Rechargeable Portable Oxygen Concentrator 1L To 5L Flow

Rechargeable Portable Oxygen Concentrator OC18 — a lightweight, versatile solution for reliable oxygen on the go. Engineered for outdoor adventures, plateau trips, car travel, and everyday use, this compact device delivers steady, clean oxygen with the convenience of a long-lasting battery and a carry bag designed for easy travel. Weighing about 1.81 kg, it combines portability with dependable performance to support you wherever you need it.

With adjustable flow from 1 to 5 liters per minute and a stable oxygen concentration of 93±3%, you can tailor your therapy to your needs while enjoying consistent delivery across all settings. The OC18 features a dual oxygen supply mode: a pulse oxygen supply triggered by your breathing and an automatic switch to a continuous supply (approximately every 3 seconds) if no breathing is detected for more than 10 seconds. The built-in breathing sensor also flashes a “breathing signal” light to confirm oxygen delivery in real time, giving you peace of mind during therapy.

The OC18 leads the way in convenience with a large-capacity removable battery (6600mAh / 95Wh) that provides 4–5 hours of runtime. It’s easily detached in just three steps and recharged quickly with the Type-C fast charging interface, taking only about 2 hours to full. The battery is designed for simple maintenance and quick swaps for uninterrupted oxygen when you’re away from power outlets.

Built for safety and reliability, the device includes a smart alarm system that alerts you to low battery, no breathing detected, low oxygen concentration, or high temperature. It also offers an automatic shutdown timer (1–240 minutes) for safe, convenient overnight use or timed therapy sessions. Clean, purified oxygen is ensured by high-quality CECA molecular sieves, with a reusable filter cotton included to reduce ongoing maintenance costs. If you need extra filter cotton, our store team is ready to assist.

Benefits & Tips

• Take it anywhere: the included multifunctional carrying bag supports handheld, single-shoulder, or dual-shoulder use for outdoor, plateau, car, or travel oxygen therapy.
• Customize your therapy: adjust flow from 1–5 L/min and rely on a stable 93±3% oxygen concentration at every level.
• Easy care and quick recharging: removable battery, 2-hour full charge, and a reusable filter cotton for cost-effective maintenance.

Product Specifications

• Brand: DOCTODD
• Model: OC18
• Oxygen concentration: 93% ± 3%
• Rated oxygen flow: 1–5 L/min (stable 93% at each level)
• Weight: 1.81 kg
• Battery: 6600 mAh / 95 Wh, removable
• Battery life: 4–5 hours (typical usage)
• Charging: Type-C fast charging, ~2 hours to full
• Supply modes: Pulse oxygen supply with breathing sensor; auto continuous mode if no breath detected for >10 seconds
• Sensors/Alerts: Breathing signal indicator, smart alarms for battery, breathing, oxygen concentration, and temperature
• Filtration: CECA molecular sieves with reusable filter cotton
• Auto shutdown timer: 1–240 minutes
• Origin: China
• Certification: CE

Package Includes

• 1 x Rechargeable Portable Oxygen Concentrator OC18
• 1 x 6600mAh / 95Wh removable battery
• 1 x Filter cotton (reusable)
• 1 x Multifunctional carrying bag

Warnings / Reminders

• Ensure the device is used within the recommended flow range (1–5 L/min) and follow care instructions for the filter cotton.
• Use the automatic shutdown timer to manage session length and monitor the smart alarm indicators for safe operation.
• Keep the device away from extreme heat and moisture; use the built-in alarms as guidance for safe therapy.

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