Nomad Power 300 - Rechargeable Battery GYS - Free user manual and instructions

Product type	Rechargeable jump starter (booster) with power supply functions and lamp
Brand	GYS
Model	Nomad Power 300
Internal battery capacity	37 Wh (Lithium-ion)
Nominal start voltage	12 V
Output ports	1x USB 5V/9V/12V 2A, 1x USB 5V 2A
Input port (charge)	USB-C (5V 2A) for USB charger or cigarette lighter adapter
Main functions	Emergency 12V start (gasoline/diesel), charging phones/tablets, LED lamp (3 modes: constant, strobe, SOS)
Built-in protections	Against overcharge, overheating, overcurrent, deep discharge, short circuit, and polarity reversal
Included accessories	Jump start cables with clamps, USB cable, cigarette lighter adapter + charging cable
Charging power supply	Via USB charger (5V 2A, not included) or vehicle's 12V cigarette lighter
Charge level required for start	Minimum 80%
Maximum number of consecutive starts	3 (with 30-second interval)
Operating temperature	Do not expose to temperatures > 50°C
Maintenance	Clean with a dry cloth; do not use solvents
Safety	Do not charge frozen/damaged battery; use only the provided charger; keep away from flames; wear protective gear
Warranty	1 year (parts and labor)
Standards	CE, EAC, UKCA, Morocco (CMIM)
Electrical class	III

Frequently Asked Questions - Nomad Power 300 GYS

How to recharge the Nomad Power 300 battery?

Use the supplied USB cable with a USB mains charger (5V 2A, not included) or plug the included cigarette lighter adapter into the vehicle's 12V socket. Connect the plug to the input port (4) of the Nomad Power. Charging is automatic.

How to start a vehicle with the Nomad Power 300?

Ensure the booster is charged to at least 80%. Connect the red clamp to the positive (+) terminal of the vehicle battery, and the black clamp to a metal ground away from fuel. If the Start and Error indicators flash alternately, the device is ready. Perform the start within 30 seconds. Then disconnect the clamps in reverse order.

What to do if the Error light stays on continuously on the cable?

A steady Error light indicates an internal voltage below 11V. Fully recharge the Nomad Power before reuse.

How long does it take to fully charge the Nomad Power?

Charging time depends on the charger used. With a 5V 2A USB charger, expect about 2 to 3 hours for a full charge.

Can I charge my phone while the booster is recharging?

Yes, the USB ports operate independently of charging. You can plug a phone into the USB port while the booster is recharging via the input.

What types of vehicles can I start with the Nomad Power 300?

It is designed for gasoline or diesel vehicles with a 12V battery (6 cells), such as go-karts, motorcycles, cars, etc. Not suitable for 24V vehicles.

What to do in case of polarity reversal (Error light flashes + continuous beep)?

Immediately disconnect the clamps and check connections: red clamp on positive, black clamp on ground. Reconnect correctly. The device is protected against reversal.

How to use the flashlight function?

Press and hold the ON/OFF button for 3 seconds to turn on the LEDs. Press briefly to change mode: constant, strobe, SOS.

Can the Nomad Power 300 power a 12V device?

No, the 12V 5A output is reserved for the Nomad Power 400 model. The 300 model has only USB ports and the start function.

How to maintain the Nomad Power?

Clean surfaces with a dry cloth. Do not use solvents or aggressive products. Recharge it after each use and before first use. Do not expose to temperatures above 50°C.

USER MANUAL Nomad Power 300 GYS

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FR 2 / 3-7 / 38-40

EN 2 / 8-12 / 38-40

DE 2 / 13-17 / 38-40

ES 2 / 18-22 / 38-40

RU 2 / 23-27 / 38-40

NL 2 / 28-32 / 38-40

IT 2 / 33-37 / 38-40

NOMAD POWER300 400

INTERFACE PRODUIT / PRODUCT INTERFACE / BEDIENFELD / INTERFAZ DEL PRODUCTO / ИНТЕРФЕЙС АППАРАТА / BEDIENING VAN HET APPARAAT / INTERFACCIA PRODOTTO

Diagram showing three safety symbols: battery, safety goggles, and test tube with warning signs

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Technical line drawing of a rectangular electronic device casing with mounting holes and a circular button (no text or symbols)

ANOMALIES, CAUSES, REMÈDES

CONDITIONS DE GARANTIE

This manual includes guidelines on the operation of your device and the precautions to follow for your own safety. Ensure it is read carefully before first use and keep it handy for future reference. This device should only be used for start-up and / or power supply within the limits indicated on the device and in the manual. The safety instructions must be followed. In case of improper or unsafe use, the manufacturer cannot be held responsible

This device may be used by children from age 8 and by persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge, provided that they are under supervision or have been told how to use the device safely and are aware of the potential risks. Children must not use the device as a plaything. Cleaning and servicing tasks may not be carried out by children unless they are supervised.

