NOCO GB20
NOCO Boost GB20 User Manual
Model: GB20 | Brand: NOCO
Entwodiksyon
The NOCO Boost GB20 is a compact, yet powerful 500-amp lithium jump starter designed to safely jump start a dead car battery in seconds. This portable car battery jump starter delivers up to 20 jump starts on a single charge and is rated for gasoline engines up to 4.0 liters. It is engineered with UltraSafe Technology, featuring spark-proof connections and reverse polarity protection, ensuring safe and mistake-proof operation for any 12-volt vehicle. The GB20 also functions as a portable USB-C power bank for charging smartphones, tablets, and other devices, and includes an integrated 100-lumen LED flashlight with seven light modes, including SOS and emergency strobe. Its rugged design, IP65-rated enclosure, and rubberized over-molded casing make it durable against water, dust, drops, and rough handling.

Image: The NOCO Boost GB20 unit with its red and black heavy-duty clamps.
Videyo: Yon finiview of the NOCO Boost product line, highlighting its features and applications. This video is provided by the Seller.
Enfòmasyon sou Sekirite
AVÈTISMAN:
- Toujou li epi konprann manyèl itilizatè a anvan ou itilize aparèy la.
- Pa plonje inite a nan dlo.
- Pa opere aparèy la si li domaje.
- Kenbe soti nan atenn timoun yo.
- Asire w ke sistèm nan byen vantile pandan w ap itilize l epi pandan w ap chaje l.
- Pa sote kòmanse yon batri nan frizè.
- Pa konekte pozitif ak negatif cl aamps ansanm.
- Use only the included accessories and cables.
The GB20 features UltraSafe Technology with spark-proof connections and reverse polarity protection to prevent errors during operation. However, always follow safety guidelines.

Image: Close-up of the spark-proof clamps, highlighting the UltraSafe technology.
Ki sa ki nan bwat la
- GB20 Portable Car Battery Jump Starter Pack
- Gwo-Devwa Clamps
- USB-C Chaje Kab
- Microfiber Storage Bag
- User Guide for Jump Starter
- 1-ane enfòmasyon limite garanti

Image: All items included in the NOCO Boost GB20 package: the jump starter, clamps, kab USB-C, ak sak depo.
Product Features and Overview
Familiarize yourself with the various components and indicators of your NOCO Boost GB20.

Image: Labeled diagram showing the Error LED, Power Button, Power LED, Charge LEDs, Boost LED, Manual Override Button, Light Mode Button, USB Out, and USB-C In ports.
Endikatè ki ap dirije:
- Pouvwa dirije: Illuminates white when the unit is ON.
- Erè ki ap dirije: Blinks "on" and "off" in various sequences (from 1 to 6 blinks) to convey error conditions.
- Charge LEDs: Endike nivo chaj batri entèn la.
- Boost LED: Illuminates white when Boost is active. The LED flashes white when the manual override feature is active.

Imaj: Detaye view of the GB20's LED indicators and their functions.
Enstalasyon
Inisyal chaje
Before first use, fully charge the GB20. Connect the included USB-C charging cable to the GB20's USB-C IN port and plug the other end into a USB wall adapter (not included) or a powered USB port. The Charge LEDs will illuminate to indicate charging status. All four Charge LEDs will be solid when fully charged.
The GB20 recharges in approximately 3 hours.

Image: The NOCO Boost GB20 connected via USB-C to charge a smartphone, demonstrating its power bank capability.
Konekte Clamps
Ensure the GB20 is turned OFF before connecting the clamps to the unit. The heavy-duty clamps connect to the 12V OUT port on the GB20. Ensure a secure connection.
Enstriksyon Operasyon
Ale kòmanse yon machin
- Tache Clamps: Konekte wouj (pozitif) clamp nan tèminal pozitif (+) batri a ak cl nwa a (negatif)amp to the negative (-) battery terminal or a chassis ground point.
- Pouvwa sou: Press the Power Button on the GB20. The Power LED will illuminate white.
- Kòmanse Veyikil la: Attempt to start your vehicle. If the vehicle does not start, wait 30 seconds and try again.
- Pouvwa Off: Once the vehicle starts, disconnect the clamps from the battery, then turn off the GB20.
If the battery is completely dead and the GB20 does not detect it, you may need to use the Manyèl Override feature. Press and hold the Manual Override Button for three seconds until the Boost LED flashes white. This mode bypasses safety checks and provides maximum power. Use with extreme caution.

Image: Visual steps for attaching clamps, powering on, starting the vehicle, and detaching the unit.
Sèvi ak kòm yon bank pouvwa pòtab
The GB20 features a USB-A OUT port (2.1A) for charging smartphones, tablets, and other USB-powered devices. Simply connect your device's USB charging cable to the GB20's USB-A OUT port.
Sèvi ak flach la ki ap dirije
The integrated 100-lumen LED flashlight has seven light modes:
- 100% Klate
- 50% Klate
- 10% Klate
- SOS
- Klike
- Strobe
- Off
Press the Light Mode Button to cycle through the different modes. This feature is ideal for night use, roadside visibility, or emergencies.

Image: The GB20's integrated LED flashlight in operation, highlighting its tactical grade and various light modes.
Antretyen
Chaje
For optimal performance and longevity, keep the GB20 charged. It is recommended to recharge the unit after each use and at least every 3-6 months, even if not used, to maintain battery health.
Depo
Store the GB20 in its microfiber storage bag in a cool, dry place. Avoid extreme temperatures and direct sunlight. Ensure the unit is fully charged before long-term storage.
Netwayaj
Netwaye inite a ak yon mou, damp cloth. Do not use harsh chemicals or abrasive materials. Keep the ports free from dust and debris.
Depanaj
| Pwoblèm | Kòz posib | Solisyon |
|---|---|---|
| Inite pa limen. | Batri a dechaje nèt. | Chaje aparèy la nèt. |
| Machin nan pa demarre. | Battery is too dead to be detected; clampyo pa byen konekte. | Asire clamps are securely connected. Use Manual Override if necessary. |
| Error LED is blinking. | Reverse polarity, short circuit, or other error condition. | Refer to the Error LED sequence in the full user guide for specific error codes. Disconnect and reconnect clamps kòrèkteman. |
| Flashlight turns on accidentally. | Light Mode Button pressed during storage. | Store the unit in its microfiber bag to prevent accidental button presses. |
Espesifikasyon
| Spesifikasyon | Valè |
|---|---|
| Mak | NOCO |
| Modèl | GB20 |
| Kouran pwodiksyon pik | 500 Amps |
| Dimansyon pwodwi | 4.61"D x 8.19"W x 4.21"H |
| Pwa atik | 1 liv |
| Engine Rating (Gas) | Jiska 4.0L |
| Kalite batri | Lityòm metal |
| Sòti flach | 100 Lumens ki ap dirije |
| USB-A Sòti | 2.1A |
| Antre USB-C | 10W |
| Rezistans dlo | IP65-rated enclosure |
Garanti ak sipò
The NOCO Boost GB20 comes with a 1-ane garanti limite from the date of purchase. This warranty covers defects in material and workmanship under normal use. For warranty claims or technical support, please visit the official NOCO websit oswa kontakte sèvis kliyan yo.
Pou plis enfòmasyon ak sipò, vizite: www.no.co
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