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Whether you're camping in the wild, working remotely, or facing an unexpected outage, this compact yet powerful device keeps your essentials running—lights, phones, laptops, even small appliances. A power station is known for its charging methods. These include solar, AC, DC, fast charging, and car charging. This adaptability makes it perfect for green energy enthusiasts or anyone on the move.

A portable power station is designed for people who need reliable power without electrical hookups.The PB-85 power station addresses the key challenges of off-grid living:
The PB-85 portable power station's key features:
▶Massive 768Wh capacity for extended runtime
▶1000W pure sine wave output for sensitive electronics
▶Fast 300W solar charging for renewable energy independence
▶Van life optimized design with compact form factor
▶Multiple charging options (solar, AC, 12V, generator,USB,DC)
▶Smart jump cables for car battery and cable for primary and secondary battery are available.
What Power Station Do You Need To Survive a Power Outage?
Based on real time and capacity needs,CARKU professional team created a comprehensive guide to help you choose the right power station for surviving power outages, whether at home or living the van life.
The key insight from recent worldwide situation is that Max portable power station with 1408Wh capacity adding a second battery. But a portable power station with an extra battery is not automatically a UPS.Although it can have some UPS-like features.
Portable power station: A rechargeable battery-powered device that can supply power to various electronics and appliances. It’s designed to be moved around and used outdoors or during outages.
UPS (Uninterruptible power supply): A system that automatically provides backup power to connected devices without interruption when the main power source fails. It's commonly used for computers, servers, and sensitive electronics to prevent shutdowns or data loss.
What happens when you use PB-85 and add an extra battery?
Firstly,it extends the runtime of the portable power station.Secondly, it doesn’t make it a UPS unless it has pass-through charging with instant switchover capability. That instant switchover (within milliseconds) is what defines a UPS.So,Small power systems (300-500Wh):They’re Perfect for emergency device charging and short outages.Medium power systems (1000-2000Wh):They’re ideal for extended outages and moderate van life needs.
How Long Will a Portable Power Station Run In a Blackout?
For an emergency kit, a portable power station equipped with a secondary battery is an essential solution. Additionally, another battery is needed for my refrigerator. The main battery is charged to its maximum capacity of 2000 watts, making it compatible with various electronics.Runtime depends on the total capacity (measured in Wh) and your power usage.
For example, a 1000Wh station powering a 100W fridge could run for roughly 8–10 hours.With a second battery, you double that runtime. Devices with 2000W peak power handling can support more appliances at once, making it worth having in your emergency kit for unpredictable blackouts.

How Much Backup Power Do I Need For My Home?
For home power outage backup, anyone may encounter issues such as short electricity outages. Understanding your power needs is beneficial for home power outage backup.
The essential appliances during outages you should know:
1.Refrigerator/freezer (prevent food spoilage)
2.Medical devices (CPAP, oxygen concentrators)
3.Lighting and phone charging
4.Heating system fan or small space heater
5.Well pump (if applicable)
6.Internet router for communication
7.Sump pump (working max few minutes every half hour).
Power consumption datas you could understand:
▶Refrigerator: 100-200W continuous
▶LED lights: 10-15W each
▶Phone charging: 10-20W
▶Laptop: 50-100W
▶CPAP machine: 40-60W
▶Small TV: 50-150W
The PB-85 portable power station solution
With 768Wh capacity and 1000W output, the portable power station PB-85's functions are as follows:
How Long Carku Portable Power Stations Last?
CARKU is a global lithium battery manufacturer in power supply equipments. Over 50 engineers in R&D team develop new products with every year to enter into market to help clients gain great competition against their competitors.The top important principle is to keep it stable and safe. When users use lithium-ion battery jump starter to restart their vehicles or portable power stations for emergency kit.The CARKU portable power station: How many years of use or charge cycles can one expect?The lifepo4 deep cycle batteries are rated for over 3000 charge cycles, translating to a service life of more than 10 years.
Frequently Asked Questions
1.Can I plug my RV into a portable power station?
Yes, a portable power station can power RV lights,but if your RV uses 1000W, use a station that provides at least 1000W continuously.
2.How long will a CARKU PB-85 1000W power a TV?
If you're running a typical modern LED TV (~ 50 – 150 W), runtime equals capacity divided by power draw.
3.Are portable solar generators safe to use indoors?
Yes, portable solar generators are safe to use indoors.The PB-85 portable power station can be charged solar panel flexible, so it’s called portable solar generator.
4.Can you use CARKU power station to jump-start a car?
Yes. The CARKU PB-85 portable power station can be your roadside hero by jump-starting your 12v car.
Powered by advanced lithium iron phosphate (LiFePO₄) technology, the CARKU JS-78F delivers a peak current of 2300A—engineered to handle everyday driving demands with confidence. Its sleek, compact design fits easily into your trunk while providing reliable jump-start performance for cars, SUVs, and heavy-duty equipment. With integrated emergency lighting and built-in mobile device charging ports, the JS-78F is more than just a jump starter—it’s your all-in-one road companion for safety, convenience, and peace of mind wherever you go.
(Looking for Jump Starter ODM/OEM Solutions? Contact us for your exclusive quote today!)
Defy Extreme Cold with Confidence | JS-373B Heavy Duty Jump Starter
Engineered for the most demanding starts, the JS-373B delivers an impressive 7000A peak current and supports both 12V and 24V systems — making it the ideal solution for trucks, buses, heavy machinery, and more. Built with vehicle-grade 60℃ high-rate lithium cells, it ensures powerful ignition even in freezing conditions down to -40°C. Whether you're facing harsh winters or powering up large engines, the JS-373B stands ready with unmatched strength, reliability, and rapid charging support.(*For Jump Starter ODM/OEM Solutions, secure your exclusive quotation now!)
Unleash Dual Power with Our 12V & 24V Lithium Jump Starter
Engineered for heavy-duty performance, this lithium jump starter delivers up to 7000A peak current to start diesel and gasoline engines in trucks, buses, RVs, and construction equipment. Designed for 12V and 24V systems, it offers reliable power, fast activation, and broad compatibility—ideal for commercial fleets and professional roadside service.
(*For Jump Starter ODM/OEM Solutions, secure your exclusive quotation now!)

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Lianrun Rd., Gaofeng Community,
Dalang Street, Longhua District,
Shenzhen,Guangdong,China

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