OCE-ESS-500W
Ocean Solar
500W/1kWh Portable All-in-One ESS
210*156*356mm
262*212*412mm
11kg/12kg
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Product Description

Parameter Category | Technical Indicator | Detailed Specifications |
System Model | Product Model | OCE-ESS-500W |
System Type | Architecture | Portable All-in-One ESS |
Inverter Output | Rated AC Power | 500W Pure Sine Wave |
Battery Capacity | Energy Storage | 1004.8Wh (3.2V, 314Ah) LFP |
AC Charging Power | Grid Charging | 500W MAX |
PV Input Power | Solar Charging | 300W MPPT |
PV Voltage Range | Solar Input | 10-55Vdc |
UPS Switching Time | Backup Transfer | ≤20ms |
Maximum Inverter Efficiency | Conversion | 88% |
AC Output Waveform | Power Quality | Pure Sine Wave |
Output Ports | Connectivity | Universal socket ×1, USB ×1 |
Operating Temperature | Range | -10℃ ~ 50℃ |
Noise Level | Sound Emission | <40dB @ 1 meter |
Dimensions | Compact Size | 210mm × 156mm × 356mm |
Net Weight | Portability | 11kg |
Protection | Safety Features | Undervoltage/Overvoltage, Short Circuit, Over-temperature |
OCE-ESS-500W 500W/1kWh Portable All-in-One ESS.pdf
Q: Is professional installation required for this portable solar energy system?
A: No professional installation required! The OCE-ESS-500W portable solar energy system is completely plug-and-play. Simply connect your solar panels to the XT90 port, plug into AC for charging, and connect your devices to the universal socket. Ready to use out of the box for home backup, camping, and mobile solar energy system applications.
Q: Can this portable solar energy system power my household appliances during blackouts?
A: Absolutely. The OCE-ESS-500W portable solar energy system provides 500W continuous pure sine wave power with <20ms seamless UPS switching. It powers televisions, internet routers, laptops, mobile devices, small refrigerators, lighting, and other essential household loads during grid outages.
Q: How portable is this solar energy system for outdoor and camping use?
A: At only 11kg net weight and compact 210×156×356mm dimensions, the OCE-ESS-500W solar energy system is highly portable. The integrated handle design makes it easy to carry for camping, RV trips, tailgating, outdoor events, and any off-grid mobile solar energy system application.
Q: How long does it take to fully charge this portable solar energy system?
A: Charging time depends on input source: AC grid charging at 500W fully charges in approximately 2.0-2.5 hours. PV solar charging at maximum 300W charges in approximately 3.5-4 hours under full sun. The intelligent BMS optimizes charging for maximum battery life in your portable solar energy system.
Q: What appliances can I power with this 500W solar energy system?
A: The OCE-ESS-500W solar energy system powers all 500W or less devices including: laptops, televisions, LED lighting, internet routers, phone chargers, small refrigerators, portable coolers, medical equipment, power tools, and small kitchen appliances. Pure sine wave output ensures compatibility with sensitive electronics.
Q: What is the actual runtime of this solar energy system on a full charge?
A: Runtime examples based on 1004.8Wh capacity: 50W laptop = 20+ hours, 10W LED lighting = 100+ hours, 100W television = 10 hours, 80W refrigerator = 12+ hours, 10W router = 100+ hours. Actual runtime varies by device power consumption in your solar energy system.
Q: How does the MPPT solar charging work in this portable solar energy system?
A: The built-in MPPT charge controller optimizes PV power harvesting across the 10-55V input range. Maximum 300W PV power at up to 10A current ensures fast solar charging. Compatible with most portable solar panels for off-grid solar energy system operation.
Q: What safety protections are built into this portable solar energy system?
A: The OCE-ESS-500W solar energy system features comprehensive protection including: undervoltage protection, overvoltage protection, short circuit protection, over-temperature protection, and intelligent battery management. All protections operate automatically to ensure safe operation of your portable solar energy system.
Q: What maintenance does this portable solar energy system require?
A: Virtually maintenance-free. The sealed LFP battery requires no watering or maintenance. Simply keep the unit clean and dry, avoid extreme temperature exposure, and recharge every 3-6 months during long-term storage to maintain optimal solar energy system health.
Q: Is this solar energy system safe for indoor and enclosed space use?
