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Home / Lighting / Driving & light bars

NOCO GENIUS5  6V/12V 5-Amp Smart Battery Charger

Noco

NOCO GENIUS5 6V/12V 5-Amp Smart Battery Charger

GENIUS5AU

The NOCO GENIUS5 is a compact yet powerful 5-amp battery charger, maintainer, and desulfator for 6V and 12V lead-acid and lithium-ion batteries. It’s ideal for automotive, marine, deep-cycle, and maintenance-free batteries including flooded, gel, AGM, and more. With 65% more…

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Important note

Only use with 6V or 12V batteries. Keep ports closed to maintain IP65 rating.

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Compatible with cars, motorcycles, ATVs, lawnmowers, boats, tractors, and more. Charges all lead-acid and lithium-ion batteries up to 120Ah.

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The NOCO GENIUS5 is a compact yet powerful 5-amp battery charger, maintainer, and desulfator for 6V and 12V lead-acid and lithium-ion batteries. It’s ideal for automotive, marine, deep-cycle, and maintenance-free batteries including flooded, gel, AGM, and more.

With 65% more power and 34% smaller than its predecessor, it features a thermal sensor to prevent over/under-charging, restores battery performance, and charges batteries as low as 1V (or 0V with Force Mode). Suitable for year-round use across a wide range of vehicles.

  • 5 Amp charging current with advanced thermal regulation
  • Restores battery life and prevents sulfation
  • Charges down to 1V (0V with Force Mode)
  • Auto-detects battery condition for optimized charging
  • Compact IP65-rated housing for harsh environments
  • Supports both lead-acid and lithium chemistries

Cord ManagementDC Cable + Clamps: 195 cm (77 in), 16 AWG DC Fuse: 10A MINI Blade AC Cable: 182 cm (71.7 in), 18 AWG Cables resistant to oil, grease, UV, chemicals, and abrasio

Length: 117mm

Width: 74mm

Height: 49mm

Weight: 0.68kg

Source: manufacturer-verified

Everything this install needs

0 of 0 in the box

Plug-and-play with interchangeable connectors. Includes mounting bracket and hardware.

Compatible with cars, motorcycles, ATVs, lawnmowers, boats, tractors, and more. Charges all lead-acid and lithium-ion batteries up to 120Ah.

Q: Will this charge a dead battery?
A: Yes, down to 1V or 0V with Force Mode.

Q: Can it stay connected year-round?
A: Yes, it's fully automatic and safe for long-term maintenance.

Q: What types of batteries does it work with?
A: Flooded, gel, AGM, maintenance-free, calcium, and lithium-ion.

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