Oxygen Concentrator Runtime on 200Ah Battery
A 200Ah battery provides 4-5 hours of backup for a standard home oxygen concentrator - enough to bridge short outages or reach help. For portable concentrators (100W), this same battery lasts 16+ hours. This is the minimum recommended for oxygen backup.
Disclaimer: This calculator provides electrical power estimates only and is not medical advice. Always consult your healthcare provider and device manufacturer for medical device power requirements. Have backup plans for life-critical equipment.
Typical Runtime
4.5hrs
Efficient/Low Power
16hrs
Worst Case
2.5hrs
Battery Energy
1920Wh usable
- ✓Short power outage bridge (2-4 hours)
- ✓Portable oxygen concentrator backup (16+ hours)
- ✓Buying time to start generator or get help
- ✓Travel with portable concentrator
- !Only 4-5 hours for home 5L concentrators
- !Not enough for overnight outage without generator
- !Must have secondary backup plan for extended outages
- !High continuous draw depletes battery quickly
- ↑You need overnight (8+ hour) backup
- ↑You use a larger 10L concentrator
- ↑You want to run other essentials alongside oxygen
- ↑Extended outages are common in your area
- ↓200Ah is the minimum recommended for oxygen backup
Minimum Solar
400W
Ideal Solar
600W
Recharge Time
~4 hrs
Solar can extend runtime but should not be primary backup for life-critical equipment. Always have generator or alternative.
Tips for Oxygen Concentrator on 200Ah
- •ALWAYS use pure sine wave inverter - concentrators require clean power
- •A portable concentrator (100W) lasts 3-4x longer than home units
- •Register with your utility as life-support equipment
- •Keep backup oxygen tanks for absolute emergencies
- •Size inverter for startup surge: 500W minimum for most concentrators
- •Consider a generator as primary backup with battery for bridge power
Frequently Asked Questions
How long will 200Ah run my oxygen concentrator?
A 5L home concentrator (350W): about 4.5 hours. A portable concentrator (100W): about 16 hours. Large 10L units (600W): about 2.5 hours. Know your specific model's wattage.
Is 200Ah enough for overnight oxygen backup?
For a portable concentrator, yes - you get 16+ hours. For a home 5L unit, no - you get only 4-5 hours. For overnight home unit backup, consider 400Ah or a generator.
What inverter for oxygen concentrator?
MUST be pure sine wave. Size for at least 500W for typical 5L units, 800W+ for 10L units. Modified sine wave can damage the concentrator and is not safe.