Restore Long-Lasting Power to Your Asus Device with C31N2205 Battery Is your Asus Chromebook CX34 Flip CX3401 or ExpertBook B3 B3404CVF struggling with short battery life, slow charging, or sudden shutdowns? This 100% new C31N2205 replacement battery is the perfect solution to revive your device. With a high 63Wh capacity and plug-and-play convenience, it delivers reliable, all-day powerideal for work, study, or travel.