
Where to Buy
Compare prices across 3 retailers
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Bluetti StoreBest Price
$279
Prices are checked periodically and may not reflect real-time changes. Always verify the final price on the retailer's website before purchasing.
Performance Matrix
Battery
448Wh
AC Output
700W
Solar Input
120W
Weight
7.5 kg· 16.5 lbs
Cycles
3000
UPS
20
Real-World Runtime Estimates
Pick an activity to see how long Bluetti AC50B powers a typical loadout.
Choose your activity (20)
Phone Charger (20W)19.0 hours
LED Lantern (10W)38.1 hours
Portable Fan (40W)9.5 hours
Laptop (65W)5.9 hours
Mini Fridge (60W)· 35% duty18.1 hours
Runtimes are estimates. Fridges, AC units, humidifiers and similar devices are modeled with realistic duty cycles so numbers reflect average draw, not peak wattage.
Budget Camping runtime estimates
- Phone Charger (20W): 19.0 hours
- LED Lantern (10W): 38.1 hours
- Portable Fan (40W): 9.5 hours
- Laptop (65W): 5.9 hours
- Mini Fridge (60W): 18.1 hours
Photography & Video runtime estimates
- Camera Battery Charger (30W): 12.7 hours
- LED Light Panel (100W): 3.8 hours
- Drone Charger (70W): 5.4 hours
- Laptop (65W): 5.9 hours
- 27" Monitor (40W): 9.5 hours
Ice Fishing runtime estimates
- Electric Ice Auger (500W): 0.8 hours
- Fish Finder (5W): 76.2 hours
- Space Heater (750W): 0.8 hours
- Phone Charger (20W): 19.0 hours
- LED Lantern (10W): 38.1 hours
Camping runtime estimates
- Mini Fridge (60W): 18.1 hours
- LED Lantern (10W): 38.1 hours
- Portable Fan (40W): 9.5 hours
- Phone Charger (20W): 19.0 hours
- Laptop (65W): 5.9 hours
Boats & Marine runtime estimates
- Fish Finder (5W): 76.2 hours
- Mini Fridge (60W): 18.1 hours
- LED Lantern (10W): 38.1 hours
- Phone Charger (20W): 19.0 hours
- 12V Water Pump (100W): 12.7 hours
CPAP & Medical runtime estimates
- CPAP Machine (40W): 10.6 hours
- Humidifier (30W): 31.7 hours
- Nebulizer (100W): 3.8 hours
- Oxygen Concentrator (350W): 1.2 hours
- Phone Charger (20W): 19.0 hours
Remote Work runtime estimates
- Laptop (65W): 5.9 hours
- 27" Monitor (40W): 9.5 hours
- Router + Modem (30W): 12.7 hours
- Phone Charger (20W): 19.0 hours
- Desk Lamp (10W): 38.1 hours
Overlanding runtime estimates
- Mini Fridge (60W): 18.1 hours
- LED Light Panel (100W): 3.8 hours
- Laptop (65W): 5.9 hours
- Phone Charger (20W): 19.0 hours
- 12V Water Pump (100W): 12.7 hours
Job Sites runtime estimates
- Circular Saw (1800W): 0.2 hours
- Corded Drill (700W): 0.5 hours
- Air Compressor (1000W): 1.0 hours
- Laptop (65W): 5.9 hours
- Phone Charger (20W): 19.0 hours
Apartment Dweller runtime estimates
- Router + Modem (30W): 12.7 hours
- Laptop (65W): 5.9 hours
- 55" TV (120W): 3.2 hours
- Phone Charger (20W): 19.0 hours
- Mini Fridge (60W): 18.1 hours
Outdoor Events runtime estimates
- PA Speaker (150W): 2.5 hours
- Stage Light (200W): 1.9 hours
- LED Light Panel (100W): 3.8 hours
- Laptop (65W): 5.9 hours
- Phone Charger (20W): 19.0 hours
Tailgating runtime estimates
- 55" TV (120W): 3.2 hours
- PA Speaker (150W): 2.5 hours
- Mini Fridge (60W): 18.1 hours
- Blender (500W): 0.8 hours
- Phone Charger (20W): 19.0 hours
Van Life runtime estimates
- Mini Fridge (60W): 18.1 hours
- 12V Water Pump (100W): 12.7 hours
- LED Lantern (10W): 38.1 hours
- Laptop (65W): 5.9 hours
- Portable Fan (40W): 9.5 hours
Emergency Preparedness runtime estimates
- Mini Fridge (60W): 18.1 hours
- CPAP Machine (40W): 10.6 hours
- Router + Modem (30W): 12.7 hours
- LED Light Panel (100W): 3.8 hours
