300W Buildin Battery off Grid UPS Inverter with Charger
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Product Highlights
- 4-in-1 Integrated Design: Combines inverter, charger, solar controller, and battery in one unit.
- Pure Sine Wave Output: Delivers clean AC power suitable for sensitive electronics and appliances.
- Flexible Battery Options: Supports internal batteries from 55Ah to 400Ah with extension terminals.
- Dual Power Priority: Selectable priority between grid power and solar power for optimal usage.
- Comprehensive Protection: Features overload, short-circuit, low battery, and over-temperature protection.
- Portable Trolley Design: Equipped with wheels for easy movement and transport of the unit.
- Multi-Output Capability: Includes AC, 5VDC USB, and 12VDC ports for various device charging.
- Advanced Display System: LCD and LED displays show status, alarms, and battery levels in real-time.
Product Attributes
- Customization
- Available
- Nature of Source Flow
- Active Inverter
- Phase
- Single
- Model NO.
- N-ST
- Output Power
- 300W-1500W
- Certification
- CE, ISO9001
- Brand
- Kemapower
- Type
- DC/AC Inverters
- Power Source
- Solar Power
- Circuit Topologies
- Full-Bridge Type
- Nature of Wave String
- Sine Wave Inverter
- Operation Environment Temperature
- 0-40oc
- Wave Form
- Sine Wave
- Frequency(Hz))
- 50Hz, 60Hz
- Voltage(VAC)
- 110V/120V, 220V/230V
- Application
- Electric Razor
- Transport Package
- Seaworthy Packing
- Specification
- 300W-1500W
- Trademark
- KEMAPOWER
- Origin
- China
- HS Code
- 8504403090
- Production Capacity
- 60, 000PCS/Year
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.
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Product Description

Model | NST55-300 | NST55-500 | NST110-500 | NST110-1000 | NST220-500 | NST220-1000 | NST400-500 | NST400-1000 | |
AC Output | Rated Power(W) | 300 | 500 | 500 | 1000 | 500 | 1000 | 500 | 1000 |
Voltage(VAC) | 220V or 110V, confirm when order | ||||||||
Frequency(Hz) | 50 or 60HZ | ||||||||
Wave Form | Pure Sine Wave | ||||||||
AC on/off Switch | YES | ||||||||
AC Input | Voltage(VAC) | 160-275VAC or 80-140VAC | |||||||
Frequency(Hz) | 45-65HZ | ||||||||
Battery | Battery Bank Voltage | 12VDC | 24VDC | 24VDC | 24VDC | ||||
Internal Battery | 1*GEL55AH-12VDC | 2*GEL55AH-24VDC | 4*GEL55AH-24VDC | 2*GEL200AH-12 | |||||
Extension Battery Advice | GEL55AH-12 | 2PCS GEL55-12 in series | 4PCS GEL55-12,2 series 2 parallel | 2PCS GEL200-12, 2 in series | |||||
Battery Switch | YES , Breaker for internal battery ,External battery breaker by user | ||||||||
Grid Charger | AC Charge Range | 110V or 220V +- 25% | |||||||
Charge Current | 12VDC 15AMP | 24VDC15AMP | 24VDC 15AMP | 24VDC15AMP | |||||
Charge Controller | Max Current | PWM 30A | PWM 30AMP | PWM 30AMP | PWM 30AMP | ||||
Rated VDC | 12VDC | 24VDC | 24VDC | 24VDC | |||||
Input Range | 10V to 25VDC | 20V to 50VDDC | 20V to 50VDDC | 20V to 50VDDC | |||||
Equalizing Charge Voltage | 14.3VDC | 28.6V | 28.6V | 28.6V | |||||
Float Voltage | 13.7VDC | 27.4VDC | 27.4VDC | 27.4VDC | |||||
Over Charge Protective Voltage | 14.2VDC | 28.4VDC | 28.4VDC | 28.4VDC | |||||
Over Charge Recover Voltage | 14VDC | 28VDC | 28VDC | 28VDC | |||||
Solar panel | Adviced Capacity | 36Cell, Max 500WP | 36Cell in series or 72 Cell / max 1000WP | 36Cell in series or 72 Cell / max 1000WP | 36Cell in series or 72 Cell / max 1000WP | ||||
PV Input Terminal | YES | YES | YES | YES | |||||
DC output | High Voltage Protective Voltage | 16VDC | 32VDC | 32VDC | 32VDC | ||||
High Voltage Recover Voltage | 15.2VDC | 30.4VDC | 30.4VDC | 30.4VDC | |||||
Low Voltage Recover Voltage | 12.6VDC | 25.2VDC | 25.2VDC | 25.2VDC | |||||
Low Voltage Protective Voltage | 11VDC | 22VDC | 22VDC | 22VDC | |||||
5VDC USB Output | 2 Port,/MAX 2A | ||||||||
12VDC DC Ports | 2 Port,/MAX 2A,option 12VDC 8AMP | ||||||||
DC Output Switch | YES | ||||||||
Display | LED Display | solar charge status/ Bat mode indicator / DC Output | |||||||
LCD Display | Input/Output VAC,HZ, Battery % , Load % ,Working Mode,Alarm ,Fault | ||||||||
Alarm | overload bat, alarm 4time /1sec; battery low protection,alarm 2times/2 secs;over Temp ,alarm 2 secs pause 1 sec | ||||||||
Fan Start Temperature | >45ºC turn fast;<42ºC slow turning | ||||||||
Operating Ambient Temperature | -20 - +50ºC | ||||||||
Storage Ambient Temperature | -25 - +55ºC | ||||||||
Operating/Storage Ambient | 0-90%non-condensing | ||||||||
Product Size:D*W*H(mm) | 343*225*443 | 423*260*453 | 513*310*493 | 575*518*580 | |||||
Packed Size:D*W*H(mm) | 420*290*490 | 520*370*520 | 610*420*550 | 680*640*725 | |||||
G.W of the package with bat | 26.7 | 28.4 | 42.9 | 47.6 | 76.9 | 82.2 | 161 | 171 | |


