The South Korea-based company should really work on new battery technology in order to not be left behind by some of the Chinese pioneers. Also Read: Infinix GT 30 5G+ In India With 64 MP Camera, GT Shoulder Triggers: Check Specs, Features and Price

Battery boost on the Galaxy S26 Series handsets
Bigger Battery on the upcoming Galaxy S26 Series with 65W fast charging

🔋 Battery Boost Across All Models

Earlier, well-known tipster Digital Chat Station (via Wccftech) stated that the standard Galaxy S26 Pro is going to show up with a bigger 4,300 mAh battery, which represent increases based on the current vanilla model. In addition to a bigger battery, the Ultra model might also finally adopt 65W wired fast charging. The Galaxy S26 lineup is likely to pack larger batteries over its predecessors:

  • Galaxy S26 Pro: 4,300mAh (up from 4,000mAh in S25)
  • Galaxy S26 Edge: 4,200mAh (up from 3,900mAh in S25+)
  • Galaxy S26 Ultra: 5,500mAh (up from 5,000mAh in S25 Ultra)

These improvements mark a significant leap in battery life potential, especially for power users. Of course it’s hard to tell how much difference a boost in battery capacity is going to make to actual battery life. This is because there are other factors involved besides the size of the battery. But it certainly can’t do any harm to the smartphone. Also Read: Honor X70 with 8300mAh Battery Launched

⚡ 65W Fast Charging for the Ultra Model

For the first time, Samsung may equip its S26 Ultra variant with 65W wired fast charging. This move from the company would be the best news among the Galaxy fans. If true, this would be the fastest charging speed ever offered on a Samsung flagship. With such fast speed charging, Samsung will be closing the gap with competitors like OnePlus and Xiaomi.

The flagship variant to adopt 65W fast charging, first on any Galaxy flagship smartphone
Samsung Galaxy S26 Ultra to adopt 65W fast charging, first on any Galaxy flagship smartphone

📱 Galaxy S26 Series with One UI 8.5

The Galaxy S26 series may come with One UI 8.5, which will be based on Android 16. One UI 8 debuted on the Galaxy Z Fold 7 and Z Flip 7 phones. According to rumors, this time Samsung may revise it’s software update strategy and have the Galaxy S devices debut with One UI x.5. In the meantime, Samsung is reportedly considering partnering with Perplexity AI for the AI on the Galaxy S26.

📱 Samsung Galaxy S26 Series: Pro, Edge, and Ultra?

Leaked references in Samsung’s One UI 8 (Android 16) suggest a potential shake-up in the model structure:

  • The “Pro” model might replace the base version.
  • The “Edge” model could take over from the Plus variant.
  • The Ultra remains as the top-tier flagship.
  • No references to a standard “Base” or “Plus” model, hinting at a marketing revamp or ongoing internal testing of new branding.
The Ultra variant to feature the Snapdragon 8 Elite 2 for Galaxy processor
Samsung Galaxy S26 Ultra to feature the Snapdragon 8 Elite 2 for Galaxy processor

Samsung Galaxy S26 Series – Flagship Smartphone Series 2026

While writing this article, there is no information about the hardware on the upcoming Samsung Galaxy S26 Series. However, according to rumors, the upcoming Galaxy S26 Pro and Galaxy S26 Edge is likely use Qualcomm’s next top processor. Samsung is getting close to the point at which it must choose between the Snapdragon 8 Elite 2 and the Exynos 2600. Also Read: iPhone 17 Series Colour Options Tipped with 8x Optical Zoom, New Pro Camera App

Galaxy S26 Series with Snapdragon or Exynos?

It’s still possible that some regional split may occur like with previous Galaxy S models. The US and others may get Qualcomm’s chip, while Europe and Asian market may get an Samsung-made Exynos 2600. Historically, Qualcomm’s CPUs have outperformed Samsung’s, but Samsung has a few months to make improvements in time for the S26 series.

Samsung may really be pushing for Exynos. A lot of reports indicate that a regional split is in the cards. Major markets (North America, Korea, China, and Japan) to get the Snapdragon 8 Elite Gen 2, while other markets may receive the Samsung-made Exynos 2600. Also Read: Google Pixel 10 Series leaks ahead of launch

For the Galaxy S26 Ultra model, Samsung could bring in the newer Qualcomm Snapdragon 8 Elite 2 for Galaxy SoC. Furthermore, the company could shred the thickness of the Ultra variant. According to rumors, the Ultra model could launch with around 7mm thickness. Beside this, Samsung Galaxy S26 Series may feature new camera upgrades and revised model lineup.

Samsung Galaxy S26 Series: Key Takeaways

  • Three variants likely: Samsung Galaxy S26 Pro, S26 Edge, and S26 Ultra (Plus model likely dropped).
  • New chipsets: Snapdragon 8 Elite 2 for Ultra; Exynos 2600 for other models.
  • Faster charging: S26 Ultra could support 60W fast charging.
  • Slimmer design: Ultra model may be under 7mm thick.
  • Improved cameras: Samsung Galaxy S26 Series camera rumors suggests potential new sensors.
  • AI features: Expanded Galaxy AI tools and third-party chatbot support.
  • Expected launch: Samsung Galaxy S26 release date around January or February 2026 at Galaxy Unpacked.
  • Pricing: No official word yet, but Snapdragon 8 Elite 2’s pricing suggests no drastic hike from the S25’s $799 starting price.

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