DC 48V to 120V/240V AC Output 6000W Pure Sine Wave Power Inverter Charger off Grid Low Frequency Solar Inverter for Sealed Gel AGM Flooded Lithium Battery
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Product Highlights
- Pure Sine Wave Output: Delivers clean 50Hz/60Hz sine wave for sensitive electronics and appliances.
- Wide Battery Compatibility: Works with sealed, gel, AGM, flooded lead-acid, and lithium-ion batteries.
- High Efficiency MPPT Controller: Built-in 40A/60A/120A MPPT solar charge controller with 97% efficiency.
- Adjustable Charging Current: AC charger current adjustable in 5 stages from 20A to 90A for optimal battery life.
- Remote Monitoring Capability: Optional WiFi or SNMP remote monitoring and control for system management.
- Comprehensive Protection System: Includes low battery, overcharge, overload, short circuit, and over-temperature protection.
- Multi-Application Versatility: Ideal for off-grid homes, offices, RVs, and boats running heavy AC loads.
- Certified Safety Standards: Passed SAA, CE, ISO9001, CCC, and ETL certifications for global safety compliance.
Product Attributes
- Customization
- Available
- After-sales Service
- Yes
- Warranty
- 24 Months
- Model NO.
- GS1K-12K
- Nature of Source Flow
- Passive inverter
- Phase
- Single
- Output Power
- >1000W
- Certification
- SAA, CE, ISO9001, CCC
- Brand
- Zlpower
- Type
- DC/AC Inverters
- Power Source
- Solar Power
- Circuit Topologies
- Full-Bridge Type
- Nature of Wave String
- Sine Wave Inverter
- Nominal Power
- 1kw~12kw
- Input Phase
- Single Phase
- Wave Form
- Pure Sine Wave
- Power Factor
- 0.9-1.0
- Peak Power
- 3times of Rating Power
- Battery Mode Efficiency
- 87%
- Line Modee Efficiency
- 98%
- Built-in MPPT Solar Charge Controller
- 40A/60A Optional
- Solar Charge Efficiency
- 97%
- Frequency
- 50Hz/60Hz
- Transport Package
- Export Standard Package/Based on Your Requirement
- Specification
- CE, ISO9001, RoHS
- Trademark
- ZLPOWER/OEM
- Origin
- Shenzhen, China
- HS Code
- 8504403090
- Production Capacity
- 10, 000PCS/Month
- Package Size
- 76.00cm * 65.00cm * 45.00cm
- Package Gross Weight
- 60.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of DC 48V to 120V/240V AC Output 6000W Pure Sine Wave Power Inverter Charger off Grid Low Frequency Solar Inverter for Sealed Gel AGM Flooded Lithium Battery
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Product Description
DC 48V to 120V/240V AC Output 6000W Pure Sine Wave Power Inverter Charger Off Grid Low Frequency Solar Inverter for Sealed Gel AGM Flooded Lithium Battery
Main Features:* Compatible with lead-acid and lithium-ion batteries
* Remote monitoring & control(WiFi or SNMP optional)
* off grid transformer-based pure sine wave inverter charger
* It is great for whole house, office, RV and boat, running large AC loads like microwave oven, air conditioner, water heater, pumps, and so on

| Model | GS1K-12-40A | GS1K-24-40A | GS1K-48-40A | GS2K-12-40A | GS2K-24-40A | GS2K-48-40A | GS3K-12-40A | GS3K-24-40A | GS3K-48-40A | |
