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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.
JS617N Heavy Duty Sodium-Ion Jump Starter 4000A Peak – Starts 6.6L Gas Trucks & Commercial Vehicles – Works at -40°C – Portable Emergency Car Battery Booster with LED Flashlight
● 4000A PEAK POWER FOR HEAVY-DUTY VEHICLES – Engineered for 6.6L gasoline trucks, SUVs, and commercial vehicles, the JS617N delivers an instant 4000A surge to get you back on the road in seconds.
● SODIUM-ION TECHNOLOGY BUILT FOR EXTREME COLD – Advanced sodium-ion (Na⁺) technology: less dependent on scarce lithium and lead resources, built for a sustainable future.
● OEM/ODM JUMP STARTER AVAILABLE — Need a custom solution? Contact us for your exclusive quote today.
A reliable all-in-one tyre inflator jump starter does more than just inflate tyres. It restores proper tyre pressure in minutes and delivers instant emergency starting power when your car battery lets you down.
It also features three lighting modes — SOS, Strobe, and Flashlight — making it ideal for outdoor use and nighttime emergencies. Compact enough to fit in your bag, this portable jump starter also functions as a mobile power bank, allowing you to charge your electronic devices anytime, anywhere.
Looking for Jump Starter ODM/OEM solutions? Contact us today for your exclusive quote.
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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