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Safely charge all types of lead-acid batteries from 20-120ah, gel, including wet, AGM, and deep-cycle batteries. One of the most advanced battery chargers in its class, ISO 8846, 33 CFR 183.

Safely charge all types of lead-acid batteries from 25-230Ah, gel, AGM, including wet, and deep-cycle batteries. Advanced safety protection featuring spark-proof technology, thermal, plus reverse polarity, ignition, and overcharge protection.

A fully-automatic, worry-free battery charger for year-round use. Restore your battery - automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life. Plus, combine with any of the GCP Series AC Port Plugs for remote charging access.
Compatible with all types of vehicles - add a permanent onboard battery charger to any vehicle to make battery maintenance simple and easy. Direct-mount - securely mounts nearby the battery with its rugged snap-fit mounting bracket and effortlessly installs into most materials with truss-head self-tapping screws. It monitors your battery 24/7, providing intuitive and safe maintenance charging with zero overcharge.

It's one of the best performing onboard marine battery chargers we have ever made. Redefined mounting - a simplified mounting system allows for quick and easy installations in any direction - even up-side-down - with an integrated anti-vibration backing to isolate shock, vibration, and noise.
Charging modes - independently charge and control each battery bank with selectable charging modes - including 12V, 12V AGM, 12V Lithium, and 12V Repair Mode - for all types of lead-acid and lithium-ion batteries. It's 27% smaller and delivers 33% more power. Multiple banks - a three-bank onboard battery charger rated a 30-amps - 10-amps per bank - for 12-volt batteries, starter, including marine, boat, and deep-cycle batteries. Designed for water - a fully-sealed and waterproof onboard battery charger with an ingress protection rating of IP68, but has survived brutal life cycle testing, including thousands of hours underwater.

Charge dead batteries - charges batteries as low as 1-volt. Designed for water - a fully-sealed and waterproof onboard battery charger with an ingress protection rating of IP68, but has survived brutal life cycle testing, including thousands of hours underwater.
Enjoy precision charging - an integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates. Multiple banks - a three-bank onboard battery charger rated a 15-amps - 5-amps per bank - for 12-volt batteries, including marine, starter, boat, and deep-cycle batteries. It's 37% smaller and delivers 43% more power. Meet the gen5x3 - similar to our genm3, only better. It's one of the best performing onboard marine battery chargers we have ever made.

Meet the gen5x1 - similar to our genm1, only better. Charge dead batteries - charges batteries as low as 1-volt. What's in the box - gen5x1 5-amp 1-bank waterproof onboard marine battery chargers 120-240VAC with a 72-Inch DC cables with 3/8-inch eyelets and a 72-inch Type-B AC cable, 2 self-tapping mounting screws, user guide, and 3-year warranty.
Or use the all-new force mode that allows you to take control and manually begin charging dead batteries down to zero volts. Multiple banks - a one-bank onboard battery charger rated a 5-amps - 5-amps per bank - for 12-volt batteries, starter, including marine, boat, and deep-cycle batteries. Redefined mounting - a simplified mounting system allows for quick and easy installations in any direction - even up-side-down - with an integrated anti-vibration backing to isolate shock, vibration, and noise.

What's in the box - genpro10x2 20-amp 2-bank waterproof onboard marine battery chargers 120-240VAC with a 72-Inch DC cables with 3/8-inch eyelets and a 72-inch Type-B AC cable, user guide, 2 self-tapping mounting screws, and 3-year warranty.
Meet the genpro10x2 - similar to our gen2, only better. Designed for water - a fully-sealed and waterproof onboard battery charger with an ingress protection rating of IP68, but has survived brutal life cycle testing, including thousands of hours underwater. It's one of the best performing onboard marine battery chargers we have ever made. Charge dead batteries - charges batteries as low as 1-volt.

Designed for water - a fully-sealed and waterproof onboard battery charger with an ingress protection rating of IP68, but has survived brutal life cycle testing, including thousands of hours underwater.
Multiple banks - a two-bank onboard battery charger rated a 10-amps - 5-amps per bank - for 12-volt batteries, including marine, boat, starter, and deep-cycle batteries. Meet the gen5x2 - similar to our genm2, only better. What's in the box - gen5x2 10-amp 2-bank waterproof onboard marine battery chargers 120-240VAC with a 72-Inch DC cables with 3/8-inch eyelets and a 72-inch Type-B AC cable, user guide, 2 self-tapping mounting screws, and 3-year warranty.

