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BA-400 1400-2010-4 Battery Replacement for Inogen G4 OxyGo FIT 1400-2000 1400-2030
BA-400 1400-2010-4 Battery Replacement for Inogen G4 OxyGo FIT 1400-2000 1400-2030
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Genuine BA-400 vs. Generic: How to Choose the Right Replacement Battery for Your Inogen G4 & OxyGo FIT
You are already aware that the battery of your OxyGo FIT or Inogen G4 portable oxygen concentrator gives you the independence to go about your day without being connected to a wall outlet. You have the familiar option of paying the full OEM price, taking a chance on a low-cost generic, or seeking a real-spec replacement that offers reliability without the premium when the original battery begins to run out of power or you just need a backup to get you through longer trips.
This guide walks you through the BA-400 battery (also known as 1400-2010-4), what makes it different from generic alternatives, and how to pick the right one for your lifestyle.
What Exactly Is the BA‑400 Battery?
The BA‑400 is the standard lithium‑ion battery pack designed for Inogen G4 and OxyGo FIT portable oxygen concentrators. It’s also sold under part numbers 1400-2010-4, 1400-2000, and 1400-2030—all referring to the same physical battery with identical electrical specifications.
| Specification | Value |
|---|---|
| Model / Part Numbers | BA-400, 1400-2010-4, 1400-2000, 1400-2030 |
| Chemistry | Lithium‑ion |
| Voltage | 14.54 V nominal |
| Capacity | 3.5 Ah (approx. 50.9 Wh) |
| Compatibility | Inogen G4, OxyGo FIT, and other devices that use the BA‑400 battery |
| Safety Features | Over‑charge, over‑discharge, short‑circuit protection |
This battery powers your device at various flow settings—typically providing several hours of runtime depending on the setting and your breathing rate.
Genuine‑Spec BA‑400 vs. OEM vs. Generic: What’s the Difference?
Not all “compatible” BA‑400 batteries are created equal. Here’s what actually separates a reliable replacement from one that may leave you stranded.
| Factor | Genuine‑Spec Replacement (BA‑400) | OEM (Original Inogen / OxyGo) | Typical Generic / No‑Name |
|---|---|---|---|
| Cell Quality | OEM‑matched cells with consistent capacity | Original manufacturer cells | Unknown or recycled cells; capacity often overstated |
| Protection Circuit | Full PCM (over‑voltage, under‑voltage, short‑circuit, temperature protection) | Full protection | Minimal or no protection; higher risk of swelling or failure |
| Device Communication | Accurate fuel gauge; device shows true remaining runtime | Accurate | May show incorrect charge level or fail to communicate |
| Fit & Connector | Exact fit, clicks in securely | Exact fit | May be slightly loose or require force; connector quality varies |
| Longevity | 400–500+ cycles while maintaining >80% capacity | 400–500+ cycles | Often fails within 3–9 months |
| Price | Moderate (sweet spot) | Highest (often 2–3×) | Lowest but risky |
Important
For 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.
One Battery vs. Two: How to Match Your Daily Routine
Most portable oxygen concentrator users fall into one of three patterns. Which one looks like your day?
| Usage Pattern | One BA‑400 Battery | Two Batteries (One Spare) |
|---|---|---|
| Short outings (< 3 hours), home most of the day | ✔ Works fine | Optional, but nice for peace of mind |
| Full day out (6–10 hours) | May require mid‑day charging | ✔ Swap and go; no downtime |
| Travel (flights, all‑day trips) | Risky if flight is delayed | ✔ Essential for uninterrupted use |
| Backup for multiple users / devices | Not enough | ✔ Keeps both devices ready |
For 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.
How to Identify a Reliable BA‑400 Replacement
Based on feedback from respiratory therapists and DME suppliers, here are three things to look for when buying a replacement BA‑400 battery:
-
Exact Part Number Match
The battery should clearly list BA‑400, 1400-2010-4, 1400-2000, or 1400-2030. 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. -
Built‑in Safety Protection
Look for a PCM (protection circuit module) that guards against over‑voltage, under‑voltage, short circuit, and overheating. This is critical for lithium‑ion batteries used in medical devices. -
Fresh Stock & Warranty
Lithium‑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 12–18 month warranty. Avoid “clearance” deals on batteries that may have been sitting for years.
What Does a Genuine BA‑400 Replacement Cost?