A: Yes, completely safe for indoor use. The OCE-ESS-500W solar energy system produces no fumes, no emissions, and operates at <40dB noise level — quieter than normal conversation. Safe for bedrooms, living rooms, offices, tents, and all enclosed spaces.
Q: What warranty is provided for this portable solar energy system?
A: OCEAN SOLAR provides a standard 2-year warranty for the OCE-ESS-500W portable solar energy system, with 1000+ cycle battery performance guarantee. Extended warranty options are available for commercial and rental solar energy system applications.
Q: What are the ideal applications for this portable solar energy system?
A: Ideal applications include: home backup power during outages, camping and RV power, outdoor events and festivals, emergency disaster preparedness, mobile office power, small shop backup, medical equipment backup, remote work sites, and any off-grid solar energy system requirement.

Traditional fixed home solar energy systems require permanent installation, cannot be moved, and provide no power when away from home. The OCE-ESS-500W portable solar energy system delivers complete energy independence wherever you go — home, camping, work, or emergency situations.
The all-in-one portable solar energy system represents the most accessible entry point to solar technology. No installation, no permits, no electrician required. Simply unbox, connect optional solar panels, and enjoy clean backup power immediately.
As OCEAN SOLAR's entry-level portable solar energy system, the OCE-ESS-500W delivers the ideal balance of capacity, power, and portability. 500W continuous output handles all essential devices, while 1kWh capacity provides hours to days of backup power for your mobile solar energy system.
Every component integrated into one compact unit: bidirectional inverter, MPPT solar charge controller, advanced BMS, LFP battery, AC outlet, USB port, and status indicators. The complete portable solar energy system in a single carryable package.
Charge from any standard wall outlet at full 500W speed. The OCE-ESS-500W solar energy system fully recharges in just 2-2.5 hours from empty, ready for your next adventure or backup solar energy system need.
Built-in Maximum Power Point Tracking controller accepts 10-55V solar panels up to 300W. Charge completely off-grid using portable solar panels for true energy independence with your mobile solar energy system.
During grid outages, the OCE-ESS-500W solar energy system transfers to battery backup within 20 milliseconds. Computers, routers, and sensitive electronics continue operating without interruption or reset.
Clean pure sine wave power identical to grid electricity. Safely powers all sensitive electronics including medical equipment, audio devices, computers, and variable-speed motors without hum or interference in your solar energy system.
The high-efficiency bidirectional inverter achieves 88% peak conversion efficiency, minimizing energy loss and maximizing runtime from your 1kWh battery capacity. Every watt flows efficiently through your portable solar energy system.
Total Harmonic Distortion below 3% for linear loads and below 5% for non-linear loads ensures grid-quality power for all connected devices. No buzzing, no interference, just clean reliable power from your solar energy system.
The universal socket accepts plug types from around the world (EU, US, UK, AU, and more), making the OCE-ESS-500W solar energy system truly global and travel-ready for international use.
Dedicated 5V/1A USB port provides convenient charging for mobile phones, tablets, power banks, LED lights, and all USB-powered devices directly from your portable solar energy system.
The ultra-wide 90-280Vac input voltage range handles unstable grids and generator power sources worldwide. 45-65Hz frequency tolerance ensures compatibility with all global power grids for your portable solar energy system.
High >0.95 power factor ensures efficient grid charging with minimal reactive power loss, reducing electricity costs and meeting utility power quality standards for your solar energy system.
The exceptionally wide 10-55V PV input range accommodates virtually all portable solar panels on the market. 30V nominal optimized voltage matches standard 12V and 24V portable solar panels for your off-grid solar energy system.
10A maximum PV current at up to 300W power delivers fast solar charging under full sun conditions. The XT90E-M connector with protective cover ensures safe, reliable solar panel connection to your solar energy system.

The innovative single 3.2V 314Ah LFP cell architecture eliminates cell balancing complexity and improves reliability. This proven design delivers exceptional cycle life and consistent performance for your portable solar energy system.
Full 1004.8Wh usable capacity provides hours of backup power. The 2.9-3.65V operating voltage range optimized for LFP chemistry ensures maximum energy extraction and long battery life in your solar energy system.
The battery supports up to 140A maximum charging current, enabling the 500W fast charging capability. The intelligent BMS manages charging parameters to optimize battery health and cycle life for your portable solar energy system.
