Low Frequency Pure Sine Wave Power Charger Inverter
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Product Highlights
- Pure Sine Wave Output: Provides clean 120/230VAC power with 0.9-1.0 power factor for sensitive electronics.
- Wide Input Voltage Range: Supports 110/220VAC input and 12/24/48VDC battery systems with auto-detection.
- High Efficiency Design: Achieves 95% efficiency in AC mode and 88% in battery mode for energy savings.
- Built-in 35A/70A Charger: Features adjustable battery charging current with 3-step charging protection.
- Comprehensive Certifications: Certified with CE, RoHS, ISO9001, UL, SAA, CCC, and TUV for global compliance.
- Robust Protection Systems: Includes overload, short circuit, over-temperature, and low battery protection.
- Flexible Customization: Offers OEM/ODM services, logo printing, and full customization from designs.
- Fast Transfer Time: Line transfer time is only 10ms, ensuring seamless power switching.
Product Attributes
- Customization
- Available
- Nature of Source Flow
- Active Inverter
- Certification
- CCC, ISO9001, RoHS, CE, SAA
- Model NO.
- LW500-LW6000
- Output Power
- 500W~6000W
- Grid Type
- off-Grid Inverter
- Output Type
- Dual
- Circuit Topologies
- Full-Bridge Type
- Nature of Wave String
- Sine Wave Inverter
- Type
- DC/AC Inverters
- Power Capacity
- 500W~6000W
- Peak Power
- 3times of Rating Power
- Power Factor
- 0.9-1.0
- Phase&Wave
- Single Phase&Pure Sine Wave
- Battery Charger
- 35A/70A
- AC Mode Efficiency
- 95%
- Battery Mode Efficiency
- 88%
- 3-Step Charging
- Battery Charge Current Adjustable
- Over Load,Over Charging Protection
- Low Battery Over Temperature Protection
- Frequency
- 50/60Hz
- Transport Package
- Export Standard Package/Based on Your Requirement
- Specification
- CE
- Trademark
- zlpower
- Origin
- Shenzhen, China
- HS Code
- 8504403090
- Production Capacity
- 10, 000PCS/Month
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 Low Frequency Pure Sine Wave Power Charger Inverter
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Product Description
1. Input voltage: AC: 110/220vac, DC: 12v/24v/48v
2. Built-in charger
3. Single phase inverter
4. CE certificate

Specifications:
| Product Series | LW1000 | LW2000 | LW3000 | LW4000 | LW5000 | LW6000 | |
| General Specification | Input Wave form | Sine wave (Utility or Generator) | |||||
| Nominal voltage | 120VAC | 230VAC | |||||
| Low voltage trip | 90v+4% | 184v/154v+4% | |||||
| Low voltage reconnect | 100v+4% | 194v/164v+4% | |||||
| High voltage trip | 140v+4% | 253v+4% | |||||
| High voltage reconnect | 135v+4% | 243v+4% | |||||
| Max input AC voltage | 150VAC | 270VAC | |||||
| Nominal input frequency | 50Hz or 60Hz (Auto detect) | ||||||
| Low freq trip | 47Hz for 50Hz, 57Hz for 60Hz | ||||||
| High freq trip | 55Hz for 50Hz, 65Hz for 60Hz | ||||||
| Output wave form | (Bypass mode) same as input | ||||||
| Overload protection | Circuit breaker | ||||||
| Short circuit protection | Circuit breaker | ||||||
| Transfer switch rating | 30amp or 40amp | ||||||
| Efficiency on line transfer time | 95%+ | ||||||
| Line transfer time | 10ms Typical | ||||||
| Bypass without battery connected | yes | ||||||
| Max bypass current | 30amp or 40amp | ||||||
| Bypass overload current | 35amp or 45amp: Alarm | ||||||
| Inverter Specifica Inverter Specification output | Output wave form | Pure sine wave | |||||
| Output continuous power watts | 1000 | 2000 | 3000 | 4000 | 5000 | 6000 | |
| Output continuous power VA | 1000 | 2000 | 3000 | 4000 | 5000 | 6000 | |
| Power factor | 0.9-1.0 | ||||||
| Nominal output voltage rms | 120/230VAC | ||||||
| Output voltage regulation | 10% rms | ||||||
