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Bluetti AC500 vs Bluetti AC200Max

Side-by-side on the specs that decide it — surge, capacity, runtime and price.

Both models' specs verified against manufacturer listings · Last updated

The short answer

Bluetti AC200Max costs $300 less. Whether that gap is worth closing depends on what you need to run.

Bluetti AC500

A modular home-backup system, not a portable unit — the AC500 has no internal battery at all until you add B300K packs.

Best for: Serious home-backup builds where you're designing a system, not buying an appliance.

Where it falls short:

  • Requires separate battery packs to function at all — budget accordingly
  • Total system cost climbs fast
Bluetti AC200Max

The older AC200 workhorse. Still expandable and high-surge, but heavier and slower to charge than Bluetti's newer Elite and Apex units at similar prices.

Best for: Buyers who catch it discounted below the newer Elite line.

Where it falls short:

  • 61.9 lb and a 150-minute recharge
  • Outclassed by newer LiFePO4 units on charge speed
SpecBluetti AC500Bluetti AC200Max
Price $1999 $1699
Capacity 3072 Wh 2048 Wh
Continuous output 5000 W 2200 W
Surge output 10000 W 4800 W
Battery LiFePO4 LiFePO4
Rated cycles 3,500 3,500
Weight (lighter wins) 66.1 lb 61.9 lb
Max solar 3000 W 900 W
Recharge time (faster wins) 1h 45m 2h 30m

Runtime head-to-head

ApplianceBluetti AC500Bluetti AC200Max
Refrigerator43.5 hrs29.0 hrs
Mini fridge82.9 hrs55.3 hrs
Chest freezer32.6 hrs21.8 hrs
CPAP machine65.3 hrs43.5 hrs
Sump pump3.3 hrs2.2 hrs
Bluetti AC500
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Bluetti AC200Max
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