1. Introduction
This manual provides essential information for the safe and efficient operation of your Livguard Neugen NU950 800 VA/12V Square Wave Inverter. Please read all instructions carefully before installation and use. This inverter is designed to provide reliable power backup for homes and small offices, featuring a square wave output suitable for various non-sensitive appliances.

Image 1: Front view of the Livguard Neugen NU950 Inverter, showcasing its compact design and LED indicators.
2. Safety Instructions
- Ensure proper ventilation around the inverter to prevent overheating.
- Do not expose the inverter to water, rain, or excessive moisture.
- Keep the inverter away from flammable materials and gases.
- Only qualified personnel should perform installation and maintenance.
- Do not open the inverter casing; there are no user-serviceable parts inside.
- Ensure correct battery polarity when connecting to avoid damage.
- Always disconnect power before performing any connections or disconnections.
3. What's in the Box
Upon unpacking, verify that the following items are included:
- Livguard Neugen NU950 Inverter Unit
- User Manual with Warranty Card
4. Setup and Installation
Follow these steps for proper installation of your inverter:
- Placement: Place the inverter in a cool, dry, and well-ventilated area, away from direct sunlight and heat sources. Ensure sufficient clearance for airflow.
- Battery Connection: The inverter is compatible with one 12V C20 battery with a capacity between 100 Ah and 220 Ah. Connect the battery terminals to the inverter's battery cables, ensuring correct polarity (red to positive, black to negative).
- Battery Type Selection: Use the 4-mode selector switch to match the inverter's charging profile to your battery type (Flat Plate, Tubular, SMF, or Local). Refer to your battery's specifications for the correct setting.
- Mains Power Connection: Plug the inverter's input power cord into a grounded AC wall outlet.
- Load Connection: Connect your appliances to the output sockets of the inverter. Ensure the total load does not exceed the inverter's rated capacity.

Image 2: The inverter unit highlighting its support for a single 12V battery (100-220 Ah), peak load capacity of 800 VA - 690 W, Smart Charge Technology, Square Wave output, and UPS & Eco modes.

Image 3: Detailed view of the inverter's features, including battery compatibility, overload protection, and battery charging management, along with its net weight of 7.5 kg.
5. Operating Instructions
The Livguard Neugen NU950 Inverter is designed for user-friendly operation.
5.1 Powering On/Off
- To power on, press and hold the power button until the indicators light up.
- To power off, press and hold the power button until the indicators turn off.
5.2 Modes of Operation
- UPS Mode: Provides uninterrupted power supply for sensitive electronics. The switchover time is rapid to prevent device restarts.
- ECO Mode: Optimizes energy consumption by allowing a slightly longer switchover time, suitable for less sensitive appliances.
5.3 Square Wave Output
This inverter generates a square wave output, making it suitable for a wide range of non-sensitive appliances and equipment, including lighting, fans, TVs, and kitchen appliances.
5.4 Quick Switchover
When grid power fails, the inverter ensures a rapid and seamless switch to battery mode, preventing disruptions to your connected devices.

Image 4: Key features of the Livguard Neugen NU950 Inverter, including its Square Wave Output, compact and portable design, and advanced LED display for real-time monitoring.

Image 5: Illustrates the load capacity for various appliances (TV, LED bulb, Fan, Tubelight, Laptop, WiFi Router) and estimated backup times for 150 Ah and 200 Ah batteries at 50% and 75% load.
6. Maintenance
Regular maintenance ensures the longevity and optimal performance of your inverter.
- Battery Charging Management: The inverter efficiently charges your batteries and prevents overcharging, extending battery life. The AI Charging feature analyzes battery health and adapts input voltage accordingly.
- Cleaning: Keep the inverter clean and free from dust. Use a dry cloth to wipe the exterior. Do not use liquid cleaners.
- Ventilation: Ensure that the ventilation openings are not blocked to allow proper heat dissipation.
- Connections: Periodically check all connections (battery, mains, load) to ensure they are secure and free from corrosion.
7. Troubleshooting
This section addresses common issues you might encounter with your inverter.
| Problem | Possible Cause | Solution |
|---|---|---|
| Inverter not turning on | No mains power, discharged battery, loose battery connections | Check mains power, ensure battery is charged, tighten battery terminals. |
| Overload indicator on | Too many appliances connected, short circuit | Reduce connected load, check for short circuits in appliances. The inverter has built-in overload protection. |
| Battery not charging | Mains power off, faulty battery, incorrect battery type setting | Check mains power, test battery, verify battery type selector switch setting. |
| Inverter beeping continuously | Low battery, overload, internal fault | Check battery level, reduce load. If problem persists, contact customer support. |
The inverter also features Dual Thermal Protect for surge protection of the PCB and Transformer.
8. Specifications
Technical specifications for the Livguard Neugen NU950 Inverter:
| Feature | Detail |
|---|---|
| Brand | Livguard |
| Model Name | NU950 |
| Recommended Uses | Home, Office |
| Power Source | Battery Powered |
| Wattage | 690 Watts |
| Battery Capacity Compatibility | 1 x (12V) C20 battery, 100 Ah - 220 Ah |
| Voltage | 12 Volts |
| Electrical Output Waveform | Square Wave |
| Item Dimensions (L x W x H) | 32L x 29W x 16.9H Centimeters |
| Item Weight | 7500 Grams (7.5 Kg) |
| Colour | Black |
| Country of Origin | India |

Image 6: The Livguard Neugen NU950 Inverter with its dimensions (32 cm length, 29 cm width, 16.9 cm height) and net weight (7.5 Kg) indicated.
9. Warranty and Support
Your Livguard Neugen NU950 Inverter comes with a comprehensive warranty and dedicated customer support.
9.1 Warranty Information
The inverter is covered by a 3-year manufacturer's warranty from the date of purchase. Please retain your purchase receipt and the warranty card included in the box for future reference.
9.2 Customer Support
For any assistance, technical queries, or to avail after-sales support, please contact our dedicated customer service team:
- Toll-Free Number: 1800-1025-551
- Our dedicated engineers aim to visit your location within 48-72 hours for service requests.