Plug-n-play - a simple flush mount flanged power inlet that's easy to install, requiring zero cable modification or hand wiring, and mounts into a 2-inch hole size.

A fully-automatic, worry-free battery charger for everyday use - 24/7 - with zero overcharge. Beyond maintenance - it's not just a trickle charger, it's an advanced battery maintainer. Do more with genius - designed for 6-volt and 12-volt lead-acid automotive, and deep-cycle batteries, and maintenance-free, including flooded, gel, AGM, marine, plus lithium-ion batteries.
Restore your battery - automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life. Enjoy precision charging - an integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates. Meet the genius1 - similar to our g750, trickle charger, just better. Charge dead batteries - charges batteries as low as 1-volt.
1. Noco Genius
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12-Amp 4-Amp Per Bank Fully-Automatic Smart Marine Charger, NOCO Genius GENM3, 12V Onboard Battery Charger And Battery Maintainer, 3-Bank
#adNoco Genius #ad - Rugged and waterproof construction capable of submersion down to 3-meters and rated ip68 and NEMA 6p. 410, which is certified to ul1236, plus backed by a 5-year.Safely charge all types of lead-acid batteries from 20-120ah, gel, including wet, AGM, and deep-cycle batteries. One of the most advanced battery chargers in its class, ISO 8846, 33 CFR 183.
More information #ad
A 12 amp 4 amp per bank on-board battery charger for charging and maintaining three 12-volt batteries independently. Advanced safety protection featuring spark-proof technology, ignition, thermal, plus reverse polarity, and overcharge protection.Brand | Noco Genius #ad |
Manufacturer | NOCO #ad |
Height | 6.38 Inches |
Length | 11.26 Inches |
Weight | 8.6 Pounds |
Width | 9.92 Inches |
Part Number | GENM3 |
Model | GENM3 |
Warranty | 3-Year Limited |
More information #ad
2. Noco Genius
#ad
NOCO GENIUS GEN2, 20-Amp 10-Amp Per Bank Fully-Automatic Smart Marine Charger, 12V Onboard Battery Charger and Battery Maintainer, 2-Bank
#adNoco Genius #ad - One of the most advanced battery chargers in its class, which is certified to UL1236, 33 CFR 183. 410, iso 8846, plus backed by a 5-year.Safely charge all types of lead-acid batteries from 25-230Ah, gel, AGM, including wet, and deep-cycle batteries. Advanced safety protection featuring spark-proof technology, thermal, plus reverse polarity, ignition, and overcharge protection.
More information #ad
A 20 amp 10 amp per bank on-board battery charger for charging and maintaining two 12-volt batteries independently. Rugged and waterproof construction capable of submersion down to 3-meters and rated IP68 and NEMA 6P.Brand | Noco Genius #ad |
Manufacturer | NOCO #ad |
Height | 6.3 Inches |
Length | 11.02 Inches |
Weight | 9.06 Pounds |
Width | 9.37 Inches |
Part Number | GEN2 |
Model | GEN2 |
Warranty | 3-Year Limited |
More information #ad
3. NOCO
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2-Amp Direct-Mount Onboard Charger, Trickle Charger, 12V Battery Charger, NOCO GENIUS2D, and Battery Desulfator with Temperature Compensation, Battery Maintainer
#adNOCO #ad - Beyond maintenance - it's not a trickle charger, it's an advanced battery maintainer. Enjoy precision charging - an integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates.A fully-automatic, worry-free battery charger for year-round use. Restore your battery - automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life. Plus, combine with any of the GCP Series AC Port Plugs for remote charging access.
More information #ad
Charge dead batteries - charge batteries as low as 1-volt, marine, and AGM, as well as automotive, including flooded, gel, and deep-cycle batteries. Meet the genius2d - the all-new direct-mount onboard battery charger for an under-the-hood battery charging system and year-round battery maintenance. Compatible with all types of vehicles - add a permanent onboard battery charger to any vehicle to make battery maintenance simple and easy. Direct-mount - securely mounts nearby the battery with its rugged snap-fit mounting bracket and effortlessly installs into most materials with truss-head self-tapping screws. It monitors your battery 24/7, providing intuitive and safe maintenance charging with zero overcharge.
