DeWalt 20V MAX XR 4.0Ah Battery
DeWalt 20V MAX · Batteries
$169.00 at Ohio Power Tool · checked Oct 29, 2026
DeWalt 20V MAX XR 4.0Ah Battery (DCB2104) is a battery from DeWalt 20V MAX. It is labelled 20 V, holds 4 Ah, and weighs 1.4 lb. Lowest in-stock price on file: $169.00 at Ohio Power Tool (checked Oct 29, 2026).
| Category | Batteries |
|---|---|
| Model number | DCB2104dewalt.com |
| Voltage on the label ? | 20 Vdewalt.com |
| Capacity | 4 Ahdewalt.com |
| Energy ? | — |
| Weight ? | 1.4 lbdewalt.com |
| Warranty | — |
| Sold as | Single product |
| Availability | Sold by several retailers |
Where to buy
Each price shows the date it was seen. A date more than a month old means the store could not be re-read, so the price may have moved.
Price history
- Ohio Power Tool
- Tool Nut
Every recorded price change (2)
A row is recorded only when a store's price or stock changes; each line then runs to the date the store was last checked. Amazon prices aren't shown (store policy).
Batteries from other platforms
-
DeWalt 60V MAX FLEXVOLT packs fit directly, one way (see note) reported
“these cordless outdoor products are compatible with both 20V MAX and FLEXVOLT batteries” — homedepot.com ↗, checked Oct 8, 2026. One way only: FLEXVOLT packs run 20V MAX tools; 20V MAX packs do not fit 60V MAX tools (Acme Tools: 20V batteries physically won't fit 60V and 120V tools, https://www.acmetools.com/tool-crib/ac605938/dewalt-battery-compatability/). DeWalt's own FLEXVOLT page describes a runtime boost for 20V MAX tools. Read via search; re-read pages directly.
Which batteries work with DeWalt 20V MAX · Every battery fit across platforms
Where this came from
confirmed The part number and every spec shown were read from the brand's or a store's own material: a product page, a spec sheet or a product feed, or an archived copy of one. Last verified 2026-10-29. What the labels mean.
The same tool on other platforms
Same category, different brand. Open any of them side by side with this battery, or tick several to compare up to four.
| Logo | Brand | Product | Category | Photo | Price |
|---|---|---|---|---|---|
| BLACK+DECKER | 2.0Ah Battery BLACK+DECKER 40V MAX Side by side → | Batteries | $89.00 | ||
| BLACK+DECKER | 2.5Ah Battery BLACK+DECKER 40V MAX Side by side → | Batteries | $99.00 | ||
| BLACK+DECKER | 1.5Ah Battery BLACK+DECKER 40V MAX Side by side → | Batteries | $79.00 | ||
| Craftsman | 2.5Ah Battery Craftsman V60 Side by side → | Batteries | — | ||
| Craftsman | 5.0Ah Battery Craftsman V60 Side by side → | Batteries | — | ||
| Craftsman | 7.5Ah Battery Craftsman V60 Side by side → | Batteries | — | ||
| Craftsman | 4.0Ah Battery Craftsman V20 Side by side → | Batteries | — | ||
| Craftsman | 2.0Ah Battery Craftsman V20 Side by side → | Batteries | — |