2 -AC Output (Max. 10A)
3 -AC Input
4 -Solar module input terminals
5 -External battery input terminals(option)
6 -Built-in battery switch
7 -RS232communication port
8 -Model stickers
9 -Heat dissipation window
11 -Solar input state indicator
12 -Battery mode indicator
13 -DC Output: 5VDC-USB, 12VDC output indicator
14 -5VDC-USB, 12VDC output ON/OFF switch
15 -12VDCoutput terminal
16 -5VDC-USB output terminal


About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR2211083". Items marked "" are certified.
Company Profile
Foshan KEMAPOWER ELECTRONICS Co., Ltd. is a leading manufacturer and trader of Backup Power and Solar power System with over 20 years' experience, with wide worldwide export in many other countries and regions owning 30 sales branches and agents in China. We specialize in manufacturing and supplying UPS, Power inverter, Battery charger, Battery, Solar street lamp kit, solar power system, AC voltage regulator, and other electrical power products. We are a company with ISO certificate and all of our products are designed and produced in accordance with ISO rules. The most of products have passed the CE certificate of EU certificate of U. S. A.
Our products not only occupy a large share in Chinese market but also export to many other countries and regions including USA, Arabia, Middle East, Europe and Southeast Asia with a wide recognition.
★Our motto:
- Take Quality First. We believe that success is in the details.
- Good Faith Utmost. We believe that quality products start with quality people.
- Specialized and professional with well skilled focus
Quality requirements of our products and services will be specified into every step of the whole process. Honesty is the most essential quality and character that every our employee shall have.
Market and sales policies
We, Kemapower Electronics Co., Ltd believe that our large success in market is based on three main policies.
- Long-term cooperation
It is our aim in establishing our relationship with every customer and helping him to win a constant development.
- Price positioning strategy
Small profits but quick turnover is our business experience. We always supply our high quality products with the best prices based on our quality criterion.
- After-sale service and support
As we all know, in the global world, where there are no limits anymore, the competition in every field is getting more thorough. High quality products based on strategy of total quality management is the key point. We believe that high quality is a must. Meanwhile, we believe that we need to differentiate ourselves in order to create customer satisfaction.
Obviously Customer satisfaction is the key word for the success. We believe that both our customers and we will achieve great successes in global market as well as in Chinese market in a win-win situation based on our abundant resource and Specialized and professional experience in the Power Products field.
About Our Factory & Business Background
- Address
- H/Block Beiyue Inductry Zone, Foshan, Guangdong, China
- Terms of Payment
- LC, T/T, Western Union
- International Commercial Terms(Incoterms)
- FOB, EXW, CFR, CIF, Others, FCA
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: one month - Nearest Port
- GUANGZHOU,SHENZHEN
Our Production Capability & Technical Expertise
- Main Products
- UPS Home UPS IPS, Inverter Solar Inverter Hybrid Solar Inverter, Solar Charge Controller Solar Regulator, Battery Charger, Solar Panel, Battery Solar Battery Gel Battery, Solar Power System Solar Generator, Solar Street Light Solar Light Head, off Grid Inverter on Grid Tie Inverter, Inverter Combin Charger
Our Industry Experience & Global Business Record
- Export Year
- 2004-09-16
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What is the output waveform of this inverter?
- The inverter provides a pure sine wave AC output, suitable for sensitive electronics.
- Can the battery capacity be customized?
- Yes, internal battery options range from 55Ah to 400Ah, and extension terminals are available.
- What is the auto transfer time for UPS function?
- The auto transfer time is 10 milliseconds, ensuring seamless power switching.
- Does the product support both grid and solar power?
- Yes, it supports both grid and solar power with selectable priority settings.
- What protection features are included?
- It includes comprehensive protection against overload, short-circuit, low battery, and over-temperature.
- Is the unit portable?
- Yes, the unit is designed as a trolley with wheels for easy movement.
- What are the available output ports?
- It offers AC output, 5VDC USB ports, and 12VDC ports for lamps and other devices.
- What is the operating temperature range?
- The operating ambient temperature range is -20 to +50 degrees Celsius.
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Product Groups
- Auto Voltage Regulator (AVR)
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- Solar Panel
- Solar Charger Controller
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