HUNK is playable in the Mercenaries minigame in Resident Evil 4, but has no relation to the story. HUNK appears as a side character in Resident Evil: Operation Raccoon City, where he works with other Umbrella Security Service operatives to recover a sample of the G-virus prior to the events of Resident Evil 2. He is also a playable character in Resident Evil: The Mercenaries 3D and Resident Evil Revelations.
Nowadays most laptops has a battery life of about 4 hours. Old ones bought in the 2000~2004 Last about 2 hours.
Laptops are subject to more abuse than desktops, which is why laptops have shorter lifespans. If the average laptop made today were placed in a clean, well ventilated room, it could likely run for 10 years without problem if no one touched it. A desktop would probably last 15 years without problem in the same condition.