# 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.

- [Original product page](https://best-deals.pro/product/uadca-lbxr20-20v-4ah-lithium-ion-battery-2-pack)
- [View offer](https://best-deals.pro/visit/uadca-lbxr20-20v-4ah-lithium-ion-battery-2-pack)
- Market: US
- Language: en-US
- Currency: USD
- Brand: UADCA
- Model: LBXR20
- Price: 22.49 USD
- Previous price: 39.99 USD
- Discount: 44%
- Price checked: 2026-11-14T07:06:34.509Z
- Rating: 4.3 / 5
- Reviews: 30

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## 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.

## 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.

## Specifications

### Identity
- Brand: UADCA
- Model: LBXR20
### Power and battery
- Battery type: Lithium Ion
- Voltage: 20 volts
- Capacity: 4000 milliamp\_hours
- Amperage: 4 A
- Rechargeable: Rechargeable
- Battery weight: 1.7 pounds
- Quantity: 2 A batteries required. \(included\)
### Compatibility and support
- Listed compatibility: 20v power tools and chargers
- Warranty: 12-month warranty

## Before you buy

- 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.

## In the box

- User manual (Included)
- 2 x 4.0Ah battery (Included)

## 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.

## Customer feedback

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.

## Alternative options

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- [CRAFTSMAN V20 4Ah Lithium Ion Power Tool Battery 2-Pack \(CMCB204-2\) \| High Capacity, Longer Runtime and Cycle Life, 3 LED Charge Indicator, 60 Min Charge Time, Broad V20 System Compatibility](https://best-deals.pro/visit/craftsman-v20-cmcb204-2-4ah-battery-two-pack)
- [6 Packs 12000mAh Replacement for Dewalt 20V MAX Battery, High-Capacity Lithium Batt...](https://best-deals.pro/visit/uadca-lbxr20-20v-4ah-lithium-ion-battery-2-pack)
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- [2Pack 4.0Ah Replacement for Black Decker 20V Max Battery Charger LBXR20 \| 20 Volt C...](https://best-deals.pro/visit/uadca-lbxr20-20v-4ah-lithium-ion-battery-2-pack)
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- [\(8.0Ah 2Pack\) 20V Replacement for Black and Decker 20V Lithium Battery \| LB2X4020 L...](https://best-deals.pro/visit/uadca-lbxr20-20v-4ah-lithium-ion-battery-2-pack)
- [SnapFresh 20V 5.0Ah Battery \(Not Compatible with Other Brands\), BBT-DC50A \| UL Certificated, ONLY for 20V Platform, All SnapFresh 20V Platform tools Compatible, 125-Min Fast Charge, LED Power Indicator](https://best-deals.pro/visit/uadca-lbxr20-20v-4ah-lithium-ion-battery-2-pack)
- [2Pack 5.0Ah Premium Replacement for Black and Decker 20V Battery LB2X4020 \| Fits LB...](https://best-deals.pro/visit/uadca-lbxr20-20v-4ah-lithium-ion-battery-2-pack)
- [4.0Ah 12V Battery and Charger for Black and Decker LBXR12 LBX12 \| LBX12 BL1510 BL13...](https://best-deals.pro/visit/uadca-lbxr20-20v-4ah-lithium-ion-battery-2-pack)
- [Masione 7.0Ah 20V Battery Replacement for Black & Decker LBXR20, 2-Pack \| Fits 20V Cordless Tools That Take LBX20, LBX4020, LBXR2020-OPE and LB2X4020 Packs. Rated 140Wh.](https://best-deals.pro/visit/uadca-lbxr20-20v-4ah-lithium-ion-battery-2-pack)

## Add-ons

- [BLACK+DECKER 20V MAX Lithium Battery Charger, Compatible with 12V and 20V Battery, Battery Sold Separately \(LCS1620B\)](https://best-deals.pro/visit/uadca-lbxr20-20v-4ah-lithium-ion-battery-2-pack)

## Images

![UADCA LBXR20 20V 4.0Ah Lithium-Ion Battery 2-Pack — 1](https://best-deals.pro/i/OipM5xwRR9rSWpzh6aarY7BwOpyryEukuUsBqMRlSfH5qjvxhLJkRY_E46of081Ldrs7-XhKb6w5Dg5XdEBTVV4Fj1o6HpLVRlDH0siQumXq961-2V7sRLpp.jpg)

![UADCA LBXR20 20V 4.0Ah Lithium-Ion Battery 2-Pack — 2](https://best-deals.pro/i/-o8-twMg8a07aM-e5BiWh52UOZGacBDDpk9gozcexF4L1RB-FrR0-JHbwWbSluXHAR2_slZKPB6TKjApYMXZ063WJn9FvRsvrJheCyrnqDufwY3lLrwlSyDS.jpg)

![UADCA LBXR20 20V 4.0Ah Lithium-Ion Battery 2-Pack — 3](https://best-deals.pro/i/YkXh-mv5zgJPnUBuQPTVOhIcl5SxplWOAbzOAe-Oi4hRyDitbSYUPkt6W_AE1EUknqTJ0VEimYVxBGhxFRe_E54q3RjKIIwtMuZXQEm0AQTvUs9JE7XTVkND.jpg)

![UADCA LBXR20 20V 4.0Ah Lithium-Ion Battery 2-Pack — 4](https://best-deals.pro/i/tiBuHa2pMaGD7UcuM8L6MCFo4xKTzh5iALsXeH12P0PhOwNszVwy9sD54riPvL2e59pLaPWWRTK3NO0WJjcyOLgzvBQCJJNFYJKyJ2UuyCKj-huRpSMjnuxH.jpg)

![UADCA LBXR20 20V 4.0Ah Lithium-Ion Battery 2-Pack — 5](https://best-deals.pro/i/jII1ap1wXi6LyFK-2b62SAjDMqy4icLF-d2K287rNRoO5G_kaAHofBAfAw56-gswRadPsHcfxIUt5WJpS6miZyhEcyDaLr2253EWUFFzqUsxH1hMATjzdxA5.jpg)

![UADCA LBXR20 20V 4.0Ah Lithium-Ion Battery 2-Pack — 6](https://best-deals.pro/i/Wbk6eP83vcyun-sLsurovnFfCH04Vz0llaQYQgQpSTcplMyDqTJPiMoM17v3tCeULc8GmhNe0d277z_1olNYEhkEUm4Bbt4lsGqolNAU_EQ3UXqyCItR_wKw.jpg)

![UADCA LBXR20 20V 4.0Ah Lithium-Ion Battery 2-Pack — 7](https://best-deals.pro/i/ZbaXB5SwJMnF9EkKVw-SSsz343EfuVVMeWQem_tcBwTlRVdlh-LYYR0zS1Vx1nVih6bJ0xQmhXkKPka3N5LitVLhcPWuZBMWKfx6EU1GSRGC2xl5rsoVsabE.jpg)