Overview
Hospitality Enviro Tech Solar Pure Sine Wave Off-Grid Inverter with Charger is designed to deliver reliable and efficient power conversion for solar energy systems. This product generates a stable pure sine wave output, ensuring compatibility with sensitive electronics and household appliances. It offers flexible working modes including AC mains priority, ECO mode, DC battery priority, and generator mode, making it adaptable for diverse energy needs.This device features a wide input voltage range with automatic frequency recognition, ensuring seamless operation in different environments. It supports multiple battery types such as Gel, SLA, AGM, Water, and Lithium (LiFePO4), providing versatility in energy storage solutions. With built-in overcharge protection, adjustable charging current, and intelligent transfer efficiency, the product ensures safe and efficient charging.Engineered with toroidal transformer design and RS485 communication capability, this inverter allows for monitoring and external control options. It is highly efficient, reliable, and suitable for both residential and commercial solar power applications.
Features
- Pure sine wave output ensures stable and clean electricity.
- Supports 12V/24V/48V DC battery input for flexible installations.
- High inverter efficiency up to 92% for energy savings.
- Fast transfer time ≤4ms for uninterrupted power supply.
- Multiple working modes: AC mains priority, ECO, DC battery priority, generator, unattended.
- Overcharge and overload protection for battery and load safety.
- Compatible with Gel, SLA, AGM, Water, and Lithium (LiFePO4) batteries.
- RS485 communication port available for Wi-Fi or external control.
- Toroidal transformer design for reduced heat and noise.
- Wide operating temperature range: 0 to 60 °C (32 to 140 °F).
- Humidity tolerance: 0–95%, no condensation.
- Adjustable AC charge current for optimized battery charging.
Technical Specifications
| Rated Power | 1 KW to 6 KW |
| Surge Power | 3 KW to 18 KW |
| AC Input Voltage | 220 V AC |
| Selectable AC Voltage Range | 165 V AC to 275 VAC (220 VAC) |
| AC Frequency Range | 50 Hz to 60 Hz automatic recognition |
| AC Voltage Regulation (Battery Mode) | 220 V AC ±3% |
| Transfer Time | ≤ 4 ms |
| Wave Form | Pure Sine Wave |
| Transformer Type | Toroidal |
| Transfer Efficiency | ≥85% |
| Battery Voltage | 12 V to 48 V |
| Battery Type | Gel, SLA, AGM, Water, Lithium (LiFePO4) |
| DC Charge Voltage | 12 VDC to 16 VDC (12 V), 20 VDC to 32 VDC (24 V), 40 VDC to 64 VDC (48 V) |
| Overcharge Protection | Battery voltage ≧16 VDC (12V), ≧32 VDC (24 V), ≧64 VDC (48 V), stop charging after 60s alarm |
| Maximum AC Charge Current | 35 A (adjustable) |
| Working Modes | AC mains priority, ECO, DC battery priority, Generator, Unattended |
| Communication Port | RS 485, compatible with Wi-Fi box & external control screen |
| Operating Temperature | 32 °F to 140 °F (0 °C to 60 °C) |
| Storage Temperature | 32 °F to 140 °F (0 °C to 60 °C) |
| Weight | 33 lb to 77 lb (15 kg to 35 kg) |
| Dimensions (DWH) | 23.6156.7 in to 30.71511 in (600380170mm to 780380280mm) |







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