4 amp Battery Charger + Maintainer (B-stock)

71% Off, 100% Functional, Used But Good Condition, 30-Day Money-Back Guarantee
Rated 4.9 out of 5
Based on 9 reviews
Regular price $69.99 Sale price $19.99
/

  • Prolong your battery’s life and take depleted batteries from dead-to-start in just 2 hours.
  • Ensures an optimal charge on all types of 12V, 6V SLA/AGM and Lithium-Ion vehicle batteries.
  • Features a maintenance mode to keep stored batteries topped off between uses.
  • Includes alligator clamps for periodic charging, ring terminals for semi-permanent battery attachment, and switching between the two is safe and easy.
Free shipping over $50 Secure payments 30-Day Money‑Back Guarantee Support team

Battery Charger/Maintainer

Our B-stock products are 100% functional, used, in good condition, with superficial scratches, and delivered in brown box packaging.

Prolong your battery's life with proper charging and maintenance. The Duracell 4 Amp Charger/Maintainer can take depleted batteries from dead-to-start in just 2 hours. 

The Charger/Maintainer's multi-stage charging protocol ensures an optimal charge on all types of 12V and 6V SLA/AGM, and Lithium-Ion vehicle batteries, and features a maintenance mode that's ideal for keeping stored batteries topped off between uses. 

The 4 Amp charger/maintainer features a backlit LCD screen for best in class user experience, and is rated IP65 for weatherproof construction. 

The charger includes alligator clamps for periodic charging, as well as ring terminals for semi-permanent battery attachment (ideal for maintenance). Switching between clamps and rings is safe and simple thanks to the charger's quick-connect cable system.

Purchase replacement Ring Terminals 

Purchase replacement Cable Clamp

User Manuals

English | French | Spanish


prop 65 warning WARNING: 

This product can expose you to chemicals including Di(2-ethylhexyl) Phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm.  For more information go to www.P65Warnings.ca.gov.

 

average rating 4.9 out of 5
Based on 9 reviews
  • 5 Stars
    8 Reviews
  • 4 Stars
    1 Review
  • 3 Stars
    0 Reviews
  • 2 Stars
    0 Reviews
  • 1 Star
    0 Reviews
100% of reviewers would recommend this product to a friend
9 Reviews
Reviewed by Carlos R.
Verified Buyer
I recommend this product
Rated 5 out of 5
Review posted

Great price

An work perfect no complaints definitely recommended buy this products

Loading...
Was this helpful?
Reviewed by Chris
Verified Buyer
I recommend this product
Rated 4 out of 5
Review posted

Works properly

Keeps my battery charged

Loading...
Was this helpful?
Reviewed by Ken S.
Verified Buyer
I recommend this product
Rated 5 out of 5
Review posted

Simple to use!

W.ell made and easy to use for the non-gear-head

Loading...
Was this helpful?
Reviewed by J B.
Verified Buyer
I recommend this product
Rated 5 out of 5
Review posted

Great product at a nice price

I needed a new one after my battery Tender took a dump! I had purchased. Power station from Costco and registered it and was getting emails about Duracell products and decided to purchase a 4 amp battery trickle charger and a jumper box! I am extremely with all 3 of my Duracell products. Pretty impressive!

Loading...
Was this helpful?
Reviewed by John W.
Verified Buyer
I recommend this product
Rated 5 out of 5
Review posted

Must have

Like all the features while charging the battery. Good feedback

Loading...
Was this helpful?

General Questions

There is a protective sticker on the LCD screen; Please make sure it has been removed.

The charger reconditions the battery as it charges. It can take up to 24 hours to fully charge the battery. Once the battery is fully charged, the bar will no longer flash.

The bars on the LCD screen will be solid, instead of flashing.

Yes. Once the battery is charged, you can leave the maintainer connected to the battery to keep the battery in a charged state, so it will be ready when you are. You only need to unplug the unit from the wall before starting your vehicle.

You would need to connect the the ring terminal to the bolt that comes out of the connector on your battery, not the battery post itself.

The charger has safety features built in. If the charger can not detect that it is connected to a battery, then it will not send a charge through the cables. Your battery must have at least 3 volts in order to be able to be charged.

The charger has safety features built in. If the charger can not detect that it is connected to a battery, then it will not send a Voltage through the cables.

No, but the higher the Ah the battery is, the longer it will take to charge the battery.

Auto shops test your battery for current under load. It will only show if the car will start. Your battery may still need to be charged longer to fully charge the battery.

Yes, please use the SLA setting, NOT the Li-Ion setting.

When our 4 amp maintainer shows an error message immediately, it indicates a bad battery or the voltage of the battery is below 4 volts.

No. The charger maintainer will only work with 6V and 12V batteries.