Advanced Energy Bag Supplies Used to heal 2% of a selected Resonator's Max HP, plus an extra 200 HP per second over 30s. Only effective on your own Resonators in Co-op Mode.

Portable liquid supplements filled using an advanced process that provides a quick and easy way to recharge and rejuvenate. “An energy supply in your pocket. A must-have for adventures."
Sources
Synthesis - Potion Making