BLUETTI AC50B portable power station
Goal Zero Yeti 500 portable power station

Pick this if

BLUETTI AC50B

  • Continuous AC output: 700 W vs 500 W
  • Weight: 14.8 lb vs 16.1 lb
  • List price: $499 vs $500
  • AC recharge time: 70 min vs 84 min

Buyers who measure value in watts and watt-hours, not in grams and app screens.

Pick this if

Goal Zero Yeti 500

  • Capacity: 499 Wh vs 448 Wh
  • Cost per watt-hour: $1.00 vs $1.11
  • Watt-hours per pound: 31.0 Wh/lb vs 30.3 Wh/lb
  • Rated cycles: 4,000 cycles vs 3,000 cycles

Buyers who value the ecosystem, the retail presence and a familiar outdoor brand.

Spec by spec

A green arrow marks the better figure on each row. Rows where only one unit publishes a number are shown without a winner rather than guessed.

MetricAC50BYeti 500What it means
Capacity448 Wh499 WhHow much energy the unit stores. Sets how long everything else can run.
Continuous AC output700 W500 WThe largest load the inverter will run continuously, not counting surge.
Weight lower is better14.8 lb16.1 lbThe spec buyers most often regret ignoring.
List price lower is better$499$500Vendor list price at the time of collection; street prices move.
Cost per watt-hour lower is better$1.11$1.00Price divided by capacity. The fairest single value metric.
Watt-hours per pound30.3 Wh/lb31.0 Wh/lbCapacity you get per pound carried.
Max solar input200 WCaps how large an array is useful, and therefore off-grid recharge speed.
AC recharge time lower is better70 min84 minVendor-stated time to full from a wall outlet.
Rated cycles3,000 cycles4,000 cyclesVendor claim for charge cycles before capacity degrades to 80%.
Max expandable capacity806 WhHow far the system can grow with add-on batteries.
Warranty60 months60 monthsStated warranty length from the vendor listing.

How each one ranks overall

BLUETTI AC50B

Goal Zero Yeti 500

The brands behind them

BLUETTI

The value-and-power buyer who does not mind a heavy box

Best for: Buyers who measure value in watts and watt-hours, not in grams and app screens.

Not for: Buyers who need the lightest possible unit or the simplest possible interface.

Full BLUETTI profile →

Goal Zero

The outdoor retailer shopper who wants a system they can see in person

Best for: Buyers who value the ecosystem, the retail presence and a familiar outdoor brand.

Not for: Spec-sheet shoppers optimising cost per watt-hour.

Full Goal Zero profile →

Where these numbers come from. Every figure on this page is taken from BLUETTI’s own product listing and is stored with the vendor’s exact wording, reproduced below. We do not estimate missing specs — a field the vendor does not publish is shown as “—” and excluded from rankings. Source: www.bluettipower.com/products/solar-generator-ac50b.

Vendor wording for each figure (7)
  • capacityWh: “448Wh capacity for extended battery life
  • acOutputW: “700W continuous power
  • weight: “6.7 kg/14.8 lbs
  • rechargeAcMinutes: “fully charge in 70 minutes
  • cycleLife: “3,000+ Cycles to 80% Original Capacity
  • maxExpandableWh: “an additional 806Wh of power
  • warrantyMonths: “industry-leading 5-year warranty

Where these numbers come from. Every figure on this page is taken from Goal Zero’s own product listing and is stored with the vendor’s exact wording, reproduced below. We do not estimate missing specs — a field the vendor does not publish is shown as “—” and excluded from rankings. Source: goalzero.com/products/yeti-500-portable-power-station-lfp-battery.

Vendor wording for each figure (7)
  • capacityWh: “Battery Pack Capacity: 499.2 Wh (25.6 V, 20 Ah)
  • acOutputW: “AC (Inverter)(pure sine wave): 500 W Continuous, 1000 W Surge, 115 V, 4.16 A
  • weight: “16.1 lbs (7.3kg)
  • solarInputW: “Solar (200 W Max): 2.8 hrs.
  • rechargeAcMinutes: “AC Fast Charge: 1.4 hrs
  • cycleLife: “Lifecycles*: 4000 (*To 80% of original capacity at 25 °C with a 0.5C charge and discharge)
  • warrantyMonths: “Warranty : 5 years

Other comparisons for the AC50B

Also worth a look

EcoFlow RIVER 2 Max portable power station
EcoFlow

RIVER 2 Max

512 Wh500 W AC13.4 lbLiFePO4

$249 · $0.49/Wh

PECRON E500LFP portable power station
PECRON

E500LFP

576 Wh600 W AC15.0 lbLiFePO4

$269 · $0.47/Wh