Pricing for POC batteries varies widely depending on the source and the level of authenticity.
| Source | Typical Price Range (USD) | What You Get |
|---|---|---|
| OEM (Inogen / OxyGo direct) | $250 – $350+ | Genuine, but with full retail markup |
| Third‑party “Compatible” | $50 – $100 | Unknown cells; often no safety certification; short lifespan |
| Genuine‑Spec Replacement | $100 – $150 | OEM‑matched cells, protection circuit, full compatibility, warranty |
Frequently Asked Questions
Q: Will this BA‑400 work with both my Inogen G4 and OxyGo FIT?
Yes. 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.
Q: How long does a BA‑400 battery last on a single charge?
It depends on your flow setting and breathing rate. On a setting of 1–2 (continuous or pulse), users typically get 3–6 hours. Higher settings or faster breathing will reduce runtime. This genuine‑spec battery meets the original runtime specifications.
Q: How do I know if my battery is failing?
Common 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.
Q: Is it safe to buy a BA‑400 battery from a third party?
Yes, if the battery is genuine‑spec. 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.
Q: Can I travel with a spare BA‑400 on an airplane?
Yes. 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.
Ready to Get Back to Uninterrupted Freedom?
Don’t let a tired battery limit your day. This genuine BA‑400 replacement 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.
Click ‘Add to Cart’—and get back to living your day without worrying about your next charge.
Genuine BA-400 vs. Generic: How to Choose the Right Replacement Battery for Your Inogen G4 & OxyGo FIT
You are already aware that the battery of your OxyGo FIT or Inogen G4 portable oxygen concentrator gives you the independence to go about your day without being connected to a wall outlet. You have the familiar option of paying the full OEM price, taking a chance on a low-cost generic, or seeking a real-spec replacement that offers reliability without the premium when the original battery begins to run out of power or you just need a backup to get you through longer trips.
This guide walks you through the BA-400 battery (also known as 1400-2010-4), what makes it different from generic alternatives, and how to pick the right one for your lifestyle.
What Exactly Is the BA‑400 Battery?
The BA‑400 is the standard lithium‑ion battery pack designed for Inogen G4 and OxyGo FIT portable oxygen concentrators. It’s also sold under part numbers 1400-2010-4, 1400-2000, and 1400-2030—all referring to the same physical battery with identical electrical specifications.
| Specification | Value |
|---|---|
| Model / Part Numbers | BA-400, 1400-2010-4, 1400-2000, 1400-2030 |
| Chemistry | Lithium‑ion |
| Voltage | 14.54 V nominal |
| Capacity | 3.5 Ah (approx. 50.9 Wh) |
| Compatibility | Inogen G4, OxyGo FIT, and other devices that use the BA‑400 battery |
| Safety Features | Over‑charge, over‑discharge, short‑circuit protection |
This battery powers your device at various flow settings—typically providing several hours of runtime depending on the setting and your breathing rate.
Genuine‑Spec BA‑400 vs. OEM vs. Generic: What’s the Difference?
Not all “compatible” BA‑400 batteries are created equal. Here’s what actually separates a reliable replacement from one that may leave you stranded.
| Factor | Genuine‑Spec Replacement (BA‑400) | OEM (Original Inogen / OxyGo) | Typical Generic / No‑Name |
|---|---|---|---|
| Cell Quality | OEM‑matched cells with consistent capacity | Original manufacturer cells | Unknown or recycled cells; capacity often overstated |
| Protection Circuit | Full PCM (over‑voltage, under‑voltage, short‑circuit, temperature protection) | Full protection | Minimal or no protection; higher risk of swelling or failure |
| Device Communication | Accurate fuel gauge; device shows true remaining runtime | Accurate | May show incorrect charge level or fail to communicate |
| Fit & Connector | Exact fit, clicks in securely | Exact fit | May be slightly loose or require force; connector quality varies |
| Longevity | 400–500+ cycles while maintaining >80% capacity | 400–500+ cycles | Often fails within 3–9 months |
| Price | Moderate (sweet spot) | Highest (often 2–3×) | Lowest but risky |
Important
For 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.
One Battery vs. Two: How to Match Your Daily Routine
Most portable oxygen concentrator users fall into one of three patterns. Which one looks like your day?
| Usage Pattern | One BA‑400 Battery | Two Batteries (One Spare) |
|---|---|---|
| Short outings (< 3 hours), home most of the day | ✔ Works fine | Optional, but nice for peace of mind |
| Full day out (6–10 hours) | May require mid‑day charging | ✔ Swap and go; no downtime |
| Travel (flights, all‑day trips) | Risky if flight is delayed | ✔ Essential for uninterrupted use |
| Backup for multiple users / devices | Not enough | ✔ Keeps both devices ready |
For 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.
