My brother plays an inventor and hes machine goes down a bunch. Let’s help him stay in the fight.

Reactive Battery Item 4

Uncommon Alchemical
Price 75 gp
Usage attached; Bulk 1

---

Designed to revive the fallen, this device provides jolt of electric charge to a construct giving it just enough energy to jump back into the fight.

Activate  reaction; Trigger the construct is reduced to zero hit points;  Frequency once per day Effect After the current creatures turn or reaction, the construct is revived with 1/8 its hit points.

Reactive Battery Item 8

Uncommon Alchemical
Price 415 gp
Usage attached; Bulk 1

As per the level 4, but the construct is revived to 1/4 its hit points.

Reactive Battery Item 12

Uncommon Alchemical
Price 8000 gp
Usage attached; Bulk 1

As per the level 4, but the construct is revived to 1/2 its hit points.