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ROCKSOLAR Utility 300W Portable Power Station - Lithium Battery and Solar Generator



ROCKSOLAR is the manufacturer and seller of Portable Power Stations, Solar Panels, Portable Solar Generator Kits, Accessories, etc. We ensure the best products at competitive prices for long-lasting use.

This high-powered battery supply remains portable at under 10lbs! The ROCKSOLAR Utility with a Lithium-ion Polymer battery gives long-lasting life to power tools and electronics while working remotely. For the explorer, power your laptop, drone, and camera continually and never miss your shot. For the builder, charge tools and power remote maintenance to get the job done. Your day will end before the power supply does! Can be charged via AC wall outlet, DC car charger, and solar panel (sold separately).



  • ALL IN ONE POWER STATION: ROCKSOLAR Utility is a Lithium-ion Polymer battery designed to provide more power, longer. This dependable power solution is great for larger jobs, longer trips and prepares you for longer power outages and emergencies. Great for RV’s, mobile homes, camping, boats, van life, and worksites
  • ONLY BATTERY PACK YOU NEED: Our portable power supply station has a life cycle of 1000+ and comes with 2*AC 110V Pure Sine Wave output capable of 300W peak 500W power outputs, 1*DC (9-12.6V/ 15A max) power output ports, and 4*USB output ports including a 1*USB type C & 3*USB (5-9V/ 2A) QC 3.0 output ports.
  • FAST CHARGE & LIGHTWEIGHT: Our lightweight portable power station weighs in at under 10lbs and is recharged in 3 ways with ROCKSOLAR 60W or 100W solar panels (Sold Separately) under full sun, from an AC Wall Outlet (100v-240v) within 8 hours (charging cable included) or recharged from your carport (charging cable included) on-the-go.
  • CLEAN VERSATILE QUIET OUTDOOR POWER: Our solar generator includes a built-in advanced battery management system (BMS) that protects you & your devices against overcurrent, over voltage, over-temperature and provides clean power just like at home. Quiet generator with no fuel or gasoline needed, fume-less, noiseless, and no clanging. 



  • The Utility is a very powerful yet very portable power station, its great to take on road trips and store in your car or trailer. Its also a reliable backup power source during power failures.
  • On a camping trip, keep you can keep your food cold with a mini fridge. You can also charge a USB powered CPAP (18 hours) and a CPAP for 5-6 hours.
  • You can also use with car kits, including lift jacks, air pumps or inflators, vacuums, and more. Also power your business vendor stalls and outdoor market booths.
  • Its also great for a remote work station as it can charge your phone up to 24 times and a laptop up to 6 times. It also a great pairing with a ROCKSOLAR 100W Solar Panel, so that you can charge the Utility anywhere. 


Built-in Battery 333 Wh, 30Ah/11.1V(equivalent 90,000mAh,3.7V)
High-Quality Lithium-ion Batteries
Input Charging Adapter: DC15V/3A  Power station can be charged with 100-240V wall outlet (AC ports provide 110V output).
Solar Panel Input DC 13V~23.6V/2.5A Max
Fully Charged Time Adapter: about 7~8 hours
DC Output 1 x DC  Output 9~12.6V/10A/15A Max
4 x USB 5V-2.1A Total:3.1A Max
3 x USB 5~9V/2A Qualcomm QuickCharge3.0
1 x USB-C PD 5~9V/2A Qualcomm QuickCharge3.0
AC Output 1 x AC Pure Sine Wave Output
AC Continuous Output 300W
AC Peak Output 500W

Work Temperature -10℃ - +40℃
Storage Temperature -10℃ - +45℃
Lifecycle >500 times
Multi-Safety Short-circuit protection
Over-current protection
Over-voltage protection
Low-voltage protection
Over-load protection
Over-temperature protection
Package includes 1 x Portable Power Station
1 x AC Power Adapter
1 x Car Charger
1 x User Manual

Package Dimensions
Length (MM) 288
Width (MM) 130
Height (MM) 130
Weight  8.3LBS/3.78KG