BLUETTI AC50B vs Goal Zero Yeti 400 Lithium

Goal Zero Yeti 400 Lithium portable power station

Pick this if

BLUETTI AC50B

Capacity: 448 Wh vs 428 Wh
Continuous AC output: 700 W vs 300 W
Weight: 14.8 lb vs 16.3 lb
List price: $499 vs $600

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

Pick this if

Goal Zero Yeti 400 Lithium

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.

Metric	AC50B	Yeti 400 Lithium	What it means
Capacity	448 Wh	428 Wh	How much energy the unit stores. Sets how long everything else can run.
Continuous AC output	700 W	300 W	The largest load the inverter will run continuously, not counting surge.
Weight lower is better	14.8 lb	16.3 lb	The spec buyers most often regret ignoring.
List price lower is better	$499	$600	Vendor list price at the time of collection; street prices move.
Cost per watt-hour lower is better	$1.11	$1.40	Price divided by capacity. The fairest single value metric.
Watt-hours per pound	30.3 Wh/lb	26.3 Wh/lb	Capacity you get per pound carried.
AC recharge time lower is better	70 min	420 min	Vendor-stated time to full from a wall outlet.
Rated cycles	3,000 cycles	500 cycles	Vendor claim for charge cycles before capacity degrades to 80%.
Max expandable capacity	806 Wh	—	How far the system can grow with add-on batteries.
Warranty	60 months	24 months	Stated warranty length from the vendor listing.

How each one ranks overall

BLUETTI AC50B

#65 of 73 for Best value (Wh per dollar) ($1.11)
#63 of 74 for Most portable (Wh per pound) (30.3 Wh/lb)
#16 of 75 for Most inverter headroom (156 W/100Wh)
#24 of 36 for Fastest AC recharge (384 W)
#24 of 24 for Most expandable (806 Wh)
#49 of 65 for Longest service life (1344 kWh)
#52 of 72 for Most output per dollar (1.40 W/$)
#63 of 75 for Best for home backup (43/100)
#29 of 75 for Longest warranty (60 mo)

Goal Zero Yeti 400 Lithium

#69 of 73 for Best value (Wh per dollar) ($1.40)
#70 of 74 for Most portable (Wh per pound) (26.3 Wh/lb)
#71 of 75 for Most inverter headroom (70 W/100Wh)
#36 of 36 for Fastest AC recharge (61 W)
#63 of 65 for Longest service life (214 kWh)
#71 of 72 for Most output per dollar (0.50 W/$)
#74 of 75 for Best for home backup (30/100)
#68 of 75 for Longest warranty (24 mo)

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/goal-zero-yeti-400-lithium-portable-power-station.

Vendor wording for each figure (6)