When I was doing pre-sales work, I also brought the following: * Marketing collaterals - books, whitepapers * Portable handphone battery/charger * Extra lapt

When I was doing pre-sales work, I also brought the following: * Marketing collaterals - books, whitepapers * Portable handphone battery/charger * Extra laptop battery * Ethernet cable * CDRs * Markers * Adapter for laptop-projector * Remote control for presentation