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What battery does an Xfinity remote use?
Most Xfinity remotes take an AA (1.5 V alkaline cylindrical battery). Some use AAA instead. Slide off the back cover to see the battery size printed in the compartment.
| Battery | How common | Size | Volts | Capacity |
|---|---|---|---|---|
| AA | Most common | 14.5 mm × 50.5 mm | 1.5 V | ≈ 2,700 mAh |
| AAA | Also used | 10.5 mm × 44.5 mm | 1.5 V | ≈ 1,150 mAh |
Xfinity Remote battery: what to know
- Most Xfinity voice remotes (such as the XR11 and XR15) take two AA batteries.
- Some smaller Xfinity remotes take AAA batteries.
- After changing batteries, a voice remote may need to be re-paired with the TV box.
How to check which battery your Xfinity remote takes
Slide off the back cover to see the battery size printed in the compartment. Battery codes are printed on the flat face of coin and button cells and along the side of AA, AAA and 9V batteries. Match the code exactly: a cell that looks similar can be a different thickness or voltage; see the AA page for safe swaps.
AA: Lithium AA (FR6, about 3,000–3,500 mAh) lasts longer in cold weather and high-drain devices. NiMH rechargeable AA (HR6) is 1.2 V and 1,900–2,800 mAh.
AAA: NiMH rechargeable AAA (HR03) is 1.2 V and 800–1,100 mAh. Lithium AAA (FR03) lasts longer in cold and high-drain use.