The Acer Laptop Battery 3550mAh, 3-Cell High Quality Battery is a reliable replacement designed for Acer AP16A4K models, compatible with Aspire One Cloudbook AO1-132 and Swift 1 SF113-31 Series laptops. Built using premium-grade lithium-ion cells, this battery ensures stable performance, efficient power delivery, and extended backup time. Its lightweight 3-cell design offers excellent portability without compromising on durability. Equipped with advanced protection features against overcharging, overheating, and short-circuiting, it guarantees safe and long-lasting performance — ideal for students, professionals, and everyday laptop users seeking consistent reliability and power efficiency.