{"product_id":"genuine-ba-400-1400-2010-4-battery-for-inogen-g4-oxygo-fit-1400-2000-1400-2030","title":"BA-400 1400-2010-4 Battery Replacement for Inogen G4 OxyGo FIT 1400-2000 1400-2030","description":"\u003ch2\u003e\u003cspan\u003eGenuine BA-400 vs. Generic: How to Choose the Right Replacement Battery for Your Inogen G4 \u0026amp; OxyGo FIT\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003e\u003cspan class=\"split-para result-para result__para__p-0-1 suggestion_paragraphs complete\" id=\"p-0-1\" data-key=\"p-0-1\" data-para=\"result__para__p-0-1\"\u003e\u003cb\u003eYou are already aware that the battery of your\u003c\/b\u003e OxyGo FIT \u003cb\u003eor Inogen G4 \u003c\/b\u003eportable oxygen concentrator gives you \u003cb\u003ethe independence\u003c\/b\u003e to \u003cb\u003ego about\u003c\/b\u003e your day without being \u003cb\u003econnected\u003c\/b\u003e to a wall outlet.\u003c\/span\u003e \u003cspan class=\"split-para result-para result__para__p-1-2 suggestion_paragraphs complete\" id=\"p-1-2\" data-key=\"p-1-2\" data-para=\"result__para__p-1-2\"\u003e\u003cb\u003eYou have\u003c\/b\u003e the familiar \u003cb\u003eoption of paying the\u003c\/b\u003e full OEM price, \u003cb\u003etaking a chance\u003c\/b\u003e on a \u003cb\u003elow-cost\u003c\/b\u003e generic, or \u003cb\u003eseeking\u003c\/b\u003e a \u003cb\u003ereal-\u003c\/b\u003espec replacement that \u003cb\u003eoffers\u003c\/b\u003e reliability without the \u003cb\u003epremium when the original battery begins to run out of power or you just need a backup to get you through longer trips\u003c\/b\u003e.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eThis guide walks you through the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eBA-400\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e battery (also known as \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1400-2010-4\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e), what makes it different from generic alternatives, and how to pick the right one for your lifestyle.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0729\/8957\/3220\/files\/200_5ea73150-992b-4d2c-81a5-4fb517ac1771.jpg?v=1780633994\" alt=\"Genuine BA-400 1400-2010-4 Battery Replacement for Inogen G4 OxyGo FIT 1400-2000 1400-2030\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eWhat Exactly Is the BA‑400 Battery?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eBA‑400\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is the standard lithium‑ion battery pack designed for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eInogen G4\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eOxyGo FIT\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e portable oxygen concentrators. It’s also sold under part numbers \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1400-2010-4\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1400-2000\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, and \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1400-2030\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e—all referring to the same physical battery with identical electrical specifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eValue\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel \/ Part Numbers\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBA-400, 1400-2010-4, 1400-2000, 1400-2030\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eChemistry\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLithium‑ion\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVoltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e14.54 V nominal\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCapacity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.5 Ah (approx. 50.9 Wh)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCompatibility\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eInogen G4, OxyGo FIT, and other devices that use the BA‑400 battery\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSafety Features\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOver‑charge, over‑discharge, short‑circuit protection\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eThis battery powers your device at various flow settings—typically providing several hours of runtime depending on the setting and your breathing rate.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eGenuine‑Spec BA‑400 vs. OEM vs. Generic: What’s the Difference?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0729\/8957\/3220\/files\/201_a01619ff-732a-4a4e-860d-6505e061bd75.jpg?v=1780634021\" alt=\"Genuine BA-400 1400-2010-4 Battery Replacement for Inogen G4 OxyGo FIT 1400-2000 1400-2030\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eNot all “compatible” BA‑400 batteries are created equal. Here’s what actually separates a reliable replacement from one that may leave you stranded.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eFactor\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eGenuine‑Spec Replacement (BA‑400)\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eOEM (Original Inogen \/ OxyGo)\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eTypical Generic \/ No‑Name\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eCell Quality\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOEM‑matched cells with consistent capacity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOriginal manufacturer cells\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUnknown or recycled cells; capacity often overstated\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eProtection Circuit\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFull PCM (over‑voltage, under‑voltage, short‑circuit, temperature protection)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFull protection\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMinimal or no protection; higher risk of swelling or failure\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eDevice Communication\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAccurate fuel gauge; device shows true remaining runtime\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAccurate\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMay show incorrect charge level or fail to communicate\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eFit \u0026amp; Connector\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eExact fit, clicks in securely\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eExact fit\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMay be slightly loose or require force; connector quality varies\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eLongevity\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e400–500+ cycles while maintaining \u0026gt;80% capacity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e400–500+ cycles\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOften fails within 3–9 months\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003ePrice\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eModerate (sweet spot)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHighest (often 2–3×)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLowest but risky\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cblockquote\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eImportant\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eFor a medical device you depend on daily, a battery failure is more than an inconvenience—it can disrupt your oxygen therapy when you’re away from home. The few dollars saved on a generic are easily outweighed by a single unexpected shutdown.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch2\u003e\u003cspan\u003eOne Battery vs. Two: How to Match Your Daily Routine\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eMost portable oxygen concentrator users fall into one of three patterns. Which one looks like your day?