NB-605 - Inverter Steren - Free user manual and instructions

Product Type	DC-AC Power Inverter
Brand	Steren
Model	NB-605
Input Voltage	12V DC (typical for car or battery)
Output Voltage	120V AC or 230V AC (region dependent)
Output Power (Continuous)	600W
Output Power (Peak/Surge)	1200W
Output Waveform	Modified Sine Wave
USB Output	Yes, 5V/2.1A (for charging devices)
Dimensions (L x W x H)	Approx. 25 x 15 x 7 cm
Weight	Approx. 1.2 kg
Cooling	Built-in fan (temperature controlled)
Protection Features	Overload, short circuit, over-temperature, low voltage alarm & shutdown
Indicators	LED power and fault indicators
Material	Aluminum housing for heat dissipation
Safety Certification	CE, RoHS compliant
Included Accessories	Battery cables with alligator clips, user manual
Warranty	1 year limited warranty

Frequently Asked Questions - NB-605 Steren

What is the Steren NB-605 inverter used for?

The Steren NB-605 is a DC-AC power inverter that converts 12V DC power (e.g., from a car battery) into 120V or 230V AC power, allowing you to run household appliances or charge devices when away from a wall outlet.

What is the continuous power output of the NB-605?

It provides up to 600W continuous power and can handle peak surges up to 1200W for short periods.

Can I use the NB-605 to power sensitive electronics?

The inverter outputs a modified sine wave, which is suitable for most devices like laptops, lights, and small appliances. However, some sensitive equipment (e.g., medical devices, certain audio equipment) may require a pure sine wave inverter.

How do I connect the inverter to a battery?

Connect the red (positive) cable to the battery positive terminal and the black (negative) cable to the negative terminal. Ensure the inverter is turned off during connections. Use the included alligator clips or hardwire terminals.

What do the LED indicators mean?

A steady green LED indicates normal operation. A red LED or flashing light signals a fault such as overload, low battery voltage, or overheating. Refer to the manual for specific patterns.

How do I clean and maintain the inverter?

Keep the inverter in a dry, ventilated area. Dust the exterior with a soft cloth occasionally. Do not use liquids or spray cleaners. Ensure vents are unobstructed.

What should I do if the inverter shuts off unexpectedly?

It may be due to overload (reduce connected load), low battery voltage (recharge battery), or overheating (allow to cool). Let the inverter rest for 5-10 minutes before restarting.

Can I leave the inverter connected to the battery when not in use?

It is recommended to disconnect the inverter when not in use, as it draws a small quiescent current that could drain the battery over time.

What is the maximum battery capacity I can use with the NB-605?

The inverter is designed for 12V batteries. For best performance, use a deep-cycle battery with a capacity of at least 60Ah. Larger batteries provide longer runtime.

Is the Steren NB-605 protected against short circuits?

Yes, it features built-in protection against short circuits, overload, over-temperature, and low battery voltage to ensure safe operation.

USER MANUAL NB-605 Steren

Instrucciones

Especificaciones

STEREN PRODUCTO EMPACADO S.A. DE C.V.

Line drawing of a desktop computer tower with ventilation slots and buttons (no text or symbols)

Read this instruction manual carefully to avoid any malfunction.

The information shown in this manual is for product reference only.

• This device is not intended for use by people (including children), whose physical, sensory or mental abilities are different or reduced, or who lack experience or knowledge.
• Children should be supervised to ensure they do not use the device as a toy.
• The no-break is manufactured especially for use with computer equipment. Do not use it with scanners, laser printers, equipment that includes resistors, electric motors, etcetera.
- Do not use or store the no-break in places where there are leaks or splashes
- Do not try to open the no-break. It may cause a malfunction and void the warranty.
- If the power cord is damaged, contact an authorized dealer for replacement.

Controls

1. Power button
2. Activity LED indicators:
3. Green: stays on when the electrical power is on
4. Yellow: indicates the status of the battery, flashes when it is charging and stays on when it is fully charged.
5. Red: stays on when the No break is in backup mode.
6. Reset button
7. Polarized contacts
8. Power cable.

Instructions

Before using the UPS,

Connect it for 24 hours to charge

The battery and extend its life time.

After the first time, the battery

Will be charged at 90% in 8 hours. If you

leave the Not functioning for 3 months or

More, it must be charged for 12 hours

Before using it again,

1. Connect the no-break to an electrical outlet.
2. Connect your computer equipment to the polarized contacts.
3. Press the power button. If the voltage is normal, the green indicator will light.
4. In case of electrical failure, the red indicator will light and an alarm
   will be issued every 9 seconds.

The connected equipment will be backed up for 20 minutes, depending on the amount of energy they require.

Specifications

Input: 120 V \~ ± 10 %

Input frequency: 60 Hz ± 5%

Power output: 300 W (600 VA)

Output: 120 V\~ ± 10 % to 15 %

120 V\~ ± 10 % (with batteries)

Output frequency: 60 Hz ± 1% (sine wave)

Transfer time: < 10 ms

Battery type: 12 V / 7 Ah lead-acid

Backup time: ≥ 5 minutes

Charging time: < 12 hours (90 %)

Operating temperature: 0 to 40 °C

Storing temperature: -15 to 45 °C

RH: 10 to 95 %

Warranty

STEREN

Product: 600 VA UPS

Part number: NB-605

Brand: Steren

WARRANTY

This Steren product is warranted under normal usage against defects in workmanship and materials to the original purchaser for three months on the battery and one year on the other parts from the date of purchase.

CONDITIONS

1. This warranty card with all the required information, invoice or purchase ticket, product box or package, and product, must be presented when warranty service is required.
2. If the product is in the warranty time, the company will repair it free of charge.
3. The repairing time will not exceed 30 natural days, from the day the claim was received.
4. Steren sell parts, components, consumables and accessories to customer, as well as w
5. October sell parts, components, consumables and accessories to customers, as well as warranty service, at any of the addresses mentioned later.

THIS WARRANTY IS VOID IN THE NEXT CASES:

If the product has been damaged by an accident, acts of God, mishandling, leaky batteries, failure to follow enclosed instructions, improper repair by unauthorized personnel, improper safe keeping, among others.

a) The consumer can also claim the warranty service in the purchase establishment.

b) If you lose the warranty card, we can reissue it, if you show the invoice or purchase ticket.

RETAILER INFORMATION

Name of the retailer

Address

Product

Brand

Serial number

Date of delivery

In case your product fails or have questions, please contact your nearest dealer. If you are in Mexico, please call to our Call Center.

01 800 500 9000