4.0Ah Battery
Price not recorded
No longer sold new. HART 20V is a legacy line, so it is kept out of the cross-brand comparisons and listed under legacy & discontinued instead. Prices below are the last ones recorded.
Batteries 1
Nothing in this line matches those filters.
About HART 20V
HART 20V packs do not work in HART 40V products and vice versa (https://www.protoolreviews.com/what-batteries-are-compatible-with-hart-tools/). Read via web search 2026-10-08; re-read the page when the host is reachable. Store: HART is Walmart's tool line (Walmart 2019 launch release, https://corporate.walmart.com/news/2019/11/19/calling-all-diy-ers-walmart-has-hammered-out-a-new-tool-line-to-make-home-improvement-projects-easier-than-ever).
Batteries from other platforms
Only HART 20V batteries. We have no source saying another platform's pack runs HART 20V tools, or that HART 20V packs run anything else. Brands shape their battery rails so a competitor's pack won't fit.
Which batteries work with HART 20V · Every battery fit across platforms
HART 20V questions
What is in the HART 20V lineup?
PowerToolGrid lists 1 HART 20V product: 1 battery.
Do other batteries work with HART 20V tools?
Only HART 20V batteries. We have no source saying another platform's pack fits HART 20V tools, or that HART 20V packs fit anything else.
Where can I buy HART 20V?
HART 20V is sold only at Walmart.
Answered from the catalogue data, as of October 23, 2026. How we compare.