| AC Input | Nominal Power | 1000W | 1000W | 1000W | 2000W | 2000W | 2000W | 3000W | 3000W | 3000W |
| Input Voltage Waveform | sinusoidal (utility or generator) | |||||||||
| Nominal input Voltage | 230V | |||||||||
| Low Line Disconnect | 184V-263V±4%(Normal) 135V-270V±4%(Wide) |
|||||||||
| Max AC input Voltage | Max 270V | |||||||||
| Frequency | 50Hz:41-54Hz, 60Hz:51-64Hz | |||||||||
| AC Output | Power Factor | 0.9~1.0 | ||||||||
| Nominal Output Voltage (V) | 208V/220V/230V/240V | |||||||||
| Nominal Output Frequency (Hz) | 50Hz ± 0.3Hz, 60Hz ± 0.3Hz | |||||||||
| Output Voltage Requlation | ±10% rms | |||||||||
| Solar charger |
Rated Charge Current | 40A | 40A | 40A | 60A | 60A | 60A | 60A | 60A | 60A |
| PV Input Voltage range | 15V-40V for 12V, 25V-75V for 24V, 55-145V for 48V | |||||||||
| Max.PV open circuit array voltage | 12V for 40V, 24V for 75V, 48V for 145V | |||||||||
| Charger mode | MPPT | |||||||||
| PV Low Voltage Re-connect | PV≥Bat.V+3V | |||||||||
| PV Low Voltage Disconnect | PV<=Bat.V | |||||||||
| Efficiency | ≥97% | |||||||||
| AC Charger | Nominal Charger Current | 20A/35A/50A/70A/90A( 5 stages adjustable charging current) | ||||||||
| Over charge Protection | Bat.V≥15.5VDC for 12V battery,Bat.V≥31.0VDC for 24V battery,Bat.V≥62.0VDC for 48V battery, beeps 0.5s every 1s & fault after 60s | |||||||||
| Efficiency | Efficiency(Battery Mode) | ≥87% | ||||||||
| Efficiency (Line Mode) | >98% | |||||||||
| Battery Voltage | Nominal DC input Voltage | 12V | 24V | 48V | 12V | 24V | 48V | 12V | 24V | 48V |
| Low Battery Alarm | Default setting:10.5VDC±0.3VDC for 12VDC, can be adjusted by LCD display | |||||||||
| Default setting:21VDC±0.6VDC for 24VDC, can be adjusted by LCD display | ||||||||||
| Default setting:42VDC±1.2VDC for 48VDC, can be adjusted by LCD display | ||||||||||
| Low DC input shut-down | Default setting:10VDC±0.3VDC for 12VDC, can be adjusted by LCD display | |||||||||
| Default setting:20VDC±0.6VDC for 24VDC, can be adjusted by LCD display | ||||||||||
| Default setting:40VDC±1.2VDC for 48VDC, can be adjusted by LCD display | ||||||||||
| High DC input Alarm & Fault | Default setting:16VDC±0.3VDC for 12VDC, can be adjusted by LCD display | |||||||||
| Default setting:32VDC±0.6VDC for 24VDC, can be adjusted by LCD display | ||||||||||
| Default setting:64VDC±1.2VDC for 48VDC, can be adjusted by LCD display | ||||||||||
| Transfer Time | AC to DC | 20ms (max) | ||||||||
| DC to AC | 15ms (max) | |||||||||
| System Parameter | Over-Load Protection | 110%<load<150%, beeps 0.5s every 1s, and Fault after 60s off the output,load>150%, beeps 0.5s every 1s, and Fault after 20s |
||||||||
| Output Short Circuit Protection | Current limit (Fault after 10s) | |||||||||
| Surge Rating(10s) | 1:3(VA) | |||||||||
| Power Saver | Load≤25W (Enabled on "P/S auto"Setting of Remote control) | |||||||||
| Protections | Low battery, over charging, over load, over temperature | |||||||||
| Indicators | LED+LCD Display | |||||||||
| General Specifications |
Operating Temperature Range | -10ºC~50ºC | ||||||||
| Storage Temperature | -15ºC~60ºC | |||||||||
