The Old Battlefield is probably the third location you will visit to salvage from.

It has the low cost per salvage and semi-low energy requirements for salvage.

In the Old Battlefield you can currently salvage the following items.

Old Battlefield (West)Edit

Moleculegreen Key to the Underworld Hidden
Tread Treads Very Rare
Hardalloy Hardened Alloy Common
Canon Cannon Very Rare
Gyroscope Gyroscope Very Rare

Old Battlefield (East)Edit

Lipstick2 Lustrous Lipstick Hidden
Alloy Alloy Plating Very Abundant
Security Security Clearance Very Rare
Hardalloy Hardened Alloy Common

There is also one premium salvage available at this location.

Old Battlefield (Premium)Edit

Security Security Clearance L5 Rare
Security Security Clearance Rare
Gyroscope Gyroscope Rare
Canon Cannon Rare
Hardalloy Hardened Alloy Abundant

RoboWiki: Salvage Locations
Junkyard | Desert | Old Battlefield | Sunken Ship | Space Station | Paleo Robotico | Underwater Laboratory | The Badlands | Nebula B-364 | Ruins of the Megalons | Underworld | Magmos | Old Timey Robotico | Dreamboat | Center of Planet Robotico | Robotico Museum | Warhawk Battleground | Robotico Store | Friend Salvage