Do not use for charging non-rechargeable batteries

Do not operate the device with a damaged power supply cord or a damaged mains plug.

Do not use any charger other than the one supplied with the machine to charge the batteries.

Do not use the device if the charging cable appears to be damaged or assembled incorrectly in order to avoid any risk of short circuiting the battery (NOMAD POWER charger).

Never charge a frozen or damaged battery.

Do not cover the device

Do not place the device near a fire or subject it to heat or to longterm temperatures exceeding 50^ C

Risk of explosion or acid projection if the clamps are short-circuited or if the 12V booster is connected to a 24V vehicle or vice versa.

The automatic mode of operation and usage restrictions are explained below in these operating instructions.

Risk of explosion and fire!

A battery being charged can emit explosive gas.

- Avoid flames and sparks. Do not smoke.

- Protect the electrical contacts of the battery against short-circuiting.

Acid projection hazard!

- Wear safety goggles and protective gloves

- If your eyes or skin come into contact with battery acid, rinse the affected part of the body with plenty of water and seek immediate medical assistance.

Connection / disconnection:

• Disconnect the power supply before connecting/disconnecting the device to/from the battery.
• The terminal of the battery that is not connected to the car frame must be connected first. The other connection must be made on the car frame, far from the battery and the fuel line.
• After the start-up operation, disconnect the booster. First remove the chassis connection and then the battery connection, in the order shown.

Class III device (NOMAD POWER).

Entretien :

• The power supply cable cannot be replaced. If the cable is damaged, the device should not be used (NOMAD POWER charger).
  • Service should be performed by a qualified person
• Warning! Always remove the power plug from the wall socket before carrying out any work on the device.
• Under no circumstances should solvents or other aggressive cleaning agents be used.
• Clean the device's surfaces with a soft, dry cloth.

Regulations

• The device complies with European Directive.
• The certificate of compliance is available on our website.
  • EAC conformity mark (Eurasian Economic Commission)
• Equipment in compliance with British requirements. The British Declaration of Conformity is available on our website (see home page).
  • Equipment in conformity with Moroccan standards.
• The declaration C_ (CMIM) of conformity is available on our website (see cover page).

Disposal:

• This product should be disposed of at an appropriate recycling facility. Do not dispose of in domestic waste.
• The battery must be removed from the device before the latter is discarded.
• The battery must be dropped off at a suitable recycling facility.
• The device must absolutely be disconnected from the power supply network before removing the battery.

PRODUCT DESCRIPTION

Thanks to its high-performance lithium-ion battery (300: 37 Wh, 400:45 Wh), the NOMAD POWER 300/400 performs 3 functions:

• Instant start of vehicles equipped with a 12V battery (6 cells of 2V), such as karts, motorcycles, cars, etc.
• 12 V power supply for small electronic devices via their USB ports. Most of mobile phones, smartphones, portable gaming devices, MP3/MP4 players can be charged with the included accessories.

- Service lighting

	Start function
NOMAD POWER 300
NOMAD POWER 400

Extreme outside temperatures or mechanical problems on the vehicle (poor starter, no fuel or engine problems) can limit the booster's capacity.

OPERATION

1. Press the ON / OFF button (6). The display shows the remaining power and the activated output ports.
2. The display shows a percentage charge from 0% to 100% when the NOMAD POWER is fully charged.

RECHARGE THE NOMAD POWER before first use and after each use.

INTERNAL BATTERY CHARGING

non foami

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1 - Plug the USB cable to a charger with a USB output (not supplied)
2 - Plug the USB-C ● End of the cable to the input port (4) of the NOMAD POWER start the charge.

