Tesla Coil

Is dealt to nearby enemies. Stops stacking after 3, at a max of 220% damage.

Tactics
In order for the Tesla Coil to activate and do passive damage, the player must be in close range of the enemies. Tesla coil will generally help characters that are close-ranged like the Miner, the Mercenary and Acrid. Although all characters will benefit from the item.

Jumping around while attacking will help dodge enemy attacks while the Tesla coil works its magic.

Character Synergies
The Miner, Mercenary, Loader, Acrid, and HAN-D are great choices to use with, due to their melee attacks and up-close tactics and move-set.

Item Synergies
Works great with Barbed Wire, Chargefield Generator, Frost Relic, and in some cases Repulsion Armor.

Trivia

 * The Tesla Coil's description could be a loose reference to the donation fundraised to build a Tesla museum on the former's old laboratory, by the internet artist "The Oatmeal"

Bugs
Damages Happiest Mask's ghosts, being the only negative effect for this item. This seems to be a glitch and not intended by the developers.