📩 Contact via Email

✉️ Send email directly

💬 WhatsApp

WhatsApp QR Code

Scan to add, consult anytime

📱 Open chat directly

💖 WeChat

WeChat QR Code

Scan to add WeChat, one-on-one communication

High-efficiency energy storage, smart energy. Explore the innovation Product Center and open up a new future for green energy

Portable Inverter and Energy Storage System IMAX-ESS300W-896Wh IMAX-ESS500W-1000Wh

Portable Inverter and Energy Storage System IMAX-ESS300W-896Wh IMAX-ESS500W-1000Wh

• Power & Capacity: 300W/500W, 896Wh/1000Wh

• Output: Pure Sine Wave 185~230VAC 50Hz

• Solar Charging: 10-55Vdc, 300W Max

• Battery Life: ≥8000 cycles (LiFePO4)

Key Features:

  • Integrated BMS + Inverter design
  • AC & solar dual charging support
  • Comprehensive safety protection
  • Compact & lightweight (9.9/11.0kg)

Contact: COCO | WhatsApp/WeChat: +86-13760212825

Description

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

ModelESS 300W+896WhESS 500W+1000Wh
Rated AC Output Power300W500W
Output Voltage WaveformPure Sine WavePure Sine Wave
Output Voltage185~230VAC 50Hz185~230VAC 50Hz
Low DC Warning Point≤19%≤19%
Low DC Cut-off Voltage2.9Vdc2.9Vdc
Low DC Warning Return Voltage>20%>20%
Charging Power (Utility + Solar)400W Max.500W Max.
Bulk Charging Voltage3.6Vdc3.6Vdc
Float Charging Voltage3.5Vdc3.5Vdc
Nominal Input Voltage (AC)230Vac230Vac
Nominal Input Frequency45~65Hz45~65Hz
AC Charging Power300W Max.500W Max.
Nominal PV Voltage30Vdc30Vdc
PV Array MPPT Voltage Range10Vdc~55Vdc10Vdc~55Vdc
Max. PV Array Open Circuit Voltage56Vdc56Vdc
Solar Charging Power300W Max.300W Max.
Capacity896Wh1004.8Wh
Nominal Battery Voltage3.2Vdc3.2Vdc
Typical Capacity280Ah314Ah
Max. Charge/Discharge Current130A130A
Operation Voltage Range2.9Vdc – 3.6Vdc2.9Vdc – 3.6Vdc
Operation Temperature-10℃ ~ +50℃-10℃ ~ +50℃
DC Output Power5W Max.5W Max.
DC Output Socket1pcs 5V1A USB charger1pcs 5V1A USB charger
Display Function4pcs SOC indicators, 1pcs working status indicators4pcs SOC indicators, 1pcs working status indicators
Noise (1m)<40dB<40dB
Humidity5~95% (no condensation)5~95% (no condensation)
Max. Altitude<2000m<2000m
Dimensions (L×W×H)210×156×356mm210×156×356mm
Package Dimensions (L×W×H)262×212×412mm262×212×412mm
Weight (NW)9.9Kg11.0Kg
Weight (GW)11.0Kg12.0Kg

🌍 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

PV / AC Input
Integrated Inverter & BMS
LiFePO4 Battery Bank
AC Output
USB Output

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.

View All Products at imax-pwr.com →

📞 Business & Service Information

Contact Information

WhatsApp / WeChat: +86-13760212825 (COCO)

Warranty & Support

Comprehensive warranty, technical support, and customization solutions available.

Get In Touch​

We will reply you in 24 hours​
Talk to an Engineer
Join 100+ Industry Leaders – Get Your Custom Solution