Skip to content
TOUGH JOBS DONE RIGHT: Serious Tools Up to 50% Off. Shop the Deals >
Northern Tool Equipment Logo TextNorthern Tool Equipment Logo text link to Home.

Free Gift Card on All Orders Over $100 See Details

Free Gift Card Details

$100 Order
$10
gift card
$250 Order
$25
gift card
$500 Order
$50
gift card
$1000 Order
$100
gift card
  • The promotion will be automatically applied on the Shopping Cart page.
  • To qualify for this offer, your order subtotal must equal $100 or more. Excludes gift cards, free item offers, warranties, Advantage memberships, tax and shipping.
  • Free gift cards will be issued in the form of e-gift cards only, not physical gift cards.
  • E-gift cards will be sent to the email address used in your billing address when your order ships or is picked up.
  • Free e-gift cards expire 10/01/26.
  • Promo code not valid on prior purchases or on Honda and STIHL products and cannot be combined with other promotional offers.
  • Valid online and in participating retail stores.
  • Limited-time offer. Subject to change without notice.
Print

NOCO Genius5 Portable Automatic Battery Charger/Maintainer, 5 Amp, 6/12 Volt, Model# GENIUS5

Item# 100871
"NOCO Genius5 Portable Automatic Battery Charger/Maintainer, 5 Amp, 6/12 Volt, Model# GENIUS5"
NOCO Genius5 Portable Automatic Battery Charger/Maintainer, 5 Amp, 6/12 Volt, Model# GENIUS5

This is a carousel with one large zoomable image and a track of thumbnails on the left. Select any of the thumbnail buttons to change the zoomable image on the right. If a thumbnail is a video or 360 degree image thumbnail, or the last thumbnail in the list, the button will open the product media modal.

NOCO Genius5 Portable Automatic Battery Charger/Maintainer, 5 Amp, 6/12 Volt, Model# GENIUS5

Click or Tap image to Zoom

$69.95

  • Shipping: 

    Available now

  • Store Pickup: 

    Out of stock at Fredericksburg VA

  • Charges lead-acid and lithium-ion batteries up to 120 Amp-hours
  • Improved start-voltage sensor detects dead batteries as low as 1 Volt
  • Force mode allows manual charging for extremely dead batteries -- all the way down to zero volts
  • Built-in battery desulfator recovers worn-out batteries
  • Smart indicators quickly detect reverse polarity connections, connection to an incompatible battery, or failing batteries

See full description

  • Description

  • Key Specs

  • Reviews

  • Q & A

  • Warranty

  • Compare

Product Summary

The NOCO® Genius5 Portable 5 Amp Automatic Battery Charger/Maintainer can be used for both 6V and 12V lead-acid, and 12V lithium-ion batteries. This unit is designed for charging a car, motorcycle, ATV, snowmobile, personal watercraft, lawn mower and much more. It also can be used as a battery maintainer to keep a car, boat, RV, and deep-cycle batteries fully charged. The system monitors battery activity for safe and efficient charging without any overcharge and comes complete with a built-in battery desulfator to rejuvenate underperforming batteries. Includes interchangeable connector clamps with integrated eyelets.

What's Included

    (1) Genius 5 automatic battery charger/maintainer with interchangeable connector clamps with integrated eyelets (1) Mounting bracket with strap (2) Self-tapping screws

Downloads

Product Manual
Play Item Video

Features + Benefits

  • Charges lead-acid and lithium-ion batteries up to 120 Amp-hours
  • Improved start-voltage sensor detects dead batteries as low as 1 Volt
  • Force mode allows manual charging for extremely dead batteries -- all the way down to zero volts
  • Built-in battery desulfator recovers worn-out batteries
  • Smart indicators quickly detect reverse polarity connections, connection to an incompatible battery, or failing batteries
  • Monitors battery activity during charging for safe and efficient charging without any overcharge

Key Specs

AttributeSpecification

item#

100871

Brand

NOCO Genius

Manufacturer's Warranty

3 year limited warranty

Ship Weight

1.97 LB

Volts

12
AttributeSpecification

Charger Type

Automatic

Wheeled

No

Overcharge Protection

Yes

Polarity Reversal Protection

Yes

Product Weight

1.75 lb

Reviews

Questions & Answers

13 Reviews This action will navigate to reviews.

Questions

1–5 of 5 Questions  
Sort by:

  1. what do you to start the GENIUS5?

    1 answer

    1. To use the NOCO GENIUS5, connect the red clip to the positive (+) terminal and the black clip to the negative (–) terminal. Plug the charger into a wall outlet, then press the Mode button to select the correct battery type (12V, AGM, or Lithium). Charging begins when the LEDs illuminate.

      Helpful?

  2. Can you jump start with this

    1 answer

    1. The Genius5 is an automatic 5A charger and maintainer designed for 6V and 12V lead-acid or lithium-ion batteries. It provides a controlled charging current, rather than the high cold-cranking amps required to start an engine.

      Helpful?

  3. Will this start/stop the charge/maintenance cycle without pushing the mode select button, if it is only plugged and unplugged?

    1 answer

    1. The charger has built in auto-memory and will return to the last charge mode when connected. To change modes after the first use, press the mode button. Additional instructions are provided in the manual that is included with the item.

      Helpful?

  4. Is this waterproof and engine bay permanent mounatable?

    1 answer

    1. This charger should not be submerged in or exposed to water directly. This can be mounted permanently in the engine bay. Position the AC and DC cords to reduce the risk of damage by the hood, door, or moving engine parts. Also stay clear of fan blades, belts, pulleys, and other parts that can cause injury to persons.

      Helpful?

  5. where is this product made?

    1 answer

    1. This battery charger/maintainer is manufactured in China.

      Helpful?

Warranty

Manufacturer's Warranty

3 year limited warranty

Extend Your Warranty Coverage with a Northern Protection Plan (NPP)

Replacement Plan — 1 Year

A Northern Protection Plan is available after adding the product to your shopping cart.

Recently Viewed Items

This is a carousel with auto-rotating slides. Activate any of the buttons to disable rotation. Use Next and Previous buttons to navigate, or jump to a slide with the slide dots.

NOCO Genius5 Portable Automatic Battery Charger/Maintainer, 5 Amp, 6/12 Volt, Model# GENIUS5
4.9 out of 5 stars. 13 reviews

NOCO Genius5 Portable Automatic Battery Charger/Maintainer, 5 Amp, 6/12 Volt, Model# GENIUS5

Item # 100871

$69.95