DESC: Suitable for both office and on-the-go use, the TravelMate® 4500 strikes just the right balance between performance and mobility. Connect to workplace peripherals in one easy step with the optional EasyPort Port Replicator III. On the road, expect up to five hours of battery life (depending on configuration and usage) from this 6.5-pound notebook. And should you want to cut the weight, the modular optical drive is easily removed.