If you are looking for a high pure sine-wave inverter and high-capacity charger, the SunGoldPower low-frequency inverter is your best choice. It combines an inverter, battery charger, and transfer switch into one complete system; this 24V dc to 120v ac inverter boasts a 300% surge capacity for 20 seconds to reliably support tools and equipment longer. The inverter charger is found on practically every RV, trailer, motorhome, and truck camper and is a good solution for backup or off-grid power solutions. This inverter requires 120VAC input and can provide 120VAC output power for the appliances, and it can output 50 or 60Hz via the SW4.
This LFP Series Pure Sine Wave Inverter 4000 watt combines an inverter, battery charger, and AC auto-transfer switch. Low frequency, low Idle Current, BTS cable, remote control.
AC/Battery Priority: Our inverter is designed with AC priority by default; you can choose the battery priority by SW5 switch.
Adjustable Charging Current: The max charge current can be adjusted from 0%-100% via a liner switch.
Auto Gen Start: The inverter can start up a generator when the battery voltage goes low. And turn the generator off after battery charging is finished.
*4000W Low-Frequency Pure Sine Inverter With Charger.
*AC/Battery Priority Selector.
*Automatic Generator Start.
*Safety and Convenient.
*The low-frequency inverter can power all kinds of appliances.
*LCD Display, Remote Control, BTS including.
*Low Idle Consumption.
*9 battery type settings for the charger.
*Multi Stage Smart charger 50+/-5A charger can be disabled.
*10msec typical transfer time.
*Continuous Output Power: 4000W
*Surge Rating: 12000W (20 Seconds)
*AC Output: 120VAC
*AC Input: 120VAC
*Output Wave: Pure Sine Wave (bypass mode)
*Typical Transfer Time: 10ms (MAX)
*Nominal Efficiency: >88%
*Nominal Input Voltage: 24.0Vdc
*Minimum Start Voltage: 20.0Vdc
*Low Battery Alarm: 21.0Vdc-22.0Vdc
*Low battery Trip: 20.0Vdc-21.0Vdc (select by SW1)
*High Voltage Alarm: 32.0Vdc
*Low battery Voltage Restart: 26Vdc
*Idle Consumption: 48W
*Power Saver Mode Idle Consumption: 19W
*Charger Rate: 50+/-5A
*AC input Range (Grid or Generator): 90V-135VAC/100V-135VAC (select by SW2)
*Over Charge Protection Shutdown:31.4V
*Selectable Charge Setting based on battery type Adjustable charge current: off 0%-100%
*3-step intelligent battery charger
*4000W 24V Low-Frequency Pure Sine Inverter
*Unit Weight: 54 LB
*Unit Size: 22x 9.1x 7.5inch
*Shipping Weight: 62.8LB
*Shipping Size: 27x13.4x13inch
Frequently Asked Questions
1. For charging with DC input, can I directly connect a 24v solar panel to this, or do the solar panels have to go through a charge controller?
This inverter doesn't have a built-in solar controller; you need to have an external solar controller if you want it to work with a solar panel.
2. What is the idle wattage?
The idle power is 19W if saver-on mode and the idle power is 48W if saver-off model.
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