Stim Canisters is an item, an ability for BD-1, and a gameplay mechanic in Star Wars Jedi: Fallen Order. Stim Canisters restore partial of the character's health and later on, if upgraded, Stim Canisters can also restore the 'Force' meter. Abilities: Heals Cal. "BD-1 heals Cal with replenishable stim canisters." Guides to find Stim Canister upgrades on each planet that features these secrets. You can have a max of 10 Stim Canisters.