Sun Gold Power 4000W 24V Pure Sine Inverter Charger 12kW Surge

Sun Gold Power 4000W 24V Pure Sine Inverter Charger 12kW SurgeProduct Overview This Sun Gold Power 4000W 24V pure sine wave inverter with charger is built for mobile and off grid power systems that need stable 120V AC without the drama. It is a low frequency inverter that combines the inverter, integrated battery charger, and AC auto transfer switch in one unit, designed for RVs, trailers, motorhomes, truck campers, and backup or off grid setups. The point is a cleaner, more predictable power setup that can run

Product Overview

This Sun Gold Power 4000W 24V pure sine wave inverter with charger is built for mobile and off-grid power systems that need stable 120V AC without the drama. It is a low-frequency inverter that combines the inverter, integrated battery charger, and AC auto-transfer switch in one unit, designed for RVs, trailers, motorhomes, truck campers, and backup or off-grid setups. The point is a cleaner, more predictable power setup that can run demanding appliances and equipment, recharge the battery bank from AC input when available, and switch over quickly when incoming power drops.

On the output side, it delivers pure sine wave 120VAC power with bypass mode, rated for 4000W continuous output. It also has a surge rating of 12,000W for 20 seconds, giving extra headroom for short start-up events and heavier initial demand. Typical transfer time is 10ms, supporting smoother transitions between AC input and battery power. Nominal efficiency is listed as greater than 88%, and the unit includes low idle current for improved efficiency, which matters when you are living on a battery note by note.

For 24V battery systems, the DC input specs are clearly defined. Nominal input voltage is 24V with a minimum start voltage of 20V. The low battery alarm range is 21V to 22V, and the low battery trip range is selectable from 20V to 21V. High voltage alarm is listed at 32V, and low battery restart voltage is 26V. Idle consumption is 48W, and power saver mode idle consumption is 19W, helping reduce wasted draw when the system is on standby between load cycles.

Charging is handled by the integrated AC charger rated at 50A ±5A. AC input voltage is 120VAC, with a selectable AC input range of 90–135VAC or 100–135VAC. Charge settings are selectable based on battery type, with adjustable charge current from 0% to 100%, and charging follows a 3-step intelligent battery charging method. Overcharge protection shutdown is specified at 31.4V. Day-to-day control is straightforward with an LCD display for monitoring, and remote control plus a BTS cable are included. The unit also supports AC or battery priority selection and automatic generator start when battery voltage is low.

Key Features

• 4000W low-frequency pure sine wave inverter with charger
• Inverter, battery charger, and AC auto-transfer switch in one unit
• AC or battery priority selectable
• Automatic generator start when battery voltage is low
• Adjustable charging current from 0% to 100%
• Supports 50Hz or 60Hz output frequency
• Low idle current for improved efficiency
• LCD display for system monitoring
• Remote control and BTS cable included
• Suitable for RV, trailer, motorhome, truck camper, backup, and off-grid use

Specifications

• Continuous output power: 4000W
• Surge rating: 12000W, 20 seconds
• AC output voltage: 120VAC
• AC input voltage: 120VAC
• Output waveform: pure sine wave, bypass mode
• Typical transfer time: 10ms
• Nominal efficiency: greater than 88%
• Nominal input voltage: 24V
• Minimum start voltage: 20V
• Low battery alarm: 21V–22V
• Low battery trip: 20V–21V, selectable
• High voltage alarm: 32V
• Low battery restart voltage: 26V
• Idle consumption: 48W
• Power saver mode idle consumption: 19W
• Charger rate: 50A ±5A
• AC input range: 90–135VAC, 100–135VAC selectable
• Overcharge protection shutdown: 31.4V
• Selectable charge settings based on battery type, adjustable charge current 0%–100%
• 3-step intelligent battery charging
• 4000W 24V low-frequency pure sine inverter
• User manual
• Remote control
• BTS cable
• Unit weight: 54 lb
• Unit size: 22 × 9.1 × 7.5 inch
• Shipping weight: 62.8 lb
• Shipping size: 27 × 13.4 × 13 inch

What’s Included

• 4000W 24V low-frequency pure sine inverter
• User manual
• Remote control
• BTS cable

Best For

• RV, trailer, motorhome, and truck camper builds needing stable 120VAC pure sine power
• 24V battery systems that want an all-in-one inverter, charger, and auto-transfer switch
• Backup setups that need typical 10ms transfer time for steadier switching
• Demanding appliance start-ups that benefit from 12,000W surge capability for 20 seconds
• Systems needing 50A ±5A AC charging with 0%–100% adjustable charge current
• Generator-backed builds using automatic generator start when battery voltage is low

Why This One Makes Sense

This unit is a practical fit when you want a 24V battery system to deliver stable 120VAC power in a clean, compact layout. You get 4000W continuous pure sine output with bypass mode, plus 12,000W surge for 20 seconds for short start-up events. The integrated AC charger supports 50A ±5A charging with selectable AC input range and 0% to 100% charge current adjustment, so charging behavior can be matched to the battery bank and the power source. Typical 10ms transfer time and selectable AC or battery priority help keep the system acting predictably, while power saver idle consumption of 19W helps reduce standby waste. Add the included remote control and BTS cable, LCD monitoring, and automatic generator start support, and it fits mobile and off-grid setups that need steady power without constant tinkering.