Astrum Laptop Replacement Battery AC14B18J. Features an 11.4V output, 2200mAh capacity, and internal lithium-ion architecture for compatible Acer notebooks.

Power your mobile productivity with the Astrum premium replacement laptop battery, engineered specifically for the Acer Aspire ES1, Chromebook, and TravelMate notebook series. Designed to serve as a direct replacement for degrading, non-charging, or dead internal power packs, this high-performance battery restores your machine's unplugged operational runtime back to factory standards.

Constructed using premium, reliable lithium-ion cells, this battery outputs a stable 11.4V while sustaining a dense 2200mAh capacity for everyday office apps, online learning, web browsing, and multimedia use. The advanced cell technology reduces the risk of memory effect, allowing you to charge and discharge the battery without significant loss of capacity over time. Built with multiple safety safeguards—including protection against overcharging, overheating, and short-circuiting—it arrives safely packaged in a secure retail box. Every unit includes an official Astrum 1-Year Warranty for complete peace of mind.