off grid inverter 3-6kW Energy Storage Inverter 3-6kW solar inverter
Original price was: $350.00.$326.00Current price is: $326.00.
off grid inverter 3-6kW
Digital Pure Sine Wave: Clean, ultra-stable output for sensitive electronics.
Built-in MPPT: Maximum PV solar charging efficiency.
Smart Monitoring: USB, RS485, CAN ports + optional Wi-Fi app tracking.
Dual Battery Ready: Fully compatible with Lithium and Lead-acid batteries.
6-Layer Protection: Built-in safeguards for overload, short circuit, battery health.
Quiet Smart Cooling: Variable-speed fan for efficient thermal management.
Real-time Display: Intuitive LCD + 3 LEDs for instant status and voltage tracking.
Off grid inverter 3-6kW Achieve complete energy independence with our high-performance 3kW to 6kW off-grid inverter lineup, engineered for remote homes, cabins, workshops, and emergency backup systems. Featuring pure sine wave technology powered by digital control, these units deliver ultra-stable electricity that matches or exceeds utility grid quality, keeping your sensitive electronics, appliances, and tools running smoothly.
Designed as an all-in-one power hub, it integrates a high-efficiency built-in MPPT solar charge controller to optimize energy harvest from your panels. Management and monitoring are easier than ever thanks to triple monitoring ports (USB + RS485 + CAN) and optional Wi-Fi remote access, allowing you to track your system performance anytime and anywhere via an intuitive LCD screen and LED status indicators.
Built for maximum versatility and longevity, the unit is dual battery compatible (supporting both lead-acid and lithium batteries) and features a smart variable-speed cooling fan for quiet operation. Backed by six robust protection systems—including safeguards against overload, short circuits, and deep discharge—this 3kW–6kW off-grid inverter delivers dependable, worry-free power in any environment.
| ENR Series Off-Grid Solar Inverter / UPS Specification | ||||||
| Parameter | ENR03 | ENR03.6 | ENR05 | ENR06 | Unit | Remarks |
| AC Mode | ||||||
| Rated Input Voltage | 230V | 230V | 230V | 230V | VAC | Single phase |
| Input Voltage Range | 170-280V | 170-280V | 170-280V | 170-280V | VAC | For personal computers |
| Input Frequency | 50/60Hz | 50/60Hz | 50/60Hz | 50/60Hz | Hz | Auto-sensing |
| Output Voltage (AC mode) | 230V ± 5% | 230V ± 5% | 230V ± 5% | 230V ± 5% | VAC | |
| Output Frequency (AC mode) | 50/60Hz | 50/60Hz | 50/60Hz | 50/60Hz | Hz | Auto-sensing |
| Transfer Time | ≤10ms | ≤10ms | ≤10ms | ≤10ms | ms | |
| Inverter Mode | ||||||
| Output Waveform | Pure sine wave | Pure sine wave | Pure sine wave | Pure sine wave | ||
| Rated Output Power | 3000W | 3600W | 5000W | 6000W | W | |
| Surge Power | 6000W | 7200W | 10000W | 12000W | W | 5 seconds |
| Output Voltage (battery mode) | 230V ± 5% | 230V ± 5% | 230V ± 5% | 230V ± 5% | VAC | |
| Output Frequency (battery mode) | 50/60Hz ± 1% | 50/60Hz ± 1% | 50/60Hz ± 1% | 50/60Hz ± 1% | Hz | |
| Inverter Efficiency (peak) | ≥90% | ≥90% | ≥90% | ≥90% | % | |
| Overload Protection | 110% ± 5% | 110% ± 5% | 110% ± 5% | 110% ± 5% | % | Auto shut-down |
| Battery | ||||||
| Rated Battery Voltage | 48V | 48V | 48V | 48V | VDC | |
| Battery Type | LiFePO₄ / Lead-acid | LiFePO₄ / Lead-acid | LiFePO₄ / Lead-acid | LiFePO₄ / Lead-acid | User selectable | |
| Low Voltage Alarm | 42V | 42V | 42V | 42V | VDC | |
| Low Voltage Cut-off | 40V | 40V | 40V | 40V | VDC | |
| Charging Algorithm | MPPT / PWM | MPPT / PWM | MPPT / PWM | MPPT / PWM | ||
| AC Charging | ||||||
| Max. AC Charging Current | 60A | 60A | 80A | 80A | A | |
| Charging Voltage | 54V | 54V | 54V | 54V | VDC | Absorption |
| Float Charging Voltage | 54V | 54V | 54V | 54V | VDC | |
| PV Charging | ||||||
| Max. PV Array Power | 3000W | 3600W | 5000W | 6000W | W | |
| Max. PV Open Circuit Voltage | 150V | 150V | 150V | 150V | VDC | |
| MPPT Voltage Range | 60-115V | 60-115V | 60-115V | 60-115V | VDC | |
| Max. PV Charging Current | 60A | 60A | 80A | 80A | A | |
| Max. Solar Input Current | 30A | 30A | 40A | 40A | A | |
| Parallel Operation | ||||||
| Max. Parallel Units | 6 units | 6 units | 6 units | 6 units | units | Up to 6 in parallel |
| Parallel Type | Single phase / 3-phase | Single phase / 3-phase | Single phase / 3-phase | Single phase / 3-phase | ||
| Certified Specifications | ||||||
| Certification | CE | CE | CE | CE | ||
| Operating Temperature | -10°C ~ 50°C | -10°C ~ 50°C | -10°C ~ 50°C | -10°C ~ 50°C | °C | |
| Storage Temperature | -15°C ~ 60°C | -15°C ~ 60°C | -15°C ~ 60°C | -15°C ~ 60°C | °C | |
| Humidity | 5% ~ 95% | 5% ~ 95% | 5% ~ 95% | 5% ~ 95% | % | Non-condensing |
| Dimensions (W×D×H) | 360×360×125mm | 360×360×125mm | 360×360×125mm | 360×360×125mm | mm | |
| Net Weight | 7.5kg | 8.0kg | 9.5kg | 10.5kg | kg | |




