ASUS VIVOBOOK B21N1818 ORIGINAL BATTERY

Battery Type: Original Li-ion rechargeable battery

Capacity: 38Wh / 11.55V (may vary by model)

Cells: 3-cell configuration for balanced performance

Performance: Long backup, efficient power management

Safety Features: Protection from overcharge, discharge, heat, and short circuits

Warranty: 6-month warranty

Build Quality: 100% genuine OEM-grade construction

Installation: Easy to fit, fully compatible with original design