Acer Aspire 2300 / 1692 / TravelMate 4000 Laptop Battery Replacement (14.8V 4400mAh 8-Cell Li-ion)

This Acer AQJ1 / 2300 / 1692 / TM4000 replacement battery is designed for older Acer Aspire and TravelMate laptops, delivering a stable 14.8V output with approximately 4400mAh capacity for dependable everyday use such as office work, browsing, and light computing tasks. It is commonly compatible with Acer Aspire 1410, 1680, 1690, 1691, 1692 series and TravelMate 2300, 4000, 4500 series models that share the same battery platform and part numbers such as LC.BTP03.003 and related equivalents. The 8-cell lithium-ion design ensures consistent energy delivery, long cycle life, and reliable performance, making it a suitable replacement for worn-out or faulty original batteries while ensuring safe operation through built-in protection against overcharging, overheating, and short circuits.