CARKU, a global leader in innovative power solutions, proudly introduces the PB-91 Portable Power Station, a game-changer for outdoor enthusiasts, emergency preparedness, and off-grid living. With 3600W AC output, 2816Wh expandable capacity, and military-grade safety, the PB-91 redefines portable energy independence.

1. Power That Never Quits

The PB-91 delivers 3600W pure sine wave AC output, capable of running heavy-duty appliances like 1800W electric saws, 1500W kettles, and 840W air conditioners. Its massive 2816Wh LiFePO4 battery (expandable to 5632Wh with extra batteries) ensures extended runtime for essentials:

(1) Charge smartphones 242 times.

(2) Power a 40W fan for 63 hours.

(3) Run a 1000W electric hot pot for 2.5 hours.

2. Built for Extreme Conditions

Engineered for reliability, the PB-91 thrives in temperatures from -40°C to 60°C (-40°F to 140°F), backed by CARKU’s patented LiFEBMS technology and 8-layer safety protections:

(1) Overcharge/over-discharge prevention.

(2) Short-circuit and reverse polarity protection.

(3) AI-driven temperature control.

3. Portability Meets Versatility

The PB-91 combines industrial strength with user-friendly design:

(1) Retractable handle & wheels (38.8kg) for easy transport.

(2) Dual-voltage support (100V-230V) for global compatibility.

(3) 12V/25A RV output and USB-C PD100W ports for drones, laptops, and EVs.

4. Award-Winning Innovation

Recognized with the Canton Fair Design Award, the PB-91 embodies CARKU’s commitment to cutting-edge engineering. With 717 global patents and over 10 million users worldwide, CARKU continues to lead the industry in safe, scalable power solutions.

5. Who Needs the PB-91?

(1) Outdoor Adventurers: Light up campsites, charge gear, and run appliances.

(2) Homeowners: Backup power for storms, outages, or DIY projects.

(3) RV Owners: Fuel mobile living with 12V/25A RV output.

(4) Professionals: Power tools at remote job sites.

The CARKU PB-91 Portable Power Station is more than a battery—it’s a revolution in portable energy. With 3600W industrial-grade output, ultra-fast charging, and military-grade safety, it empowers adventurers, homeowners, and professionals to break free from grid limitations. Whether battling extreme temperatures, powering critical appliances, or embracing off-grid living, the PB-91 delivers unmatched reliability. Backed by 10 million global users and 717 patented innovations, CARKU continues to redefine what portable power can achieve. Ready to own the future of energy? The PB-91 is your key to limitless freedom.