Winston Battery Cell 260Ah 3.3V LiFeYPO4 (TSWB-LYP260AHA)

ThunderSky Winston LiFeYPO4 Battery is a high-performance rechargeable lithium battery that has gained significant popularity in recent years. Thanks to its high energy density, exceptional safety standards, and long cycle life, the Winston LiFeYPO4 battery is widely recognized as a reliable solution for various energy storage needs.

This advanced LiFeYPO4 technology, is ideal for demanding applications such as electric vehicles (EVs), solar power systems, marine energy storage, and telecommunications infrastructure.

Key Parameters

• Technology: LiFeYPO4 / LiFePO4
• Capacity: 260Ah / 858Wh
• Energy density: 96Wh/kg
• Nominal Voltage: 3.3V
• Voltage Range: 2.8V – 3.8V
• Initial Charging Voltage: 3.65V
• Recommended Charge/Discharge Rate: 0.5C/130A
• Continues Discharge Rate: 3C/780A
• Continues charge Rate: 3C/780A
• Puls Discharge Rate: 10C/2600A
• Temperature Range: -45°C – +85°C
• Weight: 8.8kg ± 200g
• Dimensions: 361 x 283 x 55.5mm
• Cycle Life: 5000+ cycles at 80% depth of discharge (DOD), 7000+ at 70% DOD

Why LiFeYPO4 Batteries Stand Out

ThunderSky Winston LiFeYPO4 batteries represent a next-generation lithium technology trusted worldwide for its exceptional safety, ultra-long lifespan, and unmatched performance in demanding energy storage applications.

These deep-cycle LiFeYPO4 (Lithium Iron Yttrium Phosphate) cells are engineered for high energy efficiency, thermal stability, and reliability—making them the preferred choice for solar storage systems, electric vehicles, off-grid installations, and industrial backup solutions.

 What Makes LiFeYPO4 with “Y” So Unique?

While most lithium iron phosphate batteries use the LiFePO4 chemistry (Lithium Iron Phosphate), ThunderSky Winston has improved this formula by incorporating Yttrium (Y) into the crystal structure—resulting in LiFeYPO4.

This addition of yttrium enhances: Thermal stability

•  Lower internal resistance
•  Longer cycle life under heavy use
•  Improved performance in extreme temperatures

 Key Advantages of ThunderSky Winston LiFeYPO4 Cells

 Extreme Cycle Life

• Over 5,000+ charge/discharge cycles at 80% depth of discharge (DoD)
• Lifespan of up to 15 years with minimal degradation

 Superior Safety Profile

• Chemically stable and non-combustible
• Resistant to thermal runaway and overcharging
• Safe for residential and industrial use

 Wide Operating Temperature Range

• Operates reliably between -45°C and +85°C
• Suitable for harsh outdoor and off-grid conditions

 High Capacity Options

• Available in high-capacity cells (e.g. 400Ah, 700Ah, 1000Ah)
• Perfect for large-scale energy storage and container battery systems

 Proven Manufacturing Quality

• Every cell is tested and balanced at the factory
• Backed by over 20 years of battery engineering from ThunderSky Winston

 Ideal Applications for Winston LiFeYPO4 Batteries

•  Solar energy storage systems (on-grid & off-grid)
•  Campervans and RVs
•  Marine battery systems
•  Industrial backup power and telecom UPS
•  Electric vehicles, buses, and forklifts
•  Containerized energy storage (10kWh–1MWh+)

Built to Last. Engineered to Perform.

Whether you’re building a home energy system, powering a remote site, or designing a commercial storage solution, ThunderSky Winston LiFeYPO4 cells offer the durability, efficiency, and safety that modern applications demand.