- Phone Charger (20W): 19.0 hours
Home Backup runtime estimates
- Mini Fridge (60W): 18.1 hours
- Router + Modem (30W): 12.7 hours
- 55" TV (120W): 3.2 hours
- Laptop (65W): 5.9 hours
- Phone Charger (20W): 19.0 hours
RV Life runtime estimates
- Mini Fridge (60W): 18.1 hours
- 55" TV (120W): 3.2 hours
- Laptop (65W): 5.9 hours
- 12V Water Pump (100W): 12.7 hours
- Coffee Maker (800W): 0.5 hours
Solar Setup runtime estimates
- Mini Fridge (60W): 18.1 hours
- Laptop (65W): 5.9 hours
- 12V Water Pump (100W): 12.7 hours
- LED Light Panel (100W): 3.8 hours
- 55" TV (120W): 3.2 hours
Off-Grid Living runtime estimates
- Mini Fridge (60W): 18.1 hours
- Laptop (65W): 5.9 hours
- LED Light Panel (100W): 3.8 hours
- 12V Water Pump (100W): 12.7 hours
- Induction Cooktop (1800W): 0.2 hours
Food Trucks runtime estimates
- Induction Cooktop (1800W): 0.2 hours
- Blender (500W): 0.8 hours
- Portable Freezer (120W): 9.1 hours
- Coffee Maker (800W): 0.5 hours
- LED Light Panel (100W): 3.8 hours
Whole Home Backup runtime estimates
- Mini Fridge (60W): 18.1 hours
- Portable Freezer (120W): 9.1 hours
- Router + Modem (30W): 12.7 hours
- 55" TV (120W): 3.2 hours
- Space Heater (750W): 0.8 hours
Pros
- Strong Weight: 7.5
- Strong Portable: Yes
- Strong Ac Wave Quality: Pure Sine Wave
- Strong Ac Charge Speed: 56
- Strong Pass Through Charging: Yes
Cons
- Low Battery Lifespan Cycles: 3000
- Low Expandable Capacity: No
- Low Ac Power Surge: 1000
- Low Max Solar Input: 120
- Low Ups Switch Time: 20
Best For
Not Recommended
Off-Grid LivingFood TrucksWhole Home Backup
Technical Score Breakdown
Warranty100
Physical86.7
Connectivity75
Advanced Features58.9
Price92.5
Charging85
AC Power61
Battery29.4
Capacity Position
Bluetti AC50B
90 Wh448 Wh6,144 Wh
Technical Specifications
Product Info
Model Name
AC50B
Product Url
https://www.bluettipower.com/products/ac50b
Brand
Bluetti
Price
Price Description
$279.00
Bundle Price
499.00
Base Price
279.00
Cost Per Wh
0.62
Physical
Dimensions
28 x 20 x 22 cm
Energy Density Wh Per Kg
59.7
Operating Temp
-20°C to 40°C
Weight
7.5
Portable
Yes
AC Power
Ac Output Amps
5.8A max
Ac Power Continuous
700
Ac Power Surge
1000
Ac Wave Quality
Pure Sine Wave
DC Power
Dc Output
2x USB-C 65W, 1x USB-A 15W, 1x 12V/10A cigarette lighter
Charging
Solar Connector Type
MC4
Solar Panel Compatibility
14-40V, 8A max
Charger Type
Built-in AC + Solar MPPT
Max Solar Panels
1
Max Solar Input
120
Ac Charge Speed
56
Pass Through Charging
Yes
Smart Charging
Yes
Fast Charging
Yes
Battery
Max Extra Batteries
0
Battery Capacity Wh
448
Battery Lifespan Cycles
3000
Expandable Capacity
No
Advanced Features
Ups Functionality
Yes
Ups Switch Time
20
Parallel Expansion
No
Connectivity
Wireless Charging
Yes
App Control
Yes
Bluetooth
Yes
Wifi Connectivity
No
Warranty
Warranty
5
Competitor Comparison
Side‑by‑side specs vs 3 similar models in the same capacity and price range.
| Spec | ||||
|---|---|---|---|---|
| Overall score | 61.8 | 65.6 | 61.3 | 61.2 |
| Capacity | 448 Wh | 499 Wh | 499 Wh | 495 Wh |
| AC output | 700 W | 600 W | 500 W | 800 W |
| Weight | 7.5 kg · 16.5 lbs | 7.2 kg · 15.9 lbs | 6.1 kg · 13.4 lbs | 7.6 kg · 16.8 lbs |
| Battery cycles | 3,000 | 3,000 | 3,000 | 600 |
| UPS switch time | 20 ms | 20 ms | 30 ms | 20 ms |
| Max solar input | 120 W | 200 W | 220 W | 200 W |
| Price | $279 | $200 | $299 | $280 |
| Cost per Wh | $0.62/Wh | $0.40/Wh | $0.60/Wh | $0.57/Wh |
Green value + dot = best in that row. Similar models selected from the same capacity tier, priced within ±40%.




