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Bluetti AC200L sizing guide

Partial-home backup that scales to 8 kWh with B300K add-on batteries. Here's exactly what it runs, how long, and which outages it covers — computed, not marketed.

2,048 Whcapacity
2,400 Wcontinuous output
3,600 Wsurge rating
LiFePO4battery

~1.5 h AC; expandable to 8 kWh · 62 lb · 5× AC (incl. 30 A), USB-A/C · expandable with add-on batteries.

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What the AC200L runs — and for how long

ApplianceRunningRuns it?Approx. runtime
Refrigerator (modern) 150 W (1,200 W surge) yes ~35 h
Chest Freezer 100 W (1,000 W surge) yes ~53 h
CPAP Machine (no humidifier) 40 W yes ~46 h
CPAP with Heated Humidifier 60 W (95 W surge) yes ~38 h
Oxygen Concentrator 350 W (600 W surge) yes ~5.3 h
Space Heater (1500 W) 1,500 W yes ~1.2 h
Window AC (8,000 BTU) 715 W (1,250 W surge) yes ~3.7 h
Window AC (12,000 BTU) 1,100 W (1,800 W surge) yes ~2.4 h
Gas Furnace Blower (1/2 HP) 800 W (2,350 W surge) yes ~4.6 h
Microwave (1000 W cooking) 1,200 W yes ~1.5 h
Sump Pump (1/3 HP) 800 W (1,500 W surge) yes ~12 h
Sump Pump (1/2 HP) 1,050 W (2,150 W surge) yes ~8.8 h
Well Pump (1/2 HP) 1,000 W (2,100 W surge) yes ~12 h

Runtime uses each load's duty-weighted average draw against 90% of the rated capacity — conservative on purpose. Cyclic loads (fridges, pumps) run far longer than running-watts × capacity would suggest.

Outages the AC200L covers

What size power station runs a CPAP all night?
covered356 Wh
What size power station / battery backup for a sump pump?
covered1,067 Wh
What size power station runs a refrigerator in an outage?
covered1,413 Wh

Common questions

What can the Bluetti AC200L run?

With 2,400 W of continuous output and a 3,600 W surge rating, the Bluetti AC200L runs refrigerator (modern), chest freezer, cpap machine (no humidifier), cpap with heated humidifier, oxygen concentrator, space heater (1500 w), and more. Its 2,048 Wh battery sets how long: a fridge for roughly a day, a CPAP for several nights.

How long will the Bluetti AC200L run a refrigerator?

A modern refrigerator averages about 53 W (it cycles ~35% of the time), so the Bluetti AC200L's 2,048 Wh runs one for roughly 35 h before recharging.

Specs: Manufacturer published specifications (approximate; confirm on the current product page) (compiled 2026-06-15). Informational only — a computed sizing estimate from published appliance-wattage charts and manufacturer station specs. It is not an electrical guarantee. For hardwired or whole-home backup, transfer switches, or any permanent install, consult a licensed electrician.