Battery for the P2 Rhythm Portable Oxygen Concentrator DiamondRX

Need the item delivered quickly? Look for this icon, which indicates that the item is usually in stock and can be delivered promptly by one of our Diamond technicians on a stat basis (often within the same day). Please note that an additional charge may apply for this service. For more information, please contact our support line at (800) 977-3002.

We're happy to offer FREE standard ground shipping* for all orders over $50 within the continental United States. Most items will arrive at your doorstep within 3-5 business days after you place your order. However, larger items such as scooters, lift chairs, power wheelchairs (excluding travel and folding power chairs), scooter and wheelchair lifts, patient lifts, and some non-folding wheelchairs will be shipped via a freight company and may take 5-7 business days to arrive.

We are pleased to offer White Glove Delivery for this product. With this service, we will deliver your product to your home at a time that works for you. Our team will carefully inspect and test the product, and then place it where you prefer. We'll also take the time to explain how to operate the device safely and properly. And to make things even easier, we'll remove all packaging materials from your home when we're done.