The Mac Specialistindependent accessory compatibility lab

Apple Watch · Magnetic charger · 2025

Accessories for Apple Watch Ultra 3

Apple Watch Ultra 3 has a 49mm case and takes 49mm straps or 44/45/46mm straps (Apple advises the latter for casual wear only). It fast-charges on Apple's magnetic fast charger with an 18W+ USB-C adapter.

Show everything, including what won’t work

Chargers & power adapters 9

All chargers & power adapters for Apple Watch Ultra 3

MagSafe & Qi2 chargers 5

All magsafe & qi2 chargers for Apple Watch Ultra 3

Power banks 2

All power banks for Apple Watch Ultra 3

Apple Watch bands & chargers 6

All apple watch bands & chargers for Apple Watch Ultra 3

Travel kits 4

All travel kits for Apple Watch Ultra 3

Cleaning kits 1

All cleaning kits for Apple Watch Ultra 3

76 accessories we list that won’t work with Apple Watch Ultra 3

Badges are worked out from Apple Watch Ultra 3’s specs as Apple lists them and each product’s maker information. Always check the maker’s compatibility list before you buy — how we check.