PORTABLE ALL-IN-ONE ESS SERIES
IMAX-ESS300W-896Wh & IMAX-ESS500W-1000Wh
✨ Core Features & Advantages
Integrated Design
Inverter and BMS integrated design for compact and reliable performance.
Solar Compatible
Supports solar charging with wide MPPT range 10-55Vdc for flexible renewable power.
Long Cycle Life
Up to 8000 cycles for extended service life and cost-effective operation.
All-Round Protection
Comprehensive safety mechanisms to safeguard the system under all conditions.
Multi-Output Support
Built-in USB output for convenient phone and device charging.
Portable & Lightweight
Compact form factor for easy transport and deployment anywhere power is needed.
📋 Specifications Parameter
| Model | ESS 300W+896Wh | ESS 500W+1000Wh |
|---|---|---|
| Rated AC Output Power | 300W | 500W |
| Output Voltage Waveform | Pure Sine Wave | Pure Sine Wave |
| Output Voltage | 185~230VAC 50Hz | 185~230VAC 50Hz |
| Low DC Warning Point | ≤19% | ≤19% |
| Low DC Cut-off Voltage | 2.9Vdc | 2.9Vdc |
| Low DC Warning Return Voltage | >20% | >20% |
| Charging Power (Utility + Solar) | 400W Max. | 500W Max. |
| Bulk Charging Voltage | 3.6Vdc | 3.6Vdc |
| Float Charging Voltage | 3.5Vdc | 3.5Vdc |
| Nominal Input Voltage (AC) | 230Vac | 230Vac |
| Nominal Input Frequency | 45~65Hz | 45~65Hz |
| AC Charging Power | 300W Max. | 500W Max. |
| Nominal PV Voltage | 30Vdc | 30Vdc |
| PV Array MPPT Voltage Range | 10Vdc~55Vdc | 10Vdc~55Vdc |
| Max. PV Array Open Circuit Voltage | 56Vdc | 56Vdc |
| Solar Charging Power | 300W Max. | 300W Max. |
| Capacity | 896Wh | 1004.8Wh |
| Nominal Battery Voltage | 3.2Vdc | 3.2Vdc |
| Typical Capacity | 280Ah | 314Ah |
| Max. Charge/Discharge Current | 130A | 130A |
| Operation Voltage Range | 2.9Vdc – 3.6Vdc | 2.9Vdc – 3.6Vdc |
| Operation Temperature | -10℃ ~ +50℃ | -10℃ ~ +50℃ |
| DC Output Power | 5W Max. | 5W Max. |
| DC Output Socket | 1pcs 5V1A USB charger | 1pcs 5V1A USB charger |
| Display Function | 4pcs SOC indicators, 1pcs working status indicators | 4pcs SOC indicators, 1pcs working status indicators |
| Noise (1m) | <40dB | <40dB |
| Humidity | 5~95% (no condensation) | 5~95% (no condensation) |
| Max. Altitude | <2000m | <2000m |
| Dimensions (L×W×H) | 210×156×356mm | 210×156×356mm |
| Package Dimensions (L×W×H) | 262×212×412mm | 262×212×412mm |
| Weight (NW) | 9.9Kg | 11.0Kg |
| Weight (GW) | 11.0Kg | 12.0Kg |
🌍 Typical Application Scenarios
Outdoor Camping & RV
Reliable off-grid power for camping trips, RV adventures, and outdoor events.
Emergency Backup Power
Essential backup power for homes and small businesses during blackouts or emergencies.
Remote Work Sites
Portable power solution for construction sites, field operations, and remote locations.
Media & Filming
Stable power for cameras, lights, and equipment during outdoor shoots and events.
⚡ Electrical Topology & Working Modes
The system supports three working modes: Solar Charging, AC Charging, and Battery-to-AC/USB Discharging, with seamless switching managed by the integrated BMS.
🛡️ Protection & Safety Features
Over-Voltage Protection
Under-Voltage Protection
Over-Temperature Protection
Short-Circuit Protection
Over-Current Protection
Reverse Polarity Protection
❓ Frequently Asked Questions
Q: How long does it take to fully charge the unit?
A: Using both AC and solar input simultaneously, the ESS300W+896Wh can be fully charged in approximately 2-3 hours, while the ESS500W+1000Wh takes about 2-3.5 hours depending on solar conditions.
Q: Can I use the unit while it’s charging?
A: Yes, the system supports pass-through charging, allowing you to power devices while simultaneously charging the battery via AC or solar input.
Q: What is the lifespan of the battery?
A: The LiFePO4 battery is rated for over 8000 cycles, translating to more than 10 years of typical use with proper care and maintenance.
Q: Is the unit suitable for indoor use?
A: Yes, the unit operates silently (under 40dB) and produces no emissions, making it safe for indoor use during power outages or as a backup power source.
🔗 Related Products
ESS 300W+896Wh
Compact all-in-one power station for light to medium outdoor use.
ESS 500W+1000Wh
Higher capacity and power output for more demanding applications.
📞 Business & Service Information
Contact Information
WhatsApp / WeChat: +86-13760212825 (COCO)
Warranty & Support
Comprehensive warranty, technical support, and customization solutions available.