ROMOSS RS300 Portable Power Station Worth Your Trust

300W Portable Power Station

220V Sine Wave Alternating Currents / 231Wh

Multi-function emergency power station

Multiplier Drive Technology

Constant power supply doubled

Portable Power Station

Easy to carry around

Resistant to Crash and Impact

Robust structure

8-Step Battery Safety Design

Battery management system(BMS)

SOC Liquid-crystal Display

Keep track of the remaining power

Multiport

4 ways of output ports available

Liftable with One Hand

13% Lighter than Its Peer Products

Weighing just 2.78 kg, occupy little space in a car boot

Smaller Size 33%

Stronger Power 50%

Updated for 600W Charging

R-MAX Multiplier Drive Technology allows 600 W charging for heating devices to work in constant power mode

Inverter Control Technology, More than 300W

UPS Inverters: 220V/300W inverters among the world’s top 10 are adopted

R-MAX Multiplier Drive Technology

Electric Steamer / Electric Coffee Maker / Electric Water Boiler / Egg Cooker / Breakfast Machine/ Electric Stew Pot

Meet Your Outdoor Needs

Charge almost all your device anytime and anywhere

300W AC Outlet

120W Car Output

PD 60W Type-C Port

18W USB Port

220V Sine Wave Alternating Currents

Power Outdoors as Available as at Home

Waveforms stabilized to prevent noise and device damage

Sine waves cause no device damage

Modified sine waves easily damage devices

Huge Capacity of 231Wh

Once-and-for-all solution to power shortages outdoors

More Data on Charging Devices

Mini Fridge/ Drone/ Electric Cooker/ LED Lights/ Projector/ 32-inch TV/ Ventilator/ Electric Fan/ Outdoor SpeakerFully Recharged in 3.3 Hours

Recharging is done fast through the adapter, solar panel, or car charging, and lasts longer

3.3 hours through 80W solar panels

4.4 hours through 55W car outlet

5.6 hours through 48W wall outlet

Charges Devices as Efficiently as Always

4 ways of output for easy access to power

1. Flashlight Switch

2. Car Outlet

3. Adapter Port

4. USB Ports×2/ Type-C Port

5. AC Outlet

Light up Your Light

Highlight LED Emergency Light

Self-contained Protective Cover

Block dust and rain

Intact from Falls and 85kg-pressure

Intact from a 1.2m fall

Stacked together to be a chair

≈85kg

Squeezing Test

≈120cm

Fall Test

800+

Battery Life Cycle

Smart Display at a Glance

SoC liquid-crystal smart display

A Battery Indicator

B Remaining Battery Time

C Overall Output Power

D Remaining Recharge Time

C Output Power

F Low Voltage Warning

G Temperature Warning

BMS Battery Management System

Proven safety out of rigorous tests

CB/KC/CE/RCM/ROHS2.0/UN38.3

PC+ABS Alloy Shell

Keep you safe at all times

Work in Temperatures Ranging from-10°C to 40°C

Corrosion-resistant

Heat-resistant

Well insulated

8-Step Battery Safety Protection

Heat Protection

Freeze Protection

Over-discharge Protection

Overload Protection

Short-circuit Protection

Over-voltage Protection

Over-current Protection

Certified Worldwide for Safety

Faster and safer charging for ROMOSS users worldwide

GB National Standards of China

European Restriction of Hazardous Substances

Conformité Européenne

Federal Communication Commission

Korea Communications Commission

Korea KCC Standards

US Hazardous Materials Identification System (HMIS)

UN Report on the Transport of Dangerous GoodsScenarios

Camping Outdoors

Fishing Outdoors

Go Hiking

Aerial Filming

Mobile Officing

Home BlackoutsPackage List

ROMOSS RS300 *1

Car Charging Cable *1

Power Cord *1

Manual *1