BLUETTI
AC50B
448 Wh battery, 700 W output. Small: CPAP, laptops, lights and phones. A 40 W CPAP runs about 9.5 hours.
Battery
448 Wh
fridge about 6.5 hours
Output
700 W
surge not confirmed yet
Solar in
200 W
full in about 3 hours
Weight
14.8 lb
one hand
Where to buyPrices checked Oct 27, 2026
BLUETTI store
Out of stock at the BLUETTI store when we checked
Amazon
This model's Amazon page; price shown on Amazon
We may earn a commission if you buy through these links. It never changes a verdict.
What can it run, and for how long?
Tap what you would plug in. Hours assume a full battery and 15% lost to conversion.
Fridge + LED lights + Phone
5 hours
on a full charge, drawing 80 WBattery over time80 W draw
Full5 hours
Together these draw 80 W. This station puts out 700 W. It will shut off. Remove the biggest item or run them one at a time.
Specs in plain English
Tap any underlined term for a one-sentence explanation.
Wh
448 WhFrom the brand's page
Enough for a 60 W fridge for about 6.5 hours, or a CPAP for about 9.5 hours.Wh Watt-hours. Battery size. How much energy is stored. 1,000 Wh runs a 100W device for about 8.5 hours after losses.
W
700 WFrom the brand's page
Fridge, CPAP, laptops, lights.W Watts. Power right now. The station has a maximum it can put out; each appliance has a draw.
Surge
Not confirmed yet
Surge A short burst of extra output the station can deliver for a second or two, for motors starting.
Voc
12 to 28 VFrom the brand's page
Your panels, wired up, must stay inside this range even on a cold morning. The checker does the math.Voc Open-circuit voltage. The highest voltage a panel makes, with nothing connected. Rises in cold.
Imp
8.5 AFrom the brand's page
Over this, the station simply caps what it takes. You lose watts, nothing breaks.Imp Current at maximum power. The working current when the panel is actually charging.
MPPT
200 WFrom the brand's page
From empty to full in about 3 hours of good sun at 70% of rating.MPPT Maximum power point tracker. The charge controller inside the station that finds the best voltage to pull from the panels.
Solar portplug
Solar inputFrom the brand's page
The plug on the station. Panels with a different plug need an adapter cable; we list it in the checker.LiFePO4
LiFePO4From the brand's page
Long-life chemistry, suited to daily solar use. Check the manual for the exact cycle rating.LiFePO4 Lithium iron phosphate. The battery chemistry in most current stations. Rated for thousands of full cycles; check the manual for the exact number.
Weightlb
14.8 lbFrom the brand's page
One-hand carry.Solar panels that work with it
Checked against the 12 to 28 V input range and the 8.5 A current cap, on a 20F morning. Change panels, count and temperature in the full checker.
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Having a problem?
Short fixes from the manuals.
Sources
From the brand's pageBLUETTI AC50B product page
Shop listing, not yet confirmedPrice, from the BLUETTI store on Oct 27, 2026 (checked every morning)
Spotted an error? Email [email protected] with the manual page number.