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Bluetti AC70

$359, or $0.47 per watt-hour.

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Capacity
768Wh
AC output
1,000W, 120V
Weight
22.5 lb
Battery life
3,000 cycles
Wall charging
45 min to 80%, about 1.5 hr full
Max solar input
500W
UPS switchover
20 ms or less
Fastest USB-C port
100W
12V DC output
120W
Expandable
No

Bluetti also advertises 2,000W of "Power Lifting". That mode only suits simple heating devices. The surge rating for motors and compressors is 1,500W. Specs and price are from Bluetti's own site, checked 2026-10-04.

What it can run, and for how long

DeviceRuntimeIf it cannot, why
CPAP, humidifier off2.2 nights
CPAP with heated humidifier1.0 nights
Mini fridge24.9 hr
Full-size refrigerator10.9 hr
Chest freezer21.8 hr
12V compressor fridge1.8 days
1/3 HP sump pumpCan't start itstartup surge of 1,800W is over its 1,500W limit
Wi-Fi router and modem32.6 hr
Starlink Mini23.0 hr
Starlink Standard dish and router7.7 hr
Gas furnace blower2.7 hr
5,000 BTU window air conditioner2.1 hr
Space heater on high (1,500W)Can't run itneeds 1,500W, outlet tops out at 1,000W
Space heater on low (750W)0.9 hr
Electric blanket1.4 nights
Drip coffee maker4 pots
MicrowaveCan't run itneeds 1,500W, outlet tops out at 1,000W
Laptop9 full charges
15-amp circular sawCan't run itneeds 1,400W, outlet tops out at 1,000W
Diesel air heater3.5 nights
Outage essentials (fridge, internet, lights, phones)5.4 hr
BiPAP, humidifier off1.4 nights
Home oxygen concentrator1.9 hr
Electric kettleCan't run itneeds 1,500W, outlet tops out at 1,000W
Air fryerCan't run itneeds 1,500W, outlet tops out at 1,000W
Slow cooker on low3.6 hr
Thermoelectric cooler13.8 hr
Tent camping essentials2.4 days
Portable tent air conditioner2.7 hr
Pancake air compressorCan't run itneeds 1,250W, outlet tops out at 1,000W
Cordless tool battery charger5 5Ah packs
12V roof vent fan1.4 days
13,500 BTU RV air conditionerCan't run itneeds 1,400W, outlet tops out at 1,000W
Whole house, average useCan't run itneeds a 240V output, this model is 120V only
Gaming PC and monitor1.5 hr
Desktop 3D printer4.4 hr
Drone battery charging7 77Wh drone batteries
E-bike charging1 500Wh e-bike charges
Tailgate setup2.2 hr
240V well pumpCan't run itneeds a 240V output, this model is 120V only
Aquarium filter and heater8.2 hr

Calculated from capacity and typical device draw. See the method

Guides that recommend it