Replacement Battery Specification
- Battery Model: VJ8BPS57
- Capacity: 40Wh / 3520mAh
- Voltage: 11.4V
- Battery Type: Li-ion
- Cell: Made in China, high quality guarantee
- Color: Black
- Condition: Replacement Battery (100% Brand New, 1-year warranty!)
Replace Part Number
- VJ8BPS57
- 31CP5/57/80
Compatible Laptop Model
- For VAIO S15 2019 Series
- For VAIO S15 VJS153 VJS153C11N
- For VAIO S15 VJS154 VJS154C11N
- For VAIO S15 All BLACK Edition
Product Features
- Reliable VAIO Laptop Performance: 40Wh / 3520mAh lithium-ion battery delivers consistent all-day runtime for Sony VAIO S15 2019 laptops — ideal for business professionals, students, and mobile users who rely on their VAIO for productivity and creativity
- Premium Li-ion Cells: High-quality cells provide stable 11.4V output for consistent laptop performance during business computing, content creation, video conferencing, and everyday productivity tasks
- OEM Replacement Quality: Meets or exceeds original Sony specifications for voltage, capacity, safety standards, and physical dimensions — direct replacement for VJ8BPS57 and 31CP5/57/80
- Precision Fit for VAIO S15 2019: Specifically engineered for Sony VAIO S15 2019 series laptops for perfect physical fit and reliable battery management system integration
- Advanced Safety Protection: Multi-layer protection circuits guard against overcharge, over-discharge, short circuit, and thermal events during daily laptop use
- Restore Full Laptop Runtime: Revive your Sony VAIO S15 2019 with a fresh battery that restores full all-day productivity for work, study, and creative tasks
Why Choose This Battery
Engineered for the Sony VAIO S15 2019 laptop, this 40Wh Li-ion replacement battery ensures reliable all-day power for business professionals, students, and mobile users who depend on VAIO performance. Perfect for office productivity, remote work, content creation, and everyday computing requiring consistent laptop runtime.
Key Benefits:
- Direct replacement for Sony VAIO S15 2019 — replaces VJ8BPS57 and 31CP5/57/80 with perfect fit
- 40Wh / 3520mAh capacity supports all-day runtime for business productivity and everyday laptop use
- Rigorous quality testing ensures capacity, voltage stability, and safety compliance for laptop use
- 1-year warranty and OEM-grade construction for reliable long-term performance in daily computing environments
- Precision-engineered housing with multi-layer protection circuits for safe operation during everyday laptop use