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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.
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.
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.
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.
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.
(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.
● 4000A PEAK POWER FOR HEAVY-DUTY VEHICLES – 4000A PEAK POWER FOR HEAVY-DUTY VEHICLES – Built for 6.6L gas trucks, SUVs, and commercial vehicles, delivering instant starts in seconds.
● SODIUM-ION TECHNOLOGY BUILT FOR EXTREME COLD – Advanced Na⁺ battery reduces reliance on lithium and lead, ensuring reliable performance down to -40°C.
● OEM/ODM JUMP STARTER AVAILABLE — NEED CUSTOM? Talk to our experts for sample testing.
● 2 IN 1 JUMP STARTER – A high-torque air compressor meets a high-performance jump starter. Whether it’s a flat tire or a dead battery, this unit provides instant 12V ignition and high-pressure inflation, ensuring you are 100% self-sufficient on the road.
● RAPID PRESET TIRE INFLATION – Engineered to restore proper tire pressure in under 3-5 minutes. Featuring an intelligent auto-shutoff system and real-time digital pressure monitoring to prevent over-inflation, ensuring maximum driving safety and fuel efficiency.
● 360° EMERGENCY UTILITY HUB – More than a CAR JUMP STARTER. Integrated with a 3-mode tactical lighting system (SOS/Strobe/Flashlight) and a high-capacity power bank to keep your GPS and smartphones charged during off-grid travel or night-time breakdowns.
● SCALABLE ODM/OEM MANUFACTURING – Looking to dominate the automotive accessory market? We provide full-service customization for air-integrated units, from PSI performance tuning to bespoke housing designs. Secure your exclusive quotation today.
JS625 Sodium-Ion Jump Starter 1500A Peak – Works at -40°C to 80°C – Starts Cars, SUVs & Motorcycles – 10400mAh Ultra-Lightweight Portable Emergency Car Battery Booster with LED Flashlight
● 1500A PEAK, SODIUM-ION POWERED — Starts cars, SUVs, and motorcycles instantly. Na⁺ sodium-ion technology delivers stable cranking power in extreme conditions where conventional batteries fail.
● WORKS AT -40°C TO 80°C (-40°F TO 176°F) — From frozen winter mornings to scorching desert highways, the JS625 performs where lithium and lead-acid simply can't.
● OEM/ODM SOLUTIONS AVAILABLE — Looking to private-label or customize a sodium-ion jump starter? Contact us today for your exclusive quote.




Building A, Qixing Creative Square,
Lianrun Rd., Gaofeng Community,
Dalang Street, Longhua District,
Shenzhen,Guangdong,China

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