Brand | NOCO #ad |
Manufacturer | NOCO #ad |
Height | 1.5 Inches |
Length | 5 Inches |
Weight | 0.73 Pounds |
Width | 2.3 Inches |
Part Number | GENIUS2D |
Model | GENIUS2D |
Warranty | 3-Year Limited Warranty |
More information #ad
4. NOCO
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NOCO Genius GENPRO10X3, 30-Amp 10-Amp Per Bank Fully-Automatic Smart Marine Charger, 3-Bank, 12V Onboard Battery Charger, Battery Maintainer and Battery Desulfator with Temperature Compensation
#adNOCO #ad - What's in the box - genpro10x3 30-amp 3-bank waterproof onboard marine battery chargers 120-240VAC with a 72-Inch DC cables with 3/8-inch eyelets and a 72-inch Type-B AC cable, 2 self-tapping mounting screws, user guide, and 3-year warranty. Charge dead batteries - charges batteries as low as 1-volt. Enjoy precision charging - an integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates.It's one of the best performing onboard marine battery chargers we have ever made. Redefined mounting - a simplified mounting system allows for quick and easy installations in any direction - even up-side-down - with an integrated anti-vibration backing to isolate shock, vibration, and noise.
More information #ad
Meet the genpro10x3 - similar to our gen3, only better. Or use the all-new force mode that allows you to take control and manually begin charging dead batteries down to zero volts. Charging modes - independently charge and control each battery bank with selectable charging modes - including 12V, 12V AGM, 12V Lithium, and 12V Repair Mode - for all types of lead-acid and lithium-ion batteries. It's 27% smaller and delivers 33% more power. Multiple banks - a three-bank onboard battery charger rated a 30-amps - 10-amps per bank - for 12-volt batteries, starter, including marine, boat, and deep-cycle batteries. Designed for water - a fully-sealed and waterproof onboard battery charger with an ingress protection rating of IP68, but has survived brutal life cycle testing, including thousands of hours underwater.
Brand | NOCO #ad |
Manufacturer | NOCO #ad |
Height | 6.06 Inches |
Length | 12.9 Inches |
Weight | 13.43 Pounds |
Width | 10.67 Inches |
Part Number | GENPRO10X3 |
Model | GENPRO10X3 |
Warranty | 3-Year Limited |
More information #ad
5. NOCO
#ad
NOCO Genius GEN5X3, Battery Maintainer and Battery Desulfator with Temperature Compensation, 3-Bank, 12V Onboard Battery Charger, 15-Amp 5-Amp Per Bank Fully-Automatic Smart Marine Charger
#adNOCO #ad - What's in the box - gen5x3 15-amp 3-bank waterproof onboard marine battery chargers 120-240VAC with a 72-Inch DC cables with 3/8-inch eyelets and a 72-inch Type-B AC cable, 2 self-tapping mounting screws, user guide, and 3-year warranty. Redefined mounting - a simplified mounting system allows for quick and easy installations in any direction - even up-side-down - with an integrated anti-vibration backing to isolate shock, vibration, and noise.Charge dead batteries - charges batteries as low as 1-volt. Designed for water - a fully-sealed and waterproof onboard battery charger with an ingress protection rating of IP68, but has survived brutal life cycle testing, including thousands of hours underwater.
More information #ad
Charging modes - independently charge and control each battery bank with selectable charging modes - including 12V, 12V AGM, 12V Lithium, and 12V Repair Mode - for all types of lead-acid and lithium-ion batteries. Enjoy precision charging - an integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates. Multiple banks - a three-bank onboard battery charger rated a 15-amps - 5-amps per bank - for 12-volt batteries, including marine, starter, boat, and deep-cycle batteries. It's 37% smaller and delivers 43% more power. Meet the gen5x3 - similar to our genm3, only better. It's one of the best performing onboard marine battery chargers we have ever made.
Brand | NOCO #ad |
Manufacturer | NOCO #ad |
Height | 2.2 inches |
Length | 7.1 inches |
Weight | 6.09 pounds |
Width | 5.7 inches |
Part Number | GEN5X3 |
Model | GEN5X3 |
Warranty | 3-Year Limited |
More information #ad
6. NOCO
#ad
5-Amp 5-Amp Per Bank Fully-Automatic Smart Marine Charger, 12V Onboard Battery Charger, 1-Bank, NOCO Genius GEN5X1, Battery Maintainer and Battery Desulfator with Temperature Compensation