1 - Plug car adaptor to the car cigarette lighter socket.

2 - Plug the other end of the adapter to the input port (4) of the NOMAD POWER to start the charge.

STARTING THE VEHICLE

Emergency start function for petrol or diesel vehicles equipped with a 12V battery.

To start a vehicle, please process as follows:

The NOMAD POWER must be at least 80% charged to make a start. A full charge of the booster is recommended.

1 Connect the jumper cable to the NOMAD POWER connector (1).

2

1- Connect the red clamp to the (+) of the battery.
2- Connect the black clamp to the (-) of the battery.

3		If the lights «Start» and «Error» flash alternately in green and red, the product is ready.
		If only the «Error» light is on, the internal battery of the NOMAD POWER is too low. Charge the product.
4		If the «Start» light becomes green and the «Error» light turns off, everything is ok.Make a start within 30 seconds.⚠️ Do not exceed 3 starts with a time interval of 30s between each.
5		After starting, disconnect the smart start cable from its connector and remove the 2 clamps from the vehicle’s battery terminals within 30 seconds.⚠️ Leave the vehicle running.
6		If all 3 starts fail, check the «Error» light.A red «Error» light on is synonymous with an engine or connection problem.
7		After the start-up, if the internal battery is less than 80%, recharge the NOMAD POWER.⚠️ Wait at least 30 minutes after starting the vehicle to charge the NOMAD POWER.

CHARGING MOBILE PHONES

1 - Plug your cable to the NOMAD POWER USB port 1 (2) or USB port 2 (3).

2 - Select the appropriate adaptor for your mobile phone or table and plug it in. The NOMAD POWER launches the charge automatically.

POWER SUPPLY (NOMAD POWER 400)

For electronic products 12 V

1 - Connect a 12 V power supply cable (not supplied) to the 12V 5 A output port (5).
2 - Link the power supply cable to the power socket of your 12 V electrical device.

FLASHLIGHT FUNCTION

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Press the ON/OFF button (6) for 3 seconds to turn on the LEDs. Briefly press the button (6) to switch lighting modes (3 available modes: normal, stroboscope and SOS).

PROTECTIONS

This device is protected against overload, overheating, overintensity, deep discharge, short circuit and polarity reversal.

TROUBLESHOOTING, CAUSES, SOLUTIONS

	TROUBLESHOOTING CAUSES SOLUTIONS
1	No answer while pressing the ON/OFF button	The NOMAD POWER is discharged.	Charge the product.
2	Error> light fixed on the smart start cable.	Internal battery voltage < 11.0V.	Charge the product.
3	Error> indicator flashes + discontinuous beeper.	Short circuit.	Check that the clamps are properly connected and disconnect/reconnect the smart start cable.
	Error> indicator flashes + continuous sound signal	Reverse polarity.	Check that the clamps are properly connected and disconnect/reconnect the smart start cable.
	Error> indicator flashes + quick beep.	Overheating.	Disconnect the clamps from the battery and the NOMAD POWER and wait 5 minutes then reconnect.
	Fixed «Start» light + «Error» light fixed.	The clamps have been connected to the battery for more than 30 seconds.	Remove the 2 clamps from the vehicle battery terminals to protect the unit.

WARRANTY

The warranty covers faulty workmanship for 1 year from the date of purchase (parts and labour).

The warranty does not cover:

• Transit damage.
• Normal wear of parts (eg. : cables, clamps, etc..).
• Damages due to misuse (power supply error, dropping of equipment, disassembling).
• Environment related failures (pollution, rust, dust).

In case of failure, return the unit to your distributor together with:

- The proof of purchase (receipt etc ...)

- A description of the fault reported

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Illustration of a vehicle with a battery, cable, and plug (no text or symbols)

Line drawing of a rectangular electronic device casing with internal components and mounting holes (no text or symbols)

Line drawing of a rectangular electronic device casing with internal components and mounting holes (no text or symbols)

OMSCHRIJVING VAN HET APPARAAT

Dankzij de high performance lithium-ion accu (300 : 37 Wh, 400 : 45 Wh) beschikt de NOMAD POWER 300/400 over 3 functies :

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Illustration of a vehicle with a battery, cable, and plug (no text or symbols)

Line drawing of a rectangular electronic device casing with internal components and mounting holes (no text or symbols)