Nagaros Portable Bag Sealer User Manual

Overheating Protection
Protection time 2 minutes

3 indicators flash simultaneously

Power ON/OFF(long press)
Level Switch(short press)

Knob indicator

When the knob indicator is located
in the area between "+"and "-", the
safety lock will take effect and the
product will not be accidentally
activated.

Cutting Mode

Contact temperature
sensing area

* Avoid product damage due to
overheat. Stop use immediately
if it is hot.

* Make sure to cool it to room
temperature before use!

USB charging port

Suspension leather label

Function Switch Knob

WARNING

Do not insert your fingers
into the sealer/opening
chamber to avoid scald or
stabbing of knife.

Low-power

1

level for thin bags

Mid-power

2

level for common bags

High-power

3

level for thick bags

Sealing Mode

sealing/safety lock/cutting

Referece line

Magnet

1.2 Characteristics

Highly convenient and portable

It is highly portable by eliminating the power
socket and using built-in power supply; it can be
attached on the refrigerator based on the rear
magnet; it can be suspended on the position
required based on the tail leather label.

There-level temperature adjustment,
ensuring high safety and reliability:

With built-in intelligent temperature adjusting
circuit board and 3 levels (high-power,
Mid-power and low-power level), the Product
can satisfy the sealing of general bags, thick bags
and thin bags. It is fitted with patented 3-level
anti-scald function and intelligent 2-level
protection.

Long-term running based on USB charging:

With large-capacity rechargeable lithium battery,
the Product can be used for about half a year
after one-time charging *.

Introduction: The Machine can be used for
about 5-6 months under Mid-power level if being
used for sealing polythene bags with length of
18cm and thickness of 0.14mm at high efficiency
per day.

1.3 Applications

General plastic bags; for example, the plastic bags
for food preservation, with resistance to moisture
and mould and easy sealing.

1.4 Scope of Application

Application scope: The bags coated with

aluminum foil, made of PP, PE and PVC, with
thickness ≤0.3mm.

Not applicable: The Product fails to seal the paper
bag, pure-aluminum bag and oily extra-thick bag.

2.How to Use

2.1 Preparatory work and
charging

Insert the USB wire for charging; when charging
starts, the indicator flickers slowly and then becomes
normally on. When 3 indicators are normally on, the
charging is done and please unplug the USB wire.

Attention: Please use the standard 5V-1A DC power
supply for charging the Product; otherwise, the
Product may be damaged permanently.

2.2 Power on/off

Power on:

Long press the power button for 2 s for startup.

Power off:

Long press the power button for 2 s for shutdown.

Automatic shutdown: If the Product is idled for
1min after startup, it will shut down automatically.

Automatic shutdown: If the Product is idled for 1min
after startup, it will shut down automatically.
If the Product is idled for 1min after heating and
sealing, it will shut down automatically.

2.3 Level selection and switching

Short press the power button for level switching
according to the following order:

①Low-power level

② Mid-power level

③High-power level

General sealing; Please select “② Mid-power”
(Recommended)

Please switch to “high-power level” to seal the
thick bags;

Please switch to “Low-power level” to seal the thin
bags such as freshness preservation bags and
garbage bags.

2.4 How to Seal Bags

Rotate the indicator counter clockwise to
align it with "+". (Sealing Mode)

Hold the knob and drag it evenly.

Drag it to the end and finish sealing
completely.

Slide to one side

2.5 How to Open Bags

Rotate the indicator clockwise to align it
with "-" (Cutting Mode)

Cutter

Press the cutter edge button for sliding.

Attention

1. Do not insert hard object or sharp object into
the heater of sealing chamber to avoid
damage of product.

2. Keep the Product clean and dr y to avoid a
fault; if it is affected with damp, wipe it with
cloth in time.

3. Keep the Product inaccessible to children.

4. Avoid direct sunlight and keep away from heat
source when storing and using the Product.

5. If the Product is long idled, charge it on a
trimonthly basis and store it in cool places.

4.Overheat protection

This is a small sealer. Make sure the “② Mid-power”
is not used continuously for over 1 min. If it is
running for about 1min, please stop it for 2min
before continued use!

Attention:

The protection program will be triggered if the
continuous running period exceeds the limit below:

①

②

Mid-

level

③

high-

power

level

Level

Continuous

Case 1

heating period

Accumulated
heating period

Case 2 90s

within 3min

Product status

Low-

power

power

level

50s 30s 30s

The protection program
will be triggered and r
unning for 2min to prevent
overheat and all indicators
are flickering at the same
time!

5.Introduction to
indicator status

Indicator Status

No. 1 indicator
flickers

No. 1+2+3 indicators
flicker
simultaneously

No. 1, 2 and 3
indicators flicker
alternatively

It is switched to
Level 3; Level 1 is
entered after restart

The small indicator
is not on by long
pressing power
button if it is idled
for long period.

In running state: Low battery;
in charging state: Charging prompt.

2min high-temperature protection.
Protection is provided even if it is
turned on/off in this period.

When press the large knob,
it prompts the status in heating
process.

Safety setting; avoid product
damage due to wrong use of Level 3.

Low battery protection, please charge.
The indicator will be on after
a certain period.

Meaning

6. Introduction to status
of high-power level

Heater Status

Turning red

Smoking

Meaning Attention and Warning

Normal; full-power
output is adopted for
reaching high
temperature instantly
and sealing the
thick bags.

Avoid long-term idling
for observation, out of
curiosity or on
purpose to avoid
permanent damages
of heating membrane.

Troubleshooting

7.

Fault

Indicator is off and
bag sealing fails
when press the
big knob

Startup failure; no
reaction when long
press the power
button, but the
indicator is on

Cause Troubleshooting

Not powered on

The knob points to

“-” bag opening end

Low battery
protection is
triggered

Please start
according to
instructions

Please point the
knob to “-” bag
sealing end

Fully charge it
before use!

8. Warranty

1. For any performance fault on the List of Product
Performance Faults within 30 days upon signed
receiving, you can contact our customer service for
free replacement or refund.

2. For any performance fault on the List of Product
Performance Faults within 30 days upon signed
receiving, you can contact our customer service for
free replacement.

Customer Service:
[e-mail]

List of Performance Faults

Name

USB
portable
sealer

Performance Faults

1. Shell crack due to structure or material
(except for the consumption of heating
membrane and heating piece).

2. Indicator error when it has sufficient power.

3. The heater has error when it has sufficient
power and normal running.

9.Expiration of Warranty

1. The Product is damaged due to unauthorized
maintenance, misuse, collision, negligence,
abuse, water penetration, accident, alternation
and use of nonconforming power supply.

2. Three-guarantee service expires.

3. Damages are caused by the Force Majeure.

4. The Product and its components have the
performance faults in the List of Product
Performance Faults due to misoperation.

Statement:
As the daily consumables which may be burnt
or thinned due to unskilled or long-term use,
the upper and lower heating membrane is
excluded from the warranty scope;
As the slow consumption parts, the heating
pieces are excluded from the warranty scope.

Specification version: V2.0-2021-01

Nagaros

Nagaros Portable Bag Sealer

(USB Rechargeable Version)

Product Specification

Please read the Specification carefully prior to use and

keep it properly.

Contact:
[e-mail]