AN-FGI-S4000NA Series Solar Inverter

The AN‑FGI‑S4000‑NA is a high‑frequency off‑grid solar inverter. It adopts pure sine‑wave output technology and comes with a built‑in MPPT solar charge controller. Featuring lithium‑battery automatic activation via AC and PV input, it supports battery‑free operation and delivers stable AC power for off‑grid loads. With air‑cooling design and IP21 protection rating, it offers users a cost‑effective, stable and reliable off‑grid power supply solution. Chinese Manufacturer, Focus on Wholesale. ( *Send inquiry, Get Discount Now!)

Rated Output Power

4000W

Frequency Range

50/60Hz

Maximum Charging Current

100A

Phase Configuration

1-phase in/out

Dual-Trigger Lithium Battery Activation Function

Supports automatic activation for deeply-discharged lithium batteries via AC grid or PV solar input, helping restore battery performance and boost battery utilization efficiency.

Battery-Free Operation

Supports battery free operation for flexible setup;
Smart charging algorithm to maximize battery lifespan;
Built in MPPT solar controller, max 100A charging current.

Intelligent Control, Easy Operation

Optional WiFi remote monitoring;
RGB status indicator lights;
One-key restoring to factory default settings.

Professional Service

1. Manufacturer, rich experience in Solar Inverter for 17 years.

2. A class solar panel, lifespan more than 25 years and 8 years battery.

3. Easy installation,connect each parts according to our use manual and video.

4. After-sales, provide professional solution within 48 hours.