Premium 7.7V 3800mAh Li-polymer battery engineered for Asus VivoBook 14/15 series (X412FA/X412UA/F512FA/S512JA/X512FL models). Ultra-precision cells deliver 30% longer cycle life than standard batteries with built-in overcharge/overheat protection.

Military-grade polymer casing resists impact and extreme temperatures (-20°C to 60°C). Features gold-plated contacts for zero resistance power transfer and smart IC chip for real-time charge monitoring.

Perfect for business travelers needing reliable backup power or students requiring all-day laptop performance. OEM-compatible with 1-hour rapid charging capability – matches original battery specs down to millimeter dimensions.

Worldwide wholesale pricing with bulk discounts available. Ships with full certification (CE/RoHS/UL) and 18-month warranty. Stocked in US/EU warehouses for 3-day delivery.