Amidst the rapid evolution of smartphone battery technology, the Samsung Galaxy S26 Plus delivers a steady performance: while its Samsung Galaxy S26 Plus Smartphone Batterycapacity and wired charging speeds remain unchanged from its predecessor, it introduces a significant upgrade in wireless charging capabilities.
I. Battery Capacity: Matching the Predecessor
According to the TÜV Rheinland certification database, the Galaxy S26 Plus (model SM-S947) features a rated Samsung Galaxy S26 Plus Smartphone Battery capacity of 4,755mAh, with a marketed “typical capacity” of 4,900mAh. These figures are identical to those of the previous-generation Galaxy S25 Plus.
II. Wired Charging: Holding Steady at 45W
Regarding charging speed, the S26 Plus retains the configuration of its predecessor, supporting a maximum of 45W wired fast charging (branded by Samsung as “Super Fast Charging 2.0”). It takes approximately one hour to charge from zero to full capacity. Note that the official packaging does not include a charging adapter; users must purchase one separately.
III. Wireless Charging: Upgraded from 15W to 20W
Wireless charging represents the most significant upgrade for theSamsung Galaxy S26 Plus Smartphone Battery. While the previous S25 Plus supported 15W wireless charging, the S26 Plus boosts this to 20W. Although it falls short of the S26 Ultra’s 25W wireless charging capability, the 5W increase still offers faster recharging speeds for users who rely on wireless charging.
IV. Real-World Battery Life Performance
Battery life for the S26 Plus varies depending on testing conditions. In the PCMark Work 3.0 test, the device achieved a battery life of 14 hours and 28 minutes—a 17% improvement over the previous generation. PCMag’s real-world testing recorded a battery life of 14 hours and 48 minutes. In the “Battery Dog” test, which more closely simulates comprehensive daily usage, the Samsung Galaxy S26 Plus Smartphone Battery drained from 100% to 20% in 6 hours and 3 minutes; this extrapolates to a total runtime of approximately 7.5 hours on a full charge—easily sufficient for a full day of normal use.
V. Conclusion
Samsung’s battery strategy for the Galaxy S26 Plus can be summarized as “steady yet progressive”: the 4,900mAh capacity and 45W wired fast charging maintain the solid standards set by the previous generation, while the upgrade from 15W to 20W wireless charging and the addition of Qi2 magnetic charging support deliver tangible improvements to the user experience. For everyday users seeking a balance betweenSamsung Galaxy S26 Plus Smartphone Battery life and charging performance, the Galaxy S26 Plus offers a practical and reliable solution.
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