| Output frequency | 50Hz+0.3Hz or 60Hz+0.3Hz | ||||||
| Nominal efficiency | >88% | ||||||
| Surge ratings | 3000 | 6000 | 9000 | 12000 | 15000 | 18000 | |
| Short circuit protection | Yes, fault after 10 seconds | ||||||
| Inverter Specification Input | Nominal input voltage | 12V | 24V | 48V | |||
| Minimum start voltage | 10V | 20V | 40V | ||||
| Low battery alarm | 10.5V | 21V | 42V | ||||
| Low battery trip | 10V | 20V | 40V | ||||
| High voltage alram | 16V | 32V | 64V | ||||
| Power saver | Below 25watts when enabled | ||||||
| Power saver | Same switched on/off on remote | ||||||
| Charge Mode Specification | Input voltage range | 95-127VAC | 194-243VAC/ 164-243VAC(W) | ||||
| Output voltage range | Dependent on battery type | ||||||
| Charge current | 35A/70A | ||||||
| Batteryinitial voltage for start up | 0-15.7v for 12v (*2 for 24v; *4 for 48v) | ||||||
| Over charge protection shutdown | 15.7v for 12v (*2 for 24v; *4 for 48v) | ||||||
| Others | Remote control/RS232/USB | Yes, Optional | |||||
| Size: in mm | 1000/2000/3000 Model: 442*218*179 | ||||||
| 4000/5000/6000 Model: 598*218*179 | |||||||
| Net weight | LW1000 | LW2000 | LW3000 | LW4000 | LW5000 | LW6000 | |
| 18kgs | 20kgs | 22kgs | 35gs | 38kgs | 40kgs | ||
Company Profile:


Package:
FAQ:Q 1. What's the payment terms and payment method ?
A. We accept L/C, T/T, Credit Card, Western Union, Money Gram, etc.
Usually 30% deposit, 70% before shipment.
Q 2. How's the delivery time ?
A. It usually takes about 3-10 days after payment arrived.
Q 3. How about package ?
A. For the small UPS and the inverters less than 30kg will be packed in foams and cartons. For the big UPS and inverters heavier than 30kg will be packed in pallets or wood boxes .
Q 4. Would you accept to print our logo and design ?
A. Yes, we can print your logo on the inverters, UPS and cartons. Also welcomed your own design of these inverters and UPS.
Q 5. What kind of certificates you have ?
A. For company have ISO9001, ISO14001, TUV and SGS factory certification.
For UPS and power inverters, we have CE,IEC, KC and ETL, etc.
Q6. When the product have problem, how to solve it ?
A. We have a professional after-sales team, in case of any problems, first contact us to help you solve, we have a 24 months warranty and lifetime technical support. We will track product usage until you are satisfied.
Raleated 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 are the payment terms and methods?
- We accept L/C, T/T, Credit Card, Western Union, and Money Gram. Usually, a 30% deposit is required, with the remaining 70% paid before shipment.
- What is the delivery time?
- Delivery typically takes 3-10 days after payment is received. Peak and off-season lead times are within 15 workdays.
- How are the products packaged?
- Inverters under 30kg are packed in foams and cartons. Heavier units are packed in pallets or wood boxes for safety.
- Do you accept logo printing or custom designs?
- Yes, we can print your logo on inverters, UPS, and cartons. We also welcome custom designs for these products.
- What certifications do you have?
- We hold ISO9001, ISO14001, TUV, and SGS factory certifications. Products include CE, IEC, KC, ETL, UL, SAA, and CCC.
- How do you handle product problems?
- We provide a 24-month warranty and lifetime technical support. Our professional after-sales team will track usage until you are satisfied.
- What is the warranty period?
- We offer a comprehensive 24-month warranty for all mechanical and electrical defects.
- What is the minimum order quantity?
- The minimum order quantity is 1 piece, allowing for flexible purchasing options.
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