Cairs Portable Oxygen Concentrator Battery BA-K201 - Compatible with K & S Series, 49Wh 3.4Ah 14.4V, White, Grade A Cells

BA-K201 Replacement Battery for Cairs K & S Series Portable Oxygen Concentrator
Key Benefits
PERFECT COMPATIBILITY: Direct replacement for Cairs K and S Series Portable Oxygen Concentrators, fully replaces original model BA-K201 RELIABLE POWER & EXTENDED RUNTIME: 49Wh high capacity delivers dependable energy to support prescribed oxygen flow settings for longer durations
PREMIUM GRADE A CELLS: Made with top-tier new lithium-ion cells for optimal safety, high efficiency and long cycle life
BRAND NEW & WARRANTED: 100% new (not refurbished) battery, backed by a full 12-Month Warranty for total peace of mind
SAFE & SECURE FIT: Seamlessly integrates with your concentrators power system for stable, uninterrupted operation
Detailed Product Description
Breathe Easy, Stay Active. Never Be Tethered to an Outlet. Your portable oxygen concentrator is the key to your independence and active lifestyleequip it with the reliable power it needs via our BA-K201 Replacement Battery. This high-capacity Li-ion pack is engineered exclusively for Cairs K and S Series POCs, delivering consistent performance critical for your respiratory support. Whether running errands, visiting friends or enjoying outdoor time, trust this battery to supply steady, dependable power whenever you need it.
Precision-Engineered for Seamless Compatibility
This is no generic alternativeits crafted to match the exact electrical and physical specs of your Cairs concentrator, ensuring perfect device communication and accurate battery life indicators.
Compatible Devices: Cairs K Series and S Series Portable Oxygen Concentrators
Replaces OEM Model: BA-K201
Condition: 100% Brand New with top-grade A cells
High-Capacity, Dependable Power
Boasting 49 Watt-hour ( 3.4A h) capacity and stable 14.4V output, this battery is built to meet your portable concentrators demands. It maximizes your devices runtime between charges, bringing greater flexibility and freedom to your daily activities without worrying about power cuts.
Safety & Quality at the Core
We know reliability is non-negotiable for medical devices, so this battery is constructed with your safety as the top priority.
Premium Grade A Li-ion Cells: Delivers stable performance, long service life and consistent discharge rates for reliable respiratory support
Integrated Multi-Protection Circuit: Guards against overcharging, over-discharging, short circuits and excessive temperatures
Strict Quality Control: Produced under rigorous standards to fully meet your oxygen concentrators performance requirements

Specifications

at a Glance
Model Number: BA-K201
Battery Type: Rechargeable Lithium-Ion (Li-ion)
Rated Voltage: 14.4V
Rated Capacity: 49Wh / 3.4A h
Color: White
Warranty: 12 Months
Cell Quality: Grade A
Ideal for Daily Use & Travel
Daily Mobility: Confidently power your concentrator for medical appointments, social visits and daily tasks
Backup Power: Keep a spare fully charged for seamless swapping, ensuring uninterrupted oxygen therapy anytime
Daily Prep: Start your day or trip with a fully charged battery to enjoy maximum available runtime
Installation & Care Guide
Power Down: Turn off your Cairs portable oxygen concentrator completely first
Swap Batteries: Locate the battery compartment, take out the exhausted battery, insert the new BA-K201 and ensure it clicks securely into place
Initial Charge: Before first use, connect the concentrator to its AC power adapter and charge the new battery fully as per the devices indicator
For Optimal Performance & Safety
Use only the official Cairs AC or DC charger that came with your concentrator
Store and use the battery within the temperature range specified in your device manual
For long-term storage, keep the battery partially charged in a cool, dry place
Recycle old batteries responsibly at designated battery recycling centers
Package Includes
1 x BA-K201 Replacement Lithium-Ion Battery (49Wh, 14.4V )