Low Frequency Pure Sine Wave Hybrid Solar Inverter Off-Grid Inverter /Charger

Built-in MPPT Solar Controller (80A/100A)
High Efficiency above 90%
Multi-Protection
WiFi Monitor
Pure Sine Wave
Battery Voltage 12/24/48/96VDC

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Overview

Product Description

NVFM Series are with a robust low-frequency design and high-quality transformer, this advanced inverter/charger delivers pure sine wave output while seamlessly integrating solar charging and battery backup for industrial-grade power reliability. It adopts high-precision DSP control chip, precise detection circuit, advanced control technology, modular design is more convenient for installation and maintenance. Intelligent temperature-regulating fan, efficient heat dissipation, extending system life. The output is stable, clean and pure sine wave output. There are four working modes to choose:mains priority mode, battery priority mode, energy saving mode, and unattended mode. Has short circuit protection, over and under voltage protection, overload protection, overheat / short circuit automatic restart (automatic restart three times), wide frequency and wide voltage input.

Application

This low-frequency pure sine wave inverter/charger combines high-efficiency MPPT solar charging technology with advanced multi-stage battery charging capabilities to provide a comprehensive power solution. Featuring a high-quality toroidal transformer core, the system delivers superior surge capacity (up to 300% peak power) and stable voltage regulation, making it particularly suitable for powering inductive loads such as air conditioners, refrigerators, and power tools.

The integrated MPPT solar charge controller with 99% tracking efficiency maximizes photovoltaic energy harvest from solar arrays, while the smart battery charging algorithm extends battery life for various battery types including lead-acid and lithium-ion. The automatic transfer switch enables seamless transition between solar/grid/generator power sources with less than 10ms switching time, ensuring uninterrupted power supply for critical loads.

With its rugged design and wide operating temperature range (-20℃to 55℃), this system is ideally suited for demanding applications including off-grid solar systems, RV/marine power, solar stations, medical facilities, and industrial backup power. Additional features like programmable inverter mode further enhance its versatility across various energy scenarios.