#adNOCO #ad - It's 37% smaller and delivers 43% more power. Charging modes - independently charge and control each battery bank with selectable charging modes - including 12V, 12V AGM, 12V Lithium, and 12V Repair Mode - for all types of lead-acid and lithium-ion batteries. It's one of the best performing onboard marine battery chargers we have ever made.Meet the gen5x1 - similar to our genm1, only better. Charge dead batteries - charges batteries as low as 1-volt. What's in the box - gen5x1 5-amp 1-bank waterproof onboard marine battery chargers 120-240VAC with a 72-Inch DC cables with 3/8-inch eyelets and a 72-inch Type-B AC cable, 2 self-tapping mounting screws, user guide, and 3-year warranty.
More information #ad
Designed for water - a fully-sealed and waterproof onboard battery charger with an ingress protection rating of IP68, but has survived brutal life cycle testing, including thousands of hours underwater. Enjoy precision charging - an integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates. Or use the all-new force mode that allows you to take control and manually begin charging dead batteries down to zero volts. Multiple banks - a one-bank onboard battery charger rated a 5-amps - 5-amps per bank - for 12-volt batteries, starter, including marine, boat, and deep-cycle batteries. Redefined mounting - a simplified mounting system allows for quick and easy installations in any direction - even up-side-down - with an integrated anti-vibration backing to isolate shock, vibration, and noise.
Brand | NOCO #ad |
Manufacturer | NOCO #ad |
Height | 5.16 Inches |
Length | 7.22 Inches |
Width | 5.16 Inches |
Part Number | GEN5X1 |
Model | GEN5X1 |
Warranty | 3-Year Limited |
More information #ad
7. NOCO
#ad
Battery Maintainer and Battery Desulfator with Temperature Compensation, 2-Bank, NOCO Genius GENPRO10X2, 12V Onboard Battery Charger, 20-Amp 10-Amp Per Bank Fully-Automatic Smart Marine Charger
#adNOCO #ad - Charging modes - independently charge and control each battery bank with selectable charging modes - including 12V, 12V AGM, 12V Lithium, and 12V Repair Mode - for all types of lead-acid and lithium-ion batteries. Redefined mounting - a simplified mounting system allows for quick and easy installations in any direction - even up-side-down - with an integrated anti-vibration backing to isolate shock, vibration, and noise.What's in the box - genpro10x2 20-amp 2-bank waterproof onboard marine battery chargers 120-240VAC with a 72-Inch DC cables with 3/8-inch eyelets and a 72-inch Type-B AC cable, user guide, 2 self-tapping mounting screws, and 3-year warranty.
More information #ad
It's 19% smaller and delivers 33% more power. Or use the all-new force mode that allows you to take control and manually begin charging dead batteries down to zero volts. Multiple banks - a two-bank onboard battery charger rated a 20-amps - 10-amps per bank - for 12-volt batteries, boat, including marine, starter, and deep-cycle batteries. Meet the genpro10x2 - similar to our gen2, only better. Designed for water - a fully-sealed and waterproof onboard battery charger with an ingress protection rating of IP68, but has survived brutal life cycle testing, including thousands of hours underwater. It's one of the best performing onboard marine battery chargers we have ever made. Charge dead batteries - charges batteries as low as 1-volt.
Brand | NOCO #ad |
Manufacturer | NOCO #ad |
Height | 6.06 Inches |
Length | 10.28 Inches |
Width | 9.25 Inches |
Part Number | GENPRO10X2 |
Model | GENPRO10X2 |
Warranty | 3-Year Limited |
More information #ad
8. NOCO
#ad
Battery Maintainer and Battery Desulfator with Temperature Compensation, NOCO Genius GEN5X2, 12V Onboard Battery Charger, 2-Bank, 10-Amp 5-Amp Per Bank Fully-Automatic Smart Marine Charger
#adNOCO #ad - It's one of the best performing onboard marine battery chargers we have ever made. It's 37% smaller and delivers 43% more power. Or use the all-new force mode that allows you to take control and manually begin charging dead batteries down to zero volts. Charge dead batteries - charges batteries as low as 1-volt. Redefined mounting - a simplified mounting system allows for quick and easy installations in any direction - even up-side-down - with an integrated anti-vibration backing to isolate shock, vibration, and noise.Designed for water - a fully-sealed and waterproof onboard battery charger with an ingress protection rating of IP68, but has survived brutal life cycle testing, including thousands of hours underwater.
