HART 20-Volt Lithium-Ion 4.0Ah Battery (Charger Not Included)
HART 20-Volt Lithium-Ion 4.0Ah Battery (Charger Not Included)
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HART 20-Volt Lithium-Ion 4.0Ah Battery (Charger Not Included)

4.6 stars out of 1078 reviews
(4.6)|
1,078 ratings

Key item features

  • Interchangeable Battery: The 20V one battery system allows you to interchange the battery on all 20V HART products, powering tools, outdoor, automotive, and lifestyle items.
  • Extended Runtime: Provides 4X longer runtime compared to a 1.5Ah HART Lithium-Ion Battery tested on a HART Hammer Drill.
  • On-Board Fuel Gauge: Features an on-board fuel gauge for easy monitoring of battery charge levels.
  • Compatibility: Works with all HART 20V tools, ensuring versatility and convenience for various projects.
  • Fade-Free Power: Equipped with fade-free Lithium-Ion technology for consistent and long-lasting power.
  • Compact and Lightweight: Designed to be compact and lightweight, reducing user fatigue and enhancing maneuverability.
  • Battery Specs: Includes a 4.0Ah 20V Lithium-Ion battery, sold without a charger or tool.
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4.6 out of 5 stars
stars1,078 ratings738 reviews
How item rating is calculated
  1. 5 stars84% (906)
  2. 4 stars8% (85)
  3. 3 stars2% (21)
  4. 2 stars1% (12)
  5. 1 star5% (54)

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Showing 1-3 of 738 reviews

Apr 16, 2020
Lucy
5 out of 5 stars review

Works with all HART 20-Volt Tools

The HART 20V 4.0Ah Lithium-ion Battery will work will all of the compatible 20 volt HART Tools. You will need to purchase the Charger and Tools separately. The battery weighs 22.25 ounces, which in my opinion is not heavy. It measures approximately 4” x 3” x 2.5”. It took a little over two hours to get a full charge after receiving it. There is a convenient on-board fuel gauge, press the button and the four available lights will illuminate blue. Full charge is 4 lights. The button is easy to get to weather it is installed on our tool or not. So far we used it on and off for a little over an hour and it has sat for a week in the garage and it still shows it has a full charge (4 blue lights).

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Dec 13, 2022
VBSGuru
5 out of 5 stars review

Good battery

I am a garage duffer and am not a professional of any kind. I enjoy little projects that are easy and fun. Honestly, if I get frustrated with a tool I will quit using it. I have not had that experience with this battery. I like how quickly this battery charges. I also like that it has a safety feature that prevents it from charging if it is too hot. This battery holds a charge for several months after it is charged. So when I need to do a project I don't have to remember charge my battery a few hours before I start. Then when I am done I can immediately put it on my charger without waiting for it to cool off (and probably forgetting to charge it at all) so that it is ready the next time I need it. It works with all Hart battery-powered tools, but I have only used it for their circular saw. It works well on that and does not add a lot of weight or bulkiness to the overall tool. I would recommend this battery to anyone buying a Hart battery-powered power tool. It is reliable and of good quality.

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reply from HART Tools Team

Thank you for the feedback!

Apr 14, 2020
cactusbob
5 out of 5 stars review

Small Powerful Battery

The Battery charges very fast. The button on the side will let you know how much charge is in the battery. Very useful to see if there is enough power before you start a job. The battery is also able to leave on the charger with the latest technology. Built solid and easy to use.

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