\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0729\/8957\/3220\/files\/202_4fc9bc7e-e209-495c-8191-4639b9c9bbc0.jpg?v=1780634049\" alt=\"Genuine BA-400 1400-2010-4 Battery Replacement for Inogen G4 OxyGo FIT 1400-2000 1400-2030\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eUsage Pattern\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eOne BA‑400 Battery\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eTwo Batteries (One Spare)\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShort outings (\u0026lt; 3 hours), home most of the day\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e✔ Works fine\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOptional, but nice for peace of mind\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFull day out (6–10 hours)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMay require mid‑day charging\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e✔ Swap and go; no downtime\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTravel (flights, all‑day trips)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRisky if flight is delayed\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e✔ Essential for uninterrupted use\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBackup for multiple users \/ devices\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot enough\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e✔ Keeps both devices ready\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eFor anyone who uses their POC as their primary source of oxygen outside the home, having a spare battery is less of a luxury and more of a safety margin. The cost of one spare BA‑400 is typically less than a single day’s rental of backup equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan\u003eHow to Identify a Reliable BA‑400 Replacement\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eBased on feedback from respiratory therapists and DME suppliers, here are three things to look for when buying a replacement BA‑400 battery:\u003c\/span\u003e\u003c\/p\u003e\n\u003col start=\"1\"\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eExact Part Number Match\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe battery should clearly list \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eBA‑400\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1400-2010-4\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1400-2000\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, or \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1400-2030\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. If it says “fits Inogen G4” but doesn’t include these numbers, it’s likely a generic that may not communicate properly with your device.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eBuilt‑in Safety Protection\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eLook for a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePCM (protection circuit module)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e that guards against over‑voltage, under‑voltage, short circuit, and overheating. This is critical for lithium‑ion batteries used in medical devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eFresh Stock \u0026amp; Warranty\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eLithium‑ion cells degrade even when sitting on a shelf. A trustworthy supplier will provide a manufacturing date (or at least guarantee freshness within the last 12 months) and offer a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12–18 month warranty\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Avoid “clearance” deals on batteries that may have been sitting for years.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003e\u003cspan\u003eWhat Does a Genuine BA‑400 Replacement Cost?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0729\/8957\/3220\/files\/203_0872f6b7-093e-481a-b20b-88f8a7295d95.jpg?v=1780634077\" alt=\"Genuine BA-400 1400-2010-4 Battery Replacement for Inogen G4 OxyGo FIT 1400-2000 1400-2030\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003ePricing for POC batteries varies widely depending on the source and the level of authenticity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSource\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eTypical Price Range (USD)\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eWhat You Get\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOEM (Inogen \/ OxyGo direct)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e$250 – $350+\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGenuine, but with full retail markup\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eThird‑party “Compatible”\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e$50 – $100\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUnknown cells; often no safety certification; short lifespan\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGenuine‑Spec Replacement \u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003e$100 – $150\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOEM‑matched cells, protection circuit, full compatibility, warranty\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eQ: Will this BA‑400 work with both my Inogen G4 and OxyGo FIT?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eYes.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The BA‑400 is the standard battery for both the Inogen G4 and OxyGo FIT. It also replaces part numbers 1400-2000, 1400-2010-4, and 1400-2030. If your device originally used any of those batteries, this is a direct drop‑in replacement.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eQ: How long does a BA‑400 battery last on a single charge?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eIt depends on your flow setting and breathing rate.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e On a setting of 1–2 (continuous or pulse), users typically get \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e3–6 hours\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Higher settings or faster breathing will reduce runtime. This genuine‑spec battery meets the original runtime specifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eQ: How do I know if my battery is failing?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eCommon signs: the device shows a full charge but dies quickly, the battery doesn’t charge fully, or you see a “battery error” message. If your original battery is more than two years old or has been used daily, it’s likely due for replacement.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eQ: Is it safe to buy a BA‑400 battery from a third party?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eYes, if the battery is genuine‑spec.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The key is to ensure it uses OEM‑matched cells, includes a full protection circuit, and comes from a supplier that offers a warranty. Avoid sellers who can’t provide those details or who price their batteries suspiciously low.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eQ: Can I travel with a spare BA‑400 on an airplane?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eYes.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e FAA regulations allow spare lithium‑ion batteries for medical devices in carry‑on luggage. Keep them in their original packaging or cover the contacts to prevent short circuits. Check with your airline for any specific policies, but a spare BA‑400 is typically allowed.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eReady to Get Back to Uninterrupted Freedom?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eDon’t let a tired battery limit your day. This \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003egenuine BA‑400 replacement\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e gives you the same performance and safety as the original—at a price that makes having a spare (or replacing an aging one) a simple decision.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0729\/8957\/3220\/files\/204_018b18ac-24dd-4132-aab0-d1a9acd26885.jpg?v=1780634106\" alt=\"Genuine BA-400 1400-2010-4 Battery Replacement for Inogen G4 OxyGo FIT 1400-2000 1400-2030\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eClick ‘Add to Cart’—and get back to living your day without worrying about your next charge.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"ACCESSORIES-MALL","offers":[{"title":"1 PCS","offer_id":48106776330340,"sku":"BA-400","price":289.99,"currency_code":"USD","in_stock":true},{"title":"2 PCS","offer_id":48106776363108,"sku":"BA-401","price":519.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/8957\/3220\/files\/dji-airba400.jpg?v=1774332564","url":"https:\/\/accessories-mall.com\/products\/genuine-ba-400-1400-2010-4-battery-for-inogen-g4-oxygo-fit-1400-2000-1400-2030","provider":"Accessories-Mall","version":"1.0","type":"link"}