From FTL Wiki
If you get one type of augmentation more than once, effects stack - except for the Engi Med-Bot Dispersal (if you get a second one, the new augmentation to be turned to scrap).
|Name||Description||Effect||Purchase price(in brackets is presumed price)||Sale value (in brackets is presumed price)|
|Long-Ranged Scanners||Adds additional info about nearby systems on the star map.||Shows location of ships, shops, and hazards in adjacent systems||30||15|
|Automated Re-Loader||Cooldown between shots is improved by 15 percent. Stacks with itself.||Shots fire 15% faster||40||20|
|Drone Recovery Arm||Non-destroyed drones will be retrieved when jumping, allowing their parts to be reused.||Drone parts are recovered after a battle if the drone was not destroyed||50||25|
|Engi Med-bot Dispersal||Floods the Ship with Engi Nano Medi-bots, Healing the Crew even when they are outside of the Med-Bay as long as the Med-Bay is powered.||Crew members heal in rooms outside the Med-Bay, around 1/4th the speed of base Med-Bay healing. Does not increase with Med-Bay updates.||Can be found in an Engi event. (60)||30|
|Damaged Stasis Pod||This Bizarre Alien Artifact Appears to be Barely Operational. It has no Practical Function but perhaps someone can repair it.||Can be opened by an event to add a new crew member, and start a Quest for a new ship.||Cannot be purchased, found in event.||15|
|Reverse Ion Field||Protects your ship from Ion Damage, Giving a 20 percent chance to negate it entirely.||20% chance to resist Ion Damage||60||(30)|
|Adv. FTL Navigation||Allows the ship to jump to any previously visited beacon.||60||(30)|
|FTL Jammer||Scramble enemy ship's FTL computer doubling the time it takes them to jump.||Doubles enemy jump time||30||(15)|
|Stealth Weapons||Prevents your weapon fire from disrupting your cloak, allowing you to shoot at will while cloaked.||50||25|
|Shield Charge Boosters||Boosts the ship's shield recharge rate by 15 percent.||Shields recharge 15% faster||45||22|
|Scrap Recovery Arm||Allows the ship to collect 10 percent more scrap from any source.||Increases scraps by 10%.
Very useful if acquired early in the game - if possible get more than one.
|FTL Recharge Booster||The ship's FTL Drive powers up 25 percent faster.||FTL Drive charges 25% faster||50||25|
|Weapon Pre-igniter||Weapons are made immediately available after an FTL jump.||All powered weapons are ready to shoot right after FTL jump||120||(60)|
|Zoltan Shield||A unexplained technology creates this nearly impenetrable shield. Only the energy outburst from a FTL engine is powerful enough to recharge it.||5 damage non-rechargeable shield that prevents ship boarding||Cannot be purchased||40|
|Rock Plating||Superior hull armor provides a 15 percent chance to negate incoming hull damage (hit systems will still be damaged)||(80)||40|
|Slug Repair Gel||?||?||?|
|Mantis Pheromones||Your crew's movement speed is increased by 25 percent.||?||?|
|Repair Arm||?||Repair 1 hull every time you pick up scrap, but scrap rewards decreased by 15%||50||25|