LFP Series 4000W Split-Phase Pure Sine Wave Inverter with Charger

Overview

The LFP Series 4000W Split-Phase Pure Sine Wave Inverter combines an inverter, battery charger, and AC auto-transfer switch into a single, reliable system. Designed for off-grid homes, RVs, and backup power setups, it supports both 120V and 240V appliances. Its low-frequency design, adjustable charging, and automatic generator start ensure continuous, efficient power while protecting your batteries.

Benefits

• Power a wide variety of appliances with flexible 120V or 240V output.
• Automatic switching between AC and battery ensures uninterrupted operation.
• Protect and extend battery life with adjustable multi-stage charging.
• Automatic generator start keeps your system running when battery levels are low.
• Energy-efficient low idle consumption reduces waste and saves electricity.

Features

• 4000W Low-Frequency Split-Phase Pure Sine Inverter with Built-in Charger.
• AC/Battery Priority Selector for customizable power management.
• Automatic Generator Start for backup convenience.
• Supports all types of appliances with low-frequency output.
• LCD Display and Remote Control included for easy monitoring.
• Low Idle Consumption for energy efficiency.
• 7 Battery Type Settings for optimized charging.
• Multi-Stage Smart Charger (120±5A) with disable option.
• Typical 10ms transfer time for seamless power transition.
• Enhanced safety and convenience features.

Specifications

Inverter Output

• Continuous Output Power: 4000W
• Surge Rating: 12000W (20 Seconds)
• Output Voltage: 120V and 240V AC
• AC Input: 240V
• Output Waveform: Pure Sine Wave (Bypass Mode)
• Typical Transfer Time: 10ms (MAX)
• Nominal Efficiency: >88%

DC Input

• Nominal Input Voltage: 12VDC
• Minimum Start Voltage: 10VDC
• Low Battery Alarm: 10.5–11.0VDC
• Low Battery Trip: 10.0–10.5VDC (selectable via SW1)
• High Voltage Alarm: 16VDC
• Low Battery Restart Voltage: 13VDC
• Idle Consumption: 45W
• Power Saver Mode Idle Consumption: 18W

AC Charger

• Max Charging Current: 120±5A
• AC Input Range (Grid or Generator): 90–135VAC / 100–135VAC / 140–270VAC / 184–253VAC (selectable via SW2)
• Overcharge Protection Shutdown: 15.7V
• Adjustable Charge Current: Off–100%
• 3-Step Intelligent Battery Charger

Packaging

• 4000W 12V Low-Frequency Pure Sine Inverter
• Remote Control
• BTS Cable
• English Manual
• Unit Weight: 53LB
• Unit Size: 17.4 × 9.5 × 7.8 inches
• Shipping Weight: 57LB
• Shipping Size: 26 × 12.6 × 12.0 inches

FAQ

• What is the idle wattage?
  Idle power is 45W in normal mode and 18W in power saver mode.
• Can this work with Enphase microinverters on the same grid?
  No, it cannot be stacked with other inverters on the same grid.
• Does the charger work on 120 volts or require 24 volts?
  The AC input is 240V, the AC output is 120V/240V, and DC voltage is 12V.