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Compatibility is verified first; purchase priority explains why the item matters.
DJI's current compatibility list includes Action 3, 4, 5 Pro, and 6 for the 1770 mAh Extreme Battery.
Safety qualification: exact tier-1/2 manufacturer or certification evidence is linked, with no active conflicting evidence.
DJI lists the 1950 mAh Extreme Battery Plus for every Osmo Action model from Action 3 through Action 6.
Safety qualification: exact tier-1/2 manufacturer or certification evidence is linked, with no active conflicting evidence.
DJI lists Battery Case 2 for Action 3 through Action 6 and documents three-battery charging.
Safety qualification: exact tier-1/2 manufacturer or certification evidence is linked, with no active conflicting evidence.
SmallRig · Part 5921
SmallRig lists charger 5921 for batteries used by Action 3, 4, 5 Pro, and 6.
Safety qualification: exact tier-1/2 manufacturer or certification evidence is linked, with no active conflicting evidence.
DJI lists the 0.3-to-1.5 m rod kit for Action 4 and 5 Pro.
DJI lists this organized hard-shell/soft-compartment bag for Action 3, 4, and 5 Pro.
DJI lists the palm-sized tripod rod for Action 4 and 5 Pro.
DJI lists the snap-on ND8/16/32 set for Action 4 and Action 5 Pro.
SmallRig · Part 5411
SmallRig identifies snap-on kit 5411 for the Action 5 Pro and Action 4 lens system.
SmallRig · Part 5917
SmallRig names the bag for the exact Action 6 and Action 5 Pro bodies.
DJI lists the secure 3.5 mm microphone adapter for Action 4, 5 Pro, and 6.
DJI lists the 60 m case for both Action 4 and Action 5 Pro.
DJI lists the chest-and-handlebar kit for Action 3 through Action 6.
DJI lists the dual cold-shoe expansion adapters for Action 4 and 5 Pro.
DJI lists the buoyant protective wrap for Action 4 and Action 5 Pro.
DJI lists the adjustable handlebar mount for every modern Osmo Action body.
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