O2 Concepts Oxlife Liberty2 Battery — Replacement Battery Pack (OEM) Keep moving. Swap in fresh power and restore your Liberty2 runtime. Extend your day with the official Oxlife Liberty2® replacement battery. Whether you’re replacing an aging pack or adding a spare, this OEM battery restores reliable runtime for errands, travel, and daily therapy. It installs tool-free, charges in the device via AC/DC, and supports off-device charging with the single-bay desktop charger—perfect for rotating one battery in use while the other charges. Compatibility: For Oxlife Liberty2® only. Not compatible with Oxlife Independence® or other brands/models. Key Features (at a glance) Feature Detail Compatibility O2 Concepts Oxlife Liberty2® POC Installation Hot-swappable, tool-free Charging In-device (AC/DC) or off-device with single-bay external charger Typical Recharge ~1.5–2.5 hours per battery* Use While Charging Yes (when connected to AC/DC power) Travel Carry-on friendly; follow airline Li-ion rules Warranty 1-year limited (accessory), per manufacturer policy *Recharge time varies with temperature, battery age, and flow setting during charge. What’s in the Box 1× Oxlife Liberty2® Battery Pack (OEM) Battery Runtime — Oxlife Liberty2® (Single Battery) Real-world runtime varies with breathing pattern, altitude, temperature, device/battery age, cannula length, and settings. Use as planning estimates. Pulse Dose (Settings 1–10) Pulse Setting Approx. Runtime 1 ~4.5 h 2 ~3.8–4.0 h 3 ~3.1–3.3 h 4 ~2.6–2.8 h 5 ~2.2–2.4 h 6 ~2.0–2.1 h 7 ~1.8–1.9 h 8 ~1.6–1.7 h 9 ~1.5–1.6 h 10 ~1.4–1.5 h Continuous Flow (0.5–2.0 LPM) Flow Approx. Runtime 0.5 LPM ~2.6–2.8 h 0.75 LPM ~2.2–2.4 h 1.0 LPM ~1.8–2.0 h 1.25 LPM ~1.5–1.7 h 1.5 LPM ~1.3–1.5 h 1.75 LPM ~1.1–1.2 h 2.0 LPM ~1.0–1.1 h Tip: Carry a second battery to double practical runtime for long outings or flight reserves. Charging Time (0–100%) Method Time (per battery) Notes AC wall power (in device) ~1.5–2.5 h Faster at lower flow settings DC vehicle power (in device) ~1.5–2.5 h Keep engine ON while charging Single-bay external charger ~1.5–2.5 h Off-device charging for quick swaps Best practices: Charge between 50–86 °F (10–30 °C), avoid hot cars/sun exposure, rotate batteries regularly. Installation — Quick Steps Power off the Liberty2 and disconnect AC/DC. Open the battery bay; slide the pack in until it clicks. Close the bay, reconnect power if desired, and turn the device on. Confirm charge level on the display. Care & Safety Use OEM chargers/cables only. Do not puncture, crush, immerse, or expose to heat. For storage >30 days, leave at ~40–60% charge and top up every 2–3 months. Recycle spent batteries via approved e-waste programs. Air travel: Carry batteries in cabin luggage and bring enough for total flight time 50% reserve per airline guidance. Compatibility Works with: Oxlife Liberty2® portable oxygen concentrator Not compatible with: Oxlife Independence®, or any other brand/model Unsure about fit? Send us a photo of your device label—we’ll confirm before you buy. Why Buy from American Oxygen Fast replacement on CPO/Open Box units under warranty—no factory wait. Same-day in-store pickup (Doral, FL) with confirmation (Mon–Fri 10–5). Bilingual support (English/Español) via WhatsApp, phone, and chat. Authorized brands: O2 Concepts, Inogen, OxyGo, GCE, , Drive, and more. Responsible guidance (non-clinical) to choose the right accessory the first time. FAQs Is a prescription required?No. This is an accessory. Will this battery fit the Oxlife Independence? No—it is Liberty2-specific. 3. Can I charge off the device?Yes—use the single-bay external charger (sold separately). 4. How do I know it’s time to replace?If runtime drops significantly vs. new or the pack no longer holds charge, it’s time to replace. 5. Does the device run while charging?Yes, when connected to AC or DC power.