| Operation humidity | 5% to 95% (non-condensing) | |||||||||
| Audible Noise | 60dB max | |||||||||
| cooling | Forced air, variable speed fan | |||||||||
| Dimension(L*W*H) | 480*336*190mm | |||||||||
| Net Weight(kg) | 19.50kg | 19.50kg | 19.50kg | 23.50kg | 23.50kg | 23.50kg | 30.00kg | 30.00kg | 30.00kg | |
| Model | GS4K-24-60A | GS4K-48-60A | GS5K-24-60A | GS5K-48-60A | GS6K-24-60A | GS6K-48-60A | |
| AC Input | Nominal Power | 4000W | 4000W | 5000W | 5000W | 6000W | 6000W |
| Input Voltage Waveform | sinusoidal (utility or generator) | ||||||
| Nominal input Voltage | 230V | ||||||
| Low Line Disconnect | 184V-263V±4%(Normal) 135V-270V±4%(Wide) |
||||||
| Max AC input Voltage | Max 270V | ||||||
| Frequency | 50Hz:41-54Hz, 60Hz:51-64Hz | ||||||
| AC Output | Power Factor | 0.9~1.0 | |||||
| Nominal Output Voltage (V) | 208V/220V/230V/240V | ||||||
| Nominal Output Frequency (Hz) | 50Hz ± 0.3Hz, 60Hz ± 0.3Hz | ||||||
| Output Voltage Requlation | ±10% rms | ||||||
| Solar charger |
Rated Charge Current | 60A | 60A | 60A | 60A | 60A | 60A |
| PV Input Voltage range | 25V-75V for 24V, 55-145V for 48V | ||||||
| Max.PV open circuit array voltage | 24V for 75V, 48V for 145V | ||||||
| Charger mode | MPPT | ||||||
| PV Low Voltage Re-connect | PV≥Bat.V+3V | ||||||
| PV Low Voltage Disconnect | PV<=Bat.V | ||||||
| Efficiency | ≥97% | ||||||
| AC Charger | Nominal Charger Current | 20A/35A/50A/70A/90A( 5 stages adjustable charging current) | |||||
| Over charge Protection | Bat.V≥31.0VDC for 24V battery,Bat.V≥62.0VDC for 48V battery, beeps 0.5s every 1s & fault after 60s | ||||||
| Efficiency | Efficiency(Battery Mode) | ≥87% | |||||
| Efficiency (Line Mode) | >98% | ||||||
| Battery Voltage | Nominal DC input Voltage | 24V | 48V | 24V | 48V | 24V | 48V |
| Low Battery Alarm | Default setting:21VDC±0.6VDC for 24VDC, can be adjusted by LCD display | ||||||
| Default setting:42VDC±1.2VDC for 48VDC, can be adjusted by LCD display | |||||||
| Low DC input shut-down | Default setting:20VDC±0.6VDC for 24VDC, can be adjusted by LCD display | ||||||
| Default setting:40VDC±1.2VDC for 48VDC, can be adjusted by LCD display | |||||||
| High DC input Alarm & Fault | Default setting:32VDC±0.6VDC for 24VDC, can be adjusted by LCD display | ||||||
| Default setting:64VDC±1.2VDC for 48VDC, can be adjusted by LCD display | |||||||
| Transfer Time | AC to DC | 20ms (max) | |||||
| DC to AC | 15ms (max) | ||||||
| System Parameter | Over-Load Protection | 110%<load<150%, beeps 0.5s every 1s, and Fault after 60s off the output, load>150%, beeps 0.5s every 1s, and Fault after 20s |
|||||
| Output Short Circuit Protection | Current limit (Fault after 10s) | ||||||
| Surge Rating(10s) | 1:3(VA) | ||||||
| Power Saver | Load≤25W (Enabled on "P/S auto"Setting of Remote control) | ||||||
| Protections | Low battery, over charging, over load, over temperature | ||||||
| Indicators | LED+LCD Display | ||||||
| General Specifications |
Operating Temperature Range | -10ºC~50ºC | |||||
| Storage Temperature | -15ºC~60ºC | ||||||