The premium LFP chemistry delivers 1000+ deep charge-discharge cycles with minimal capacity degradation. Years of reliable service for daily portable solar energy system use.
Undervoltage protection at 2.9V prevents deep discharge damage. Overvoltage protection at 3.65V prevents overcharging damage. All protections operate automatically to safeguard your portable solar energy system investment.
Hardware-level short circuit protection responds instantly to fault conditions. Over-temperature protection monitors internal temperatures and reduces power or shuts down as necessary to protect your solar energy system.
Four LED power indicators display battery state of charge at 25%, 50%, 75%, and 100% levels. Always know exactly how much power remains in your portable solar energy system at a glance.
Two additional status indicators show charging and inverter operation status. Clear visual feedback ensures you always understand the operating mode of your solar energy system.
At only 210mm wide × 156mm deep × 356mm tall, the OCE-ESS-500W solar energy system fits easily in backpacks, camping gear, car trunks, and storage closets. Minimal space requirement for maximum portability.
Only 11kg net weight makes the OCE-ESS-500W solar energy system easily carryable by one person. The ergonomic integrated handle ensures comfortable transport to any location for your mobile solar energy system.
The high-impact ABS enclosure protects internal components from bumps and drops during transport. Designed for the rigors of camping, travel, and mobile solar energy system use.
All connectors feature protective covers: 3-pin AC inlet cover and XT90E-M solar input cover. Protection from dust, moisture, and damage when connectors are not in use on your solar energy system.
Reliable operation across -10℃ to 50℃ handles everything from freezing winter camping trips to scorching summer outdoor events. The OCE-ESS-500W solar energy system works where you need it.
Extended -15℃ to 60℃ storage tolerance allows keeping your portable solar energy system in vehicles, garages, and storage facilities without battery damage.
At less than 40dB measured at 1 meter, the OCE-ESS-500W solar energy system operates quieter than normal conversation. No disruptive fan noise — perfect for bedrooms, offices, tents, and quiet environments.
Intelligent passive cooling with natural convection eliminates noisy fans for most operating conditions. The thermally optimized design ensures silent operation for your portable solar energy system.
Keep WiFi routers, modems, and communication devices powered during grid outages. Stay connected to emergency services, work, and family with your reliable backup solar energy system.
Power LED lighting, televisions, radios, and entertainment devices during blackouts. Maintain normal home life and comfort through extended outages with your portable solar energy system.
Keep small shops, kiosks, and market stalls operational during power outages. Process payments, complete sales, and avoid lost revenue with your compact backup solar energy system.
Power laptops, monitors, printers, and office equipment for home offices and remote work locations. Complete productivity anywhere with your portable office solar energy system.
Power lighting, portable refrigerators, coolers, phone chargers, cameras, and small appliances at the campsite. Enjoy modern conveniences completely off-grid with your portable camping solar energy system.
The perfect compact power solution for van life, road trips, and RV adventures. Supplement your existing power system or use as standalone power for weekend getaways with your mobile solar energy system.
Essential emergency power for natural disasters including hurricanes, earthquakes, floods, and storms. Power medical devices, communication, lighting, and critical needs when the grid fails.
Ideal for first responders, emergency services, field technicians, and remote work sites. Reliable power wherever the job takes you with your rugged portable solar energy system.
500W Pure Sine Wave Output — Clean grid-quality power for all sensitive electronics
1004.8Wh LFP Battery Capacity — Hours to days of reliable backup power
Dual PV/AC Fast Charging — 500W AC + 300W MPPT solar charging
≤20ms Seamless UPS Switching — True uninterruptible power for computers and electronics
Ultra-Portable 11kg Design — Compact, lightweight, easy to carry anywhere
<40dB Ultra-Quiet Operation — Library-quiet, perfect for indoor and camping use
Universal Global Socket — Accepts all international plug types for worldwide use
Integrated All-in-One Design — Inverter + BMS + MPPT + battery in one unit
Comprehensive Safety Protection — Voltage, short circuit, and thermal protection
OCEAN SOLAR Quality — 2-year standard warranty, proven reliable performance
Contact the OCEAN SOLAR team today to get a detailed quote for the OCE-ESS-500W portable all-in-one solar energy system, and experience true energy independence wherever life takes you!
OCEAN SOLAR — Powering commercial solar energy systems with premium high-capacity energy storage worldwide