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 1083 reviews
(4.6)|
1,083 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
stars1,083 ratings739 reviews
How item rating is calculated
  1. 5 stars84% (910)
  2. 4 stars8% (86)
  3. 3 stars2% (21)
  4. 2 stars1% (12)
  5. 1 star5% (54)

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Showing 1-3 of 739 reviews

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.

Incentivized Review
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reply from HART Tools Team

Thank you for the feedback!

Apr 4, 2020
3sak73
5 out of 5 stars review

Powerful

The HART 20-Volt Lithium-Ion 4.0Ah Battery with On-Board Fuel Gauge is one of the most powerful rechargeable batteries on the market. The On-Board fuel gauge or battery meter lets you see exactly how much battery level is left before needing to recharge. The really good thing about this battery is that it is compatible with all Hart 20V Power Tools so you can interchange the battery between tools with just a snap.

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Apr 9, 2020
Roxana32
5 out of 5 stars review

Great!!

The HART 20V 4.0Ah Lithium-Ion battery is an incredible product! This battery works with all HART 20V power tools and provides a good addition to the tool collection in general. It includes Lithium-Ion technology, which helps give you long-lasting power. You can easily go through your projects while utilizing this battery and not having to worry about replacing it. The battery itself is very lightweight and also compact. You can move it around without getting tired fast. No matter what task or project you have to complete, this battery is very helpful and a useful buy. It has 4x the runtime compared to other batteries and is definitely good to have. I highly recommend it.

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