High-Capacity 11.1V 4000mAh Battery
Premium lithium-ion cells deliver stable power output, extending laptop uptime for work or entertainment.
Precision Compatibility for ASUS VivoBook S300/S400 Series
Engineered to fit C31-X402 models (S300C/S300CA/S300E/S400C/S400CA/S400E) with seamless plug-and-play installation.
Durable & Lightweight Design
Reinforced ABS shell with heat-resistant circuitry ensures safety during prolonged use, weighing only 280g for portability.
Optimized for Multitasking & Travel
Ideal for business presentations, remote work, or on-the-go streaming with reliable 300+ charge cycles.
Direct-from-Factory Pricing
Bulk-order savings without middlemen—strict quality control meets OEM standards at unbeatable wholesale rates.