| Operation humidity | 5% to 95% (non-condensing) | ||||||
| Audible Noise | 60dB max | ||||||
| cooling | Forced air, variable speed fan | ||||||
| Dimension(L*W*H) | 530*400*190mm | ||||||
| Net Weight(kg) | 30.00kg | 30.00kg | 35.50kg | 35.50kg | 39.00kg | 39.00kg | |
| Model | GS8K-48-120A | GS10K-48-120A | GS12K-48-120A | |
| AC Input | Nominal Power | 8000W | 10000W | 12000W |
| Input Voltage Waveform | sinusoidal (utility or generator) | |||
| Nominal input Voltage | 230V | |||
| Low Line Disconnect | 184V-263V±4%(Normal) 135V-270V±4%(Wide) |
|||
| Max AC input Voltage | Max 270V | |||
| Frequency | 50Hz:41-54Hz, 60Hz:51-64Hz | |||
| AC Output | Power Factor | 0.9~1.0 | ||
| Nominal Output Voltage (V) | 208V/220V/230V/240V | |||
| Nominal Output Frequency (Hz) | 50Hz ± 0.3Hz, 60Hz ± 0.3Hz | |||
| Output Voltage Requlation | ±10% rms | |||
| Solar charger |
Rated Charge Current | 120A | 120A | 120A |
| PV Input Voltage range | 55-145V for 48V | |||
| Max.PV open circuit array voltage | 145V | |||
| Charger mode | MPPT | |||
| PV Low Voltage Re-connect | PV≥Bat.V+3V | |||
| PV Low Voltage Disconnect | PV<=Bat.V | |||
| Efficiency | ≥97% | |||
| AC Charger | Nominal Charger Current | 80A( 5 stages adjustable charging current) | ||
| Over charge Protection | Bat.V≥62V, beeps 0.5s every 1s & fault after 60s | |||
| Efficiency | Efficiency(Battery Mode) | ≥87% | ||
| Efficiency (Line Mode) | >98% | |||
| Battery Voltage | Nominal DC input Voltage | 48V | 48V | 48V |
| Low Battery Alarm | Default setting:42VDC±1.2VDC for 48VDC, can be adjusted by LCD display | |||
| Low DC input shut-down | Default setting:40VDC±1.2VDC for 48VDC, can be adjusted by LCD display | |||
| High DC input Alarm & Fault | Default setting:64VDC±1.2VDC for 48VDC, can be adjusted by LCD display | |||
| Transfer Time | AC to DC | 20ms (max) | ||
| DC to AC | 15ms (max) | |||
| System Parameter | Over-Load Protection | 110%<load<150%, beeps 0.5s every 1s, and Fault after 60s off the output, load>150%, beeps 0.5s every 1s, and Fault after 20s |
||
| Output Short Circuit Protection | Current limit (Fault after 10s) | |||
| Surge Rating(10s) | 1:3(VA) | |||
| Power Saver | Load≤25W (Enabled on "P/S auto"Setting of Remote control) | |||
| Protections | Low battery, over charging, over load, over temperature | |||
| Indicators | LED+LCD Display | |||
| General Specifications |
Operating Temperature Range | -10ºC~50ºC | ||
| Storage Temperature | -15ºC~60ºC | |||
| Operation humidity | 5% to 95% (non-condensing) | |||
| Audible Noise | 60dB max | |||
| cooling | Forced air, variable speed fan | |||
| Dimension(L*W*H) | 645*450*225mm | |||
| Net Weight(kg) | 57.00kg | 63.50kg | 69.50kg | |
Company Profile:
Shenzhen ZLPOWER Electronics Co., Ltd. was established in 2007. We are national high-tech enterprise which professional in researching, manufacturing and exporting of UPS, power inverters and hybrid solar inverters. Our power capacity range from 400VA to 400KVA parallel series, which can satisfy different requirements of customers. We have passed ISO9001, ISO14001,CE, ETL, etc.
