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HART 20V Lithium-Ion 4.0Ah Battery (Charger Not Included)
Key item features
- Interchangeable Battery: The 20V one battery system allows you to interchange the battery on all 20V HART products, including 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.
- Universal Compatibility: Works with all HART 20V tools, ensuring versatility and convenience.
- Fade-Free Power: Equipped with Lithium-Ion technology for long-lasting and fade-free power.
- Compact and Lightweight: Designed to be compact and lightweight, reducing user fatigue and enhancing maneuverability.
- Single Battery: Includes one 4.0Ah 20V Lithium-Ion battery; charger not included.
Generated by AI
Specs
- Battery capacity4 Ah
- Volts20 V
- Works withPower Tool
- Weight1.45 lbs
- Has written warrantyNo
- Height3.03"
Reviews summary
Pros
- : Provides sufficient power for tasks.
- : Made with long-lasting components.
- : Charges quickly and holds power well.
- : Offers similar value to other products in its class.
Generated by AI
Current price is USD$88.00
Price when purchased online
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Columbus, 43215
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This item is gift eligible
About this item
Product details
The HART 20V 4.0Ah Lithium-Ion battery is an excellent addition, or start to any DIYer’s HART tool collection. This battery is compatible with all HART 20V power tools. It features Lithium-Ion technology to give you long-lasting and fade-free power to get you through any project you decide to take on. This battery is designed to be compact and lightweight for more maneuverability and while reducing user fatigue. Whether you are maintaining your yard with HART outdoor tools, cleaning and maintaining your car with HART automotive tools or keeping cool and entertaining with HART lifestyle tools, the HART 20V 4.0 Ah battery is there to provide the power you need when you need it with 4x longer runtime than the HART 20V 1.5 Ah Lithium-Ion battery. This battery is sold as a single battery and does not include a charger or a tool.
- The 20V one battery system allows you to interchange the battery on all 20V HART products. It powers all HART 20V tools, outdoor, automotive and lifestyle items
- 4X Longer Runtime
- On-Board Fuel Gauge
- Battery chart that is on the back of the packaging
- Works with All HART 20V Tools
- Fade free Lithium-Ion power
- Includes: 4.0Ah 20V Lithium-Ion Battery
- Compared to a 1.5Ah HART Lithium-Ion Battery tested on a HART Hammer Drill
- Battery: 20V Lithium-Ion
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.
Warranty
Warranty information
Limited 3 Year Warranty
Warnings
Ingestion Hazard
This product contains a battery. Death or serious injury can occur if ingested. A swallowed battery can cause Internal Chemical Burn in as little as 2 hours. Keep new and used batteries OUT OF REACH OF CHILDREN. Seek Immediate medical attention if a battery is suspected to be swallowed or inserted inside any part of the body.
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Customer ratings & reviews
How item rating is calculated
Reviews summary
Pros
- : Provides sufficient power for tasks.
- : Made with long-lasting components.
- : Charges quickly and holds power well.
- : Offers similar value to other products in its class.
Generated by AI
Customer images






+28 images
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Showing 1-3 of 306 reviews
Feb 11, 2026
Matt
5 out of 5 stars review
Verified Purchase
Great Battery! need it for Saws and anything else!
Yea the 1.5 amp 20 volt batteries are only good for Drills and Multi cutter tool...anything bigger it just doesnt work! so buy this! plus mine came with a light shows how much battery is left!👍
Helpful?3Q95XSO8WUGJ424621031
Jun 27, 2025
WalmartCustomer
5 out of 5 stars review
Verified Purchase
The product works as advertise with my Hart string trimmer.
Incentivized Review
Helpful?3Q95XSO8WUGJ424621031
Mar 5, 2025
Pinky
5 out of 5 stars review
Great power long running time.
[This review was collected as part of a promotion.] I bought this a couple of weeks ago and it's a switch from the original batteries to the white lithium ones. There is a difference at night and day. This thing runs forever and it doesn't have any drop off until it needs to be charged. I love it.
Review from harttools.com
Helpful?3Q95XSO8WUGJ424621031
