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UADCA LBXR20 20V 4.0Ah Lithium-Ion Battery 2-Pack1 / 7
Product guide

UADCA LBXR20 20V 4.0Ah Lithium-Ion Battery 2-Pack

UADCA LBXR20 is a two-battery replacement pack listed for compatible Black and Decker 20V tools and chargers. Each battery is specified at 4.0Ah, and the listing describes the cells as lithium-ion. This is a compatible replacement, not an original OEM product.

At a glance

  • Two 4.0Ah replacement batteries are specified for compatible 20V tools and chargers.
  • The listing names LBXR20 and several other battery model codes as compatible replacements.
  • Manufacturer-listed protective circuitry covers over-current, over-charge, over-discharge, short-circuit and overheating conditions.
Price
$22.49Save 44%

Reference price: $39.99

Price checked: Nov 14, 2026

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Often bought together

Pros and cons

Pros

  • A two-battery pack can provide a spare while another battery is in use.
  • The listing identifies compatibility with a range of 20V tool types, including drills, trimmers, saws and vacuums.
  • A 12-month warranty is stated in the product details.

Cons

  • These are compatible replacement batteries rather than original Black and Decker OEM batteries.

Technical specifications

11 specifications
Identity
BrandUADCA
ModelLBXR20
Power and battery
Battery typeLithium Ion
Voltage20 volts
Capacity4000 milliamp_hours
Amperage4 A
RechargeableRechargeable
Battery weight1.7 pounds
Quantity2 A batteries required. (included)
Compatibility and support
Listed compatibility20v power tools and chargers
Warranty12-month warranty

What to know before buying

  • The manufacturer describes this pack as a compatible replacement, not an original OEM product. Compatibility is claimed for selected 20V tools and chargers, so confirm the exact tool and charger model before purchase. Safety and cycle-life statements are manufacturer claims, not independently verified performance.

What’s in the box

Included
  • User manual
  • 2 x 4.0Ah battery

Who is it for?

A good fit for

  • Owners of listed compatible 20V tools who want a two-battery replacement pack.
  • Buyers seeking replacement packs for drills, yard tools, saws or vacuums that use the specified battery platform.

Less suited to

  • Buyers who require an original Black and Decker OEM battery.
  • Owners of tools or chargers outside the listed 20V compatibility claim.
UADCA LBXR20 20V 4.0Ah Lithium-Ion Battery 2-Pack · photo 2
Additional product photo 2

Customer reviews on Amazon

4.3 / 5 · 30 ratings
  • 5 stars62%62%
  • 4 stars24%24%
  • 3 stars4%4%
  • 2 stars0%0%
  • 1 star10%10%

Aggregate ratings lean positive, with most ratings in the four- or five-star categories, but a smaller one-star share indicates that experiences are not uniformly favorable. Without written customer feedback, the ratings do not establish specific strengths or explain dissatisfaction. Buyers should weigh them alongside the stated compatibility and remember that this is a replacement pack, not an OEM battery.

Frequently asked questions

Are these original Black and Decker batteries?

No. The listing explicitly describes them as compatible replacement batteries, not original OEM products.

What is included?

The listed contents are two 4.0Ah batteries and one user manual.

Which tools are these batteries claimed to fit?

The manufacturer claims compatibility with original 20V tools and chargers, including selected drills, trimmers, vacuums, mowers, saws and other tools. Confirm the exact model before buying.

What warranty is listed?

The product details state a 12-month warranty.

UADCA LBXR20 20V 4.0Ah Lithium-Ion Battery 2-Pack · photo 3
Additional product photo 3

Alternative options

Product details in Markdown