Hyper Tough 20V Max 4.0Ah Battery Pack, HT21-401-003-11
Hyper Tough

Hyper Tough 20V Max 4.0Ah Battery Pack, HT21-401-003-11

4.3 stars out of 315 reviews
(4.3)|
315 ratings
Hyper Tough 20V Max 4.0Ah Battery Pack, HT21-401-003-11Hyper Tough 20V Max 4 0Ah Battery Pack HT21 401 003 112 pack Hyper Tough 20V Max 4 0Ah Battery Pack HT21 401 003 11

Key item features

  • High Compatibility: Compatible with all Hyper Tough 20V tools and chargers, ensuring seamless integration with your existing equipment.
  • Extended Run Time: The 4.0Ah capacity provides longer run time, allowing for extended use without frequent recharging.
  • Consistent Power: Lithium-Ion technology delivers consistent power throughout the charge cycle, maintaining full strength until energy is depleted.
  • Compact Design: Lightweight and compact with dimensions of 4.76 x 2.95 x 2.64 inches, making it easy to handle and store.
  • Durable Construction: Weighs only 1.55 lbs (0.70 kg), offering a robust yet manageable power source for various tasks.
  • Single Battery Pack: Includes one new 20V 4.0Ah battery, sold individually without a charger or tool.
  • Model Specific: Identified by model number HT21-401-003-11, ensuring you get the exact battery pack you need.
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Customer ratings & reviews

4.3 out of 5 stars
stars315 ratings144 reviews
How item rating is calculated
  1. 5 stars76% (238)
  2. 4 stars8% (24)
  3. 3 stars4% (12)
  4. 2 stars3% (9)
  5. 1 star10% (32)

Reviews summary

Pros
  • : Made with durable materials and precise engineering.
  • : Offers good value at this cost.
  • : Works with multiple lawn equipment and tools.
  • : Provides extended runtime for various tools and devices.
Neutral
  • : Can be rapid, but also slow and inconsistent.
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Showing 1-3 of 144 reviews

Jun 22, 2025
Deanna
Top Reviewer
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Great brand

They are expensive but they last longer than most other batteries. I'm a woman that loves tools and getting my hands dirty so I always look for things that are worthwhile. They charge pretty fast and hold the charge for a while. I have a very large backyard and 2 of these in my lawnmower get my entire yard done. I will be sticking with Dewalt and HyperTough products from now on.

Helpful?5EZUIWGBCR09727791969
Aug 13, 2025
Samdalf
Walmart Associate
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Right fit

Recently bought a lawnmower with the 6.0 Ah batteries. Wanted a back up set of batteries to be able to complete our yard. 6.0 AH don't seem to be available so went with these. Work fine and more importantly the chargers that I have from the lawnmower fit %26 work!! Was a little worried about that since a previous Snapper lawnmower had major issues with replacement batteries so Kudos to Hyper Tough to have replacements that actually do the job. I usually pair one 6.0 with a 4.0 and the mower works fine. Nice to have a fresh pair of batteries when I am halfway through the yard. Definitely recommend.

Helpful?5EZUIWGBCR09727791969
Aug 16, 2025
anonymous
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Great Battery

I purchased this battery as a backup. It has performed as expected. I use it for a Hyper Tough hand blower. Great product with long lasting batteries.

Helpful?5EZUIWGBCR09727791969