Samsung Galaxy S26 Ultra (EB-BS942ABY) Review: 4300mAh Battery & 16.29Wh Power PerformanceIn the rapidly evolving landscape of premium smartphones, the Samsung Galaxy S26 Ultra stands as a testament to cutting-edge engineering. While its camera system and processing power often steal the spotlight, the device's longevity relies heavily on a crucial internal component: the battery.
In this article, we will explore the highlights of the new flagship and dive deep into the specifications of its power source, identified by the model number EB-BS942ABY.
🔋 Battery Specifications: The EB-BS942ABYThe heart of the Galaxy S26 Ultra's endurance is the EB-BS942ABY battery module. This component is manufactured by Sunwoda (Dongguan) and features high-density Li-ion technology designed to support the device's advanced display and 5G connectivity.
Here are the exact technical specifications extracted from the battery label:
Model Number: EB-BS942ABY
Rated Capacity: 4175 mAh (Milliampere-hours)
Typical Capacity: 4300 mAh
Rated Energy: 16.29 Wh (Watt-hours)
Nominal Voltage: 3.90 V
Charge Limit Voltage: 4.50 V
Note on Capacity: While the "Rated Capacity" (4175 mAh) is the guaranteed minimum, the "Typical Capacity" (4300 mAh) represents the average capacity you can expect from the battery when new.
🚀 Performance & Design HighlightsThe Samsung Galaxy S26 Ultra is engineered to be a powerhouse, and the EB-BS942ABY battery is optimized to deliver consistent performance throughout the day.
1. Efficiency Meets PowerWith a 16.29 Wh energy rating, this battery is calibrated to handle the high demands of the 6.9-inch Dynamic AMOLED 2X display and the high-performance processor. Whether you are streaming 8K video, gaming, or utilizing the S Pen for productivity, the battery management system ensures efficient power draw.
2. Durability and SafetySafety is paramount in modern battery design. The EB-BS942ABY adheres to strict international safety standards (IEC 62133-2, IS 16046, etc.), featuring multiple layers of protection against overcharging, overheating, and physical damage. The label explicitly warns against disassembly, crushing, or exposure to fire, which are standard precautions for high-density Li-ion cells.
3. Integration with Fast ChargingTo keep up with the fast-paced lifestyle of S26 Ultra users, this battery supports high-speed charging protocols. While the exact wattage varies by region, it is designed to replenish the 4300 mAh capacity rapidly, minimizing downtime.
📸 Visual IdentificationIf you are looking at the internal components of the device, the battery is easily identifiable by its white label and specific markings.
Key identifiers on the label include:
The Samsung logo.
The model code EB-BS942ABY.
The serial and manufacturing date (e.g., 2025.12.26).
The distinct energy rating of 16.29 Wh.
ConclusionThe Samsung Galaxy S26 Ultra is not just about its camera or processor; it is about the seamless integration of hardware. The EB-BS942ABY battery, with its 4300 mAh typical capacity and 16.29 Wh
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