
Oura Ring 4 Charger - Size 8 - Charging Dock and USB-C Cable - Charges Oura Ring 4 up to 8 Days Standard 8
Overview
The Oura Ring 4 Charger (Size 8) is the official replacement and spare charging dock specifically designed to seat and recharge an Oura Ring 4 in a size 8 form. It’s for Oura Ring 4 owners who need a reliable OEM charging solution—whether replacing a lost dock, keeping a spare at work or travel bags, or gifting to another ring user. The dock delivers a fast top-up in roughly 20–80 minutes depending on battery state, and includes a USB-C to USB-C cable; it requires an external 5V DC power source that complies with IEC 62368-1. Because the dock is shaped for size 8 rings, it holds the ring securely for consistent contact and quick charging cycles that can support up to about eight days of ring use per full charge, depending on usage.
Key Features
- Size-specific charging dock: physical cradle shaped to securely hold an Oura Ring 4 in size 8 for consistent contact during charging.
- Included USB-C to USB-C cable: standard USB-C connection for modern chargers and power banks (cable included; adapter typically not).
- Fast charge window: ring typically reaches a full charge in about 20–80 minutes depending on remaining battery level.
- Power requirements: intended to be used with an external 5V DC supply that complies with IEC 62368-1 safety standards.
- Compact, travel-friendly footprint: low-profile cradle that fits easily into a travel case or small pouch for on-the-go recharging.
Pros & Cons
Pros
- Official Oura-branded dock ensures correct fit and reliable charging contact for Oura Ring 4 (size 8).
- Fast recharge time—typically completes in 20–80 minutes depending on starting battery level.
- Includes USB-C to USB-C cable so you only need a compatible 5V DC power source (IEC 62368-1 compliant) to get started.
- Compact, low-profile design that’s easy to carry in a travel case, desk drawer or gym bag.
- Provides a full charge that supports up to approximately 8 days of ring use (actual runtime varies with features and usage).
Cons
- Designed specifically for Oura Ring 4 and physically sized for size 8—won’t seat other ring sizes securely.
- Requires an external 5V DC USB-C power supply; a wall adapter is not included in many retail packages.
- Not a universal charger—different Oura generations or third-party rings may have incompatible contact designs.
- As an OEM accessory, replacement cost can be higher than generic or third-party charging solutions.
Recommendations
- Buy as a replacement if your original Oura Ring 4 charger was lost or damaged—ensures proper fit and safe charging.
- Keep a second charger in your travel bag or luggage so you can top up while away from home without carrying the original charger back and forth.
- Keep one at work or in a gym bag for convenient daily top-ups and to avoid forgetting the main charger at home.
- Gift to an Oura Ring 4 owner who wears size 8 (helpful for people who like a spare or travel charger).
Frequently Asked Questions
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