These are the seven accessories that actually hold up in regular use, no gimmicks, no accessories that exist only to fill a gift guide slot.
Freewell All Day 6-Pack ND Filters ($50)
The most important upgrade you can make to the Mini 3's footage quality. The 180-degree shutter rule matters more than most new pilots realize, and the ND8 and ND16 will cover the majority of real shooting conditions. Buy this before anything else.
DJI Mini 3 Intelligent Flight Battery ($65)
An extra battery doubles a 30-minute session to 60 minutes of actual flying, that's the difference between getting the shot and not getting it. The official DJI version costs more, but it works across the Mini 3, Mini 3 Pro, and Mini 4 Pro without compatibility headaches.
DJI 30W Two-Way Charging Hub ($49)
Makes multiple batteries manageable without juggling cables. Sequential charging means it's not fast, but it's hands-off. The power bank function is a real bonus on field shoots.
Skyreat Mini 3 Pro Carrying Case ($30)
Fits the drone, controller, three batteries, and cables in one organized package. The shoulder strap makes it comfortable for longer walks. PU leather won't last forever, but at $30 you can replace it without feeling it.
PGYTECH Landing Pad Pro V2 ($25)
Underrated and cheap. Launching and landing on grass, gravel, or sand blows debris into the gimbal and motor gaps. The landing pad eliminates that. Folds to 25x17cm, stakes down in wind, and doubles as an orientation reference from altitude.
STARTRC Propeller Guards ($12)
Not for outdoor flying in open space. For indoor practice, first flights in tight areas, and beginner pilots still building spatial awareness, they're cheap and effective. Check the added weight against your local registration threshold before using outdoors.
STARTRC Mini 3 RC Sun Hood ($27)
Only relevant if you have the DJI RC controller with the built-in screen (not the RC-N1 that pairs with your phone). In direct sunlight, the RC screen is almost unreadable without it. The joystick protector covers are a useful bonus for transport.