Key facts
- Manuals
- 12
- Models
- 1
- Languages
- EN
- Last added
- 2023-10-18
NOCO models by category
Featured NOCO manuals

NOCO Genius GX Series Smart Charger User Manual
This manual provides instructions for the NOCO Genius® GX Series Smart Charger, a device designed for charging 24V, 36V, and 48V lead-acid and lithium-ion battery systems. It includes safety warnings, information on what is included in the box, and details on the various charging modes available.
Covers: What's In The Box · Product Safety Information · Basic Charging Modes · Advanced Charging Modes · Mounting · DC Output Connection Port

NOCO Genius Boost GB40 Lithium Jump Starter User Guide
The NOCO Genius Boost GB40 is an ultra-compact, portable lithium-ion jump starter designed for 12-volt lead-acid batteries in cars, boats, motorcycles, and other vehicles. It features spark-proof technology and reverse polarity protection to ensure safe operation for users of all skill levels. The device includes a built-in USB battery pack and LED flashlight, serving as a versatile emergency tool.
Covers: Product Safety Information · Getting Started · Connecting to the Battery · Jump Starting · Low Voltage Batteries & Manual Override · Understanding Charge LEDs

NOCO Genius Boost GB40 User Manual
The NOCO Genius Boost GB40 is an ultra-compact and portable lithium-ion jump starter designed for 12-volt lead-acid batteries in cars, boats, motorcycles, ATVs, and more. It features spark-proof technology and reverse polarity protection to ensure safe operation for anyone. The device includes a built-in USB battery pack and an LED flashlight, making it a versatile emergency tool.
Covers: What's In The Box · Product Safety Information · Getting Started · Connecting to the Battery · Jump Starting · Low Voltage Batteries & Manual Override

NOCO Genius® GX Series Smart Charger User Manual
This manual provides safety warnings and step-by-step instructions for using the NOCO Genius® GX Series Smart Charger. It details seven charging modes including Standby, NORM, COLD/AGM, AGM+, LI-ION, REPAIR, and SUPPLY, each with specific voltage and current settings. The guide also explains how to connect the charger to a battery, including polarity and grounding requirements, and how to safely operate the device.
The manual emphasizes safety precautions, including verifying battery voltage and chemistry before charging, and warns against improper use that could cause electrical shock, explosion, or fire. It includes optional features like remote LEDs and inhibit ports, and instructions for DC output and AC input connections.
Covers: Safety Information · Charging Modes · Connecting to Battery · DC Output Connection · AC Input Connection · User Interface
Latest NOCO manuals
NOCO Genius GX Series Smart Charger User Manual
User Manual 9 pages · 149 KB · ENUser guide for the NOCO Genius GX Series Smart Charger, covering safety, charging modes, and connection instructions for lead-acid and lithium-ion batteries.
NOCO Genius Boost GB40 Lithium Jump Starter User Guide
User Manual 142 pages · 811 KB · ENUser guide for the NOCO Genius Boost GB40 portable lithium jump starter, covering safety, operation, charging, and specifications.
NOCO Genius Boost GB40 User Manual
User Manual 10 pages · 54 KB · ENUser manual for the NOCO Genius Boost GB40, a portable lithium-ion jump starter for cars, boats, and motorcycles.
NOCO Genius® GX Series Smart Charger User Manual
User Manual 9 pages · 149 KB · ENUser manual for NOCO Genius® GX Series smart charger, covering safety, charging modes, and battery connection instructions.
NOCO G750 Battery Charger Owner's Manual
User Manual 40 pages · 991 KB · ENThis manual provides safety precautions, operating instructions, and technical specifications for the NOCO Genius G750 750mA battery charger.
NOCO Genius10 Battery Charger User Guide & Warranty
User Manual 36 pages · 327 KB · ENThis manual covers safety warnings, charging modes, and specifications for the NOCO Genius10 battery charger compatible with 6V and 12V lead-acid batteries.
NOCO GEN Series On-Board Battery Charger User Guide
User Manual 36 pages · 414 KB · ENUser guide for the NOCO GEN Series on-board battery charger, covering safety, mounting, charging modes, and specifications for lead-acid and lithium batteries.
NOCO GEN Series On-Board Battery Charger User Manual
User Manual 13 pages · 253 KB · ENOwner's manual and user guide for the NOCO Genius GEN Series On-Board Battery Charger, covering safety, installation, charging procedures, and troubleshooting.
NOCO Genius G15000 Smart Charger User Guide
User Manual 50 pages · 277 KB · ENUser guide for the NOCO Genius G15000 smart charger, covering charging modes, safety precautions, and jumpstarting instructions for 12V and 24V batteries.
NOCO GENPRO Series On-Board Battery Charger User Guide
User Manual 36 pages · 487 KB · ENUser guide and warranty information for the NOCO GENPRO Series on-board battery charger, covering safety, operation, and specifications.
NOCO GENIUS1 Battery Charger User Guide
User Manual 32 pages · 266 KB · ENUser guide and warranty for the NOCO GENIUS1 battery charger, covering safety, operation modes, and compatibility with 6V and 12V batteries.
NOCO Genius G26000 Smart Charger User Guide
User Manual 51 pages · 307 KB · ENUser guide for the NOCO Genius G26000 smart charger, covering safety, setup, charging modes for 12V/16V lead-acid and lithium batteries, and JumpCharge…
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in NOCO manuals
What battery types can the NOCO Genius GX Series charge?
It charges Wet, Gel, Maintenance-Free, Calcium, EFB, AGM, and Lithium Ion batteries.
How do I enter an advanced charge mode?
Press and hold the mode button for three seconds to enter the mode.
What type of batteries is the GB40 suitable for?
The GB40 is for jump starting 12-volt lead-acid batteries only.
From: NOCO Genius Boost GB40 Lithium Jump Starter User Guide
What happens if the battery is below 2 volts?
If the battery is below 2 volts, the Boost LED will be 'Off', indicating the GB40 cannot detect the battery.
From: NOCO Genius Boost GB40 Lithium Jump Starter User Guide
What vehicles is the GB40 suitable for?
It is suitable for cars, boats, motorcycles, ATVs, lawn mowers, RVs, tractors, and trucks.
What happens if the battery is below 2 volts?
The Boost LED will be 'Off', indicating the unit cannot detect the battery, but a Manual Override feature can be used with extreme care.
