{"product_id":"rhythm-p2-s4-double-battery","title":"Rhythm P2-S4 Double Battery","description":"\u003ch2\u003eRhythm P2-S4 Double Lithium-Ion Battery – Extended Runtime Replacement \/ Spare\u003c\/h2\u003e\n\u003cp\u003eExtend your freedom and mobility with the official \u003cstrong\u003eRhythm P2-S4 Double Lithium-Ion Battery\u003c\/strong\u003e. Designed specifically for the Rhythm P2-S4 Portable Oxygen Concentrator, this double battery pack delivers significantly longer runtime while keeping your unit lightweight and portable for all-day use, travel, and active adventures.\u003c\/p\u003e\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Power\u003c\/strong\u003e: Provides up to \u003cstrong\u003e4.8 hours\u003c\/strong\u003e of runtime on setting 1 (approx. 3.5 hours on setting 2, 2.5 hours on setting 3, and 2 hours on setting 4). Ideal for longer outings, travel, or full-day activities.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Capacity Lithium-Ion Technology\u003c\/strong\u003e: Rated at \u003cstrong\u003e6,800 mAh\u003c\/strong\u003e. Recharges in approximately \u003cstrong\u003e3–4 hours\u003c\/strong\u003e using the AC adapter (or compatible external charger).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight \u0026amp; Portable\u003c\/strong\u003e: Adds minimal weight while maximizing runtime. Keeps your P2-S4 highly portable (approximately 4 lbs total with double battery attached).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Installation\u003c\/strong\u003e: Simply slide the double battery pack into place on your P2-S4 until it clicks securely. No tools required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable \u0026amp; FAA-Compliant\u003c\/strong\u003e: Meets the same high safety and performance standards as your original battery – perfect for air travel and daily use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine OEM Quality\u003c\/strong\u003e: Official Rhythm Healthcare replacement (part # S3BY001D) – ensures perfect fit, safety, and optimal performance with your P2-S4.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUsers who need longer battery life for extended time away from power sources\u003c\/li\u003e\n\u003cli\u003eTravel, daily errands, work, or outdoor activities\u003c\/li\u003e\n\u003cli\u003eThose wanting the perfect balance between runtime and portability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote\u003c\/strong\u003e: This listing is for the \u003cstrong\u003eDouble Battery only\u003c\/strong\u003e. Single and Triple battery options are also available.\u003c\/p\u003e\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Rhythm P2-S4 Double Lithium-Ion Battery Pack\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eSpecifically designed for the Rhythm P2-S4 Portable Oxygen Concentrator\u003c\/p\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003cp\u003eMatches manufacturer standards. Please check with your retailer for details.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePower your active life with confidence\u003c\/strong\u003e — order your Rhythm P2-S4 Double Battery today for extended freedom and reliable oxygen therapy on the go!\u003c\/p\u003e","brand":"Rhythm","offers":[{"title":"Default Title","offer_id":48374179725504,"sku":"SHOP-S3BY001D","price":249.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0471\/0128\/0415\/files\/Screenshot_2026-06-06_114627.png?v=1780764601","url":"https:\/\/mainclinicsupply.com\/es\/products\/rhythm-p2-s4-double-battery","provider":"Main Clinic Supply","version":"1.0","type":"link"}