More information #ad
Charging modes - independently charge and control each battery bank with selectable charging modes - including 12V, 12V Lithium, 12V AGM, and 12V Repair Mode - for all types of lead-acid and lithium-ion batteries. Enjoy precision charging - an integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates. Multiple banks - a two-bank onboard battery charger rated a 10-amps - 5-amps per bank - for 12-volt batteries, including marine, boat, starter, and deep-cycle batteries. Meet the gen5x2 - similar to our genm2, only better. What's in the box - gen5x2 10-amp 2-bank waterproof onboard marine battery chargers 120-240VAC with a 72-Inch DC cables with 3/8-inch eyelets and a 72-inch Type-B AC cable, user guide, 2 self-tapping mounting screws, and 3-year warranty.
Brand | NOCO #ad |
Manufacturer | NOCO #ad |
Height | 5.39 Inches |
Length | 9.15 Inches |
Weight | 5.26 Pounds |
Width | 7.2 Inches |
Part Number | GEN5X2 |
Model | GEN5X2 |
Warranty | 3-Year Limited |
More information #ad
9. NOCO
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And Waterproof Electrical Outlet Receptacle Box with 16-Inch Integrated Outdoor Extension Cord, NOCO GCP1 15 Amp AC Port Plug, 125 Volt Power Inlet Socket
#adNOCO #ad - Peak performance - rated at 15-amps with heavy-duty 14 AWG copper wiring to maximum power flow and full-sized AC port prongs for maximum conductivity. Waterproof - a rugged, waterproof ac electrical power inlet receptacle featuring a pressure fit rubberized cover rated for outdoor use and protects against the elements.Plug-n-play - a simple flush mount flanged power inlet that's easy to install, requiring zero cable modification or hand wiring, and mounts into a 2-inch hole size.
More information #ad
Ac port plug - a 125-volt power inlet socket with an integrated 16-inch outdoor extension cord for a car, pickup, marine, boat, RV, trailer, truck, industrial and electrical applications. Multiple uses - an outdoor extension cord designed for various uses, outdoor electrical outlets, including onboard battery chargers, bumpers for engine block heaters, and more.Brand | NOCO #ad |
Manufacturer | NOCO #ad |
Height | 5.35 Inches |
Length | 2.6 Inches |
Weight | 0.4 Pounds |
Width | 5.2 Inches |
Part Number | GCP1 |
Model | GCP1 |
Warranty | 1-Year Limited |
More information #ad
10. NOCO
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1-Amp Fully-Automatic Smart Charger, and Battery Desulfator with Temperature Compensation, 6V and 12V Portable Battery Charger, Battery Maintainer, Trickle Charger, NOCO GENIUS1
#adNOCO #ad - Or use the all-new force mode that allows you to take control and manually begin charging dead batteries down to zero volts. It's the all-in-one solution - battery charger, battery maintainer, plus battery desulfator. It's 35% smaller and delivers 35% more power.A fully-automatic, worry-free battery charger for everyday use - 24/7 - with zero overcharge. Beyond maintenance - it's not just a trickle charger, it's an advanced battery maintainer. Do more with genius - designed for 6-volt and 12-volt lead-acid automotive, and deep-cycle batteries, and maintenance-free, including flooded, gel, AGM, marine, plus lithium-ion batteries.
More information #ad
Compatible with all types of vehicles - charge and maintain cars, boats, ATVs, lawn mowers, SUVs, trucks, lawn tractors, classic cars, PWCs, motorcycles, and more. Restore your battery - automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life. Enjoy precision charging - an integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates. Meet the genius1 - similar to our g750, trickle charger, just better. Charge dead batteries - charges batteries as low as 1-volt.
Brand | NOCO #ad |
Manufacturer | NOCO #ad |
Height | 1.3 Inches |
Length | 3.5 Inches |
Weight | 0.77 Pounds |
Width | 2.3 Inches |
Part Number | GENIUS1 |
Model | GENIUS1 |
Warranty | 3 year limited |
More information #ad