How to Identify a Reliable BA‑400 Replacement
Based on feedback from respiratory therapists and DME suppliers, here are three things to look for when buying a replacement BA‑400 battery:
-
Exact Part Number Match
The battery should clearly list BA‑400, 1400-2010-4, 1400-2000, or 1400-2030. 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. -
Built‑in Safety Protection
Look for a PCM (protection circuit module) that guards against over‑voltage, under‑voltage, short circuit, and overheating. This is critical for lithium‑ion batteries used in medical devices. -
Fresh Stock & Warranty
Lithium‑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 12–18 month warranty. Avoid “clearance” deals on batteries that may have been sitting for years.
What Does a Genuine BA‑400 Replacement Cost?
Pricing for POC batteries varies widely depending on the source and the level of authenticity.
| Source | Typical Price Range (USD) | What You Get |
|---|---|---|
| OEM (Inogen / OxyGo direct) | $250 – $350+ | Genuine, but with full retail markup |
| Third‑party “Compatible” | $50 – $100 | Unknown cells; often no safety certification; short lifespan |
| Genuine‑Spec Replacement | $100 – $150 | OEM‑matched cells, protection circuit, full compatibility, warranty |
Frequently Asked Questions
Q: Will this BA‑400 work with both my Inogen G4 and OxyGo FIT?
Yes. 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.
Q: How long does a BA‑400 battery last on a single charge?
It depends on your flow setting and breathing rate. On a setting of 1–2 (continuous or pulse), users typically get 3–6 hours. Higher settings or faster breathing will reduce runtime. This genuine‑spec battery meets the original runtime specifications.
Q: How do I know if my battery is failing?
Common 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.
Q: Is it safe to buy a BA‑400 battery from a third party?
Yes, if the battery is genuine‑spec. 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.
Q: Can I travel with a spare BA‑400 on an airplane?
Yes. 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.
Ready to Get Back to Uninterrupted Freedom?
Don’t let a tired battery limit your day. This genuine BA‑400 replacement 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.
Click ‘Add to Cart’—and get back to living your day without worrying about your next charge.
| Battery Capacity | 3.5Ah |
| Voltage | 14.54V |
| Model No | BA-400 |
| Warranty | 12 Months |
🔋 Lithium-Ion Battery Conditioning
For optimal electrochemical performance, new lithium-ion batteries should undergo 2–3 complete charge and discharge cycles before reaching full capacity.
This stabilization phase allows the internal cell chemistry to achieve balanced ion distribution, ensuring maximum runtime, stable voltage output, and extended cycle life.
After this initial conditioning period, no further full discharge cycles are required.
🛡 Premium Warranty Protection
- 12-Month Limited Manufacturer Warranty
- Up to 30-Day Return Guarantee (Policy Based)
- Replacement for defective or misrepresented items
- Dedicated customer service response within 24 hours
🚚 Professional Shipping Standards
- Orders placed Monday–Friday are processed within 1–2 business days. Orders placed on weekends are processed the following Monday.
- Tracking information appears in your order within 1–2 business days after dispatch.
- Transit time varies by region and logistics carrier
- Please verify your shipping address before order confirmation
- Address changes are not possible once shipment is dispatched
📌 Product-Specific Notice
📩 Customer Care Commitment
We are committed to delivering professional-grade battery solutions and responsive after-sales service. If you experience any issues, please contact our support team before leaving feedback.
⚕ Safety & Compatibility Notice — Medical Device Battery
This is a replacement battery for the compatible medical device model(s) listed above. It is not a finished medical device. The following guidelines apply:
| Who should install | Qualified biomedical technicians or authorized service personnel following the device manufacturer's service manual. AED/defibrillator batteries must comply with your facility's maintenance protocol. |
| After installation | Perform a full device self-test per the manufacturer's guidelines. Record the replacement date and result in the device maintenance log. |
| Emergency use | In a medical emergency, always contact local emergency services (911 in the US). This product does not replace emergency response services. |
| Liability | Accessories-Mall supplies replacement batteries for maintenance purposes. We are not liable for outcomes resulting from improper installation or failure to perform post-installation device testing. |
Not sure this battery fits? Send us your device model number — we'll confirm before you order.
Cao Chuanping
Power Systems Consultant · 8+ years in replacement battery sourcing & evaluation · View profile →
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