After several years' accumulation and development, ZLPOWER has a excellent researching and management team and many advanced production testing equipments, which ensures our products stability and innovation and got successful achievements in some fields.
Our products are mainly exported to Europe, Africa, Middle East, Asia, North and South America. They're widely used in finance, communication, medical treatment, industry, public security, civil power solutions.

Related products:
https://zlpower.en.made-in-china.com/product-list-1.html
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR2321651". Items marked "" are certified.
Company Profile
About ZLPOWER
Founded in 2007, Shenzhen ZLPOWER Electronics Co., Ltd. (ZLPOWER for short) is a key hi-tech enterprise in state "Torch Plan, " integrating science, industry, trade, and investment into a whole. It has registered capital of RMB 10million, covering a floor area of 2000sq. M, and owning assets of RMB 30 million.
As a large-scale enterprise group with total assets exceeding RMB 30 million, it currently employs more than 300 staff, operates R & D institutions, 10 products lines, and 8 overseas branches and offices for sales and service.
Also as a professional uninterruptible power supply manufacturer in Shenzhen, China, ZLPOWER mainly produce high frequency online UPS, computer PC UPS, rack mount online UPS, low frequency Industry three phase UPS, UPS Inverter, solar inverter, solar charger controller, Solar/UPS Battery and other related products.
In ZLPOWER, we are strictly on quality inspections. We implement strict IOC, IPQC, FQC, OQC, QA, and other quality control measures in every process according to ISO9001, including to raw materials selection, production, package, and shipment.
Thus, we are ISO9001: 2008 and SGS certificated, and all our UPS, Inverter power supply products have been approved by CE (LVD/EMC), UL tests. As a result, they are popular among our customers from Italy, Germany, South Africa, Egypt, Mozambique, Nigeria, UAE, Ukraine, Russia, Uzbekistan, Philippines, Chili, Peru, Brazil, Mexico and more.
ZLPOWER is looking for agent worldwide to distribute our quality UPS system, Inverter power and solar products to their local markets. Any interests please welcome to contact us today and look for best power solution.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Building 2, Runteng Shangpai Industry Zone 1, Number 3, Yonghe Road, Shiyan Town, Bao'an District, Shenzhen, Guangdong, China
-
Plant Area
- 3000 square meters
-
Number of Employees
- 125
-
Registered Capital
- 11,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- EXW, CFR, CIF, FOB
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shenzhen Port
-
Minimum Order Quantity
- 1 Piece
-
Supply Chain Partners
- 12
Our Production Capability & Technical Expertise
-
Main Products
- UPS, Inverter
-
Production Lines
- 5
-
Production Machines
- SMT equipment, Reflow welding equipment, AOI tester, Tester, Ageing rack
-
QA/QC inspectors
- 4 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 15 people
-
Traceability of Raw Materials
- No
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2007-11-29
-
Export Year
- 16 Years
-
Main Markets
- North America, Europe
-
Repeat Buyers Choice
- 30%~50%
-
Number of Foreign Trading Staff
- 7
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015, ISO14001
-
Cooperated with Fortune 500
- No
FAQ
- What battery types are compatible with this inverter?
- It is compatible with sealed, gel, AGM, flooded lead-acid, and lithium-ion batteries.
- Does the inverter include a solar charge controller?
- Yes, it features a built-in MPPT solar charge controller with options for 40A, 60A, or 120A.
- Can the charging current be adjusted?
- Yes, the AC charger current is adjustable in 5 stages ranging from 20A to 90A.
- Is remote monitoring available for this model?
- Yes, optional WiFi or SNMP remote monitoring and control are available.
- What protections are built into the system?
- It includes protection against low battery, overcharging, overload, short circuit, and over-temperature.
- What is the warranty period for this product?
- The product comes with a 24-month warranty.
- What certifications does the inverter hold?
- It holds SAA, CE, ISO9001, CCC, and ETL certifications.
- What is the peak power surge rating?
- The surge rating is 3 times the rated power for 10 seconds.
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