

Hero image 0 of 2PACK 20V 3.8AH Replacement for Black and Decker 20V Lithium LBXR20 LBXR2020-OPE LB20 LBX20 LBX4020 LB2X4020 LBXR2520, 0 of 9
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2PACK 20V 3.8AH Replacement for Black and Decker 20V Lithium LBXR20 LBXR2020-OPE LB20 LBX20 LBX4020 LB2X4020 LBXR2520
Key item features
- Broad Compatibility: This 20V lithium-ion replacement battery is fully compatible with various Black and Decker 20V tools, including LB20, LBXR20, LBXR2020, LST220, LBXR2020-OPE, LBXR20B-2, and LB2X4020 weed eaters and trimmers.
- Seamless Integration: The battery features an identical charging interface and physical dimensions to the original 20V Lithium-ion battery, ensuring perfect compatibility with existing chargers and tools for easy installation and removal.
- Enhanced Capacity: An upgraded 3000mAh high-capacity 20-volt battery provides extended usage time compared to the original 2.0Ah battery, reducing charging frequency and prolonging battery life.
- Advanced Protection: Constructed with high-quality cells and an adaptive chip, the battery offers comprehensive protection against over-charge, over-current, over-voltage, and over-temperature, safeguarding your 20V drill tool.
- Certified Reliability: This Black and Decker compatible battery has received FCC, CE, and RoHS certifications, ensuring safety and reliability without any memory effect.
Generated by AI
Specs
- Volts20 V
- Battery capacity3800 mAh
- CompatibilityBLACK+DECKER
- Compatible modelsLB20, LBX20, LST220, LBXR2020-OPE, LBXR20B-2, LB2X4020
- BrandVanttech
- Works withLBXR20
Reviews summary
Pros
- : Offers a good balance of quality and cost.
Neutral
- : Can be rapid, but also slow in certain situations.
Cons
- : Lasts for a limited number of uses before losing charge capacity.
Generated by AI
Current price is USDNow $32.99
You save $7.00
was $39.99$39.99
You save$7.00
Price when purchased online
- Free shipping
Free 60-day returns
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Arrives between Jul 3 - Jul 7
|Only 1 left
Sold and shipped by VANTTECH
4.338289962825279 stars out of 5, based on 269 seller reviews(4.3)269 seller reviews
Free 60-day returns
About this item
Product details
【100% COMPATIBLE】Our 20V lithium-ion replacement battery is compatible with Black and Decker 20V LB20 LBXR20 LBXR2020 LST220 LBXR2020-OPE LBXR20B-2 LB2X4020 weed Eater trimmer cordless tool 【UPGRADED HIGH-CAPACITY】3000mAh new upgraded high-capacity 20Volt battery, the use time is better than the original 2.0Ah battery, making your tool last longer, the battery is more durable, and it can also reduce the number of charging times and make the battery life longer 【HIGH-QUALITY CELLS】Our replacement battery compatible with Black and Decker 20V which is made of high-quality cells, and an adaptive chip is added to stabilize current and voltage, which can provide over-charge protection, over-current protection, over-voltage protection, and over-temperature protection. In the event of an accident, the battery will protect your 20V drill tool 【FIT YOUR CHARGER】The charging interface of our battery is the same as that of the original 20V Lithium-ion battery, which can perfectly match your charger. In addition, our batteries are the same size as the original, perfectly matching your tool, and installation and removal is as easy as the original 【SAFE AND RELIABLE】Our battery for Black and Decker has passed FCC, CE, RoHS certification, no memory effect. In order to prolong the life of the battery, it is recommended to wait for the battery to rest for a while after use or fully charged before charging or using it, so as to prevent the battery from being overheated and damaging its life. If you encounter any problems before purchasing or using, please feel free to find us
- 【100% COMPATIBLE】Our 20V lithium-ion replacement battery is compatible with Black and Decker 20V LB20 LBXR20 LBXR2020 LST220 LBXR2020-OPE LBXR20B-2 LB2X4020 weed Eater trimmer cordless tool.
- 【FIT YOUR CHARGER】The charging interface of our battery is the same as that of the original 20V Lithium-ion battery, which can perfectly match your charger. In addition, our batteries are the same size as the original, perfectly matching your tool, and installation and removal is as easy as the original
- 【HIGH-QUALITY CELLS】Our replacement battery compatible with Black and Decker 20V which is made of high-quality cells, and an adaptive chip is added to stabilize current and voltage, which can provide over-charge protection, over-current protection, over-voltage protection, and over-temperature protection. In the event of an accident, the battery will protect your 20V drill tool
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.
Specifications
Volts
20 V
Battery capacity
3800 mAh
Compatibility
BLACK+DECKER
Compatible models
LB20, LBX20, LST220, LBXR2020-OPE, LBXR20B-2, LB2X4020
Warranty
Warranty information
No
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Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Warnings
Ingestion Hazard
This product contains a battery. Death or serious injury can occur if ingested. A swallowed battery can cause Internal Chemical Burn in as little as 2 hours. Keep new and used batteries OUT OF REACH OF CHILDREN. Seek Immediate medical attention if a battery is suspected to be swallowed or inserted inside any part of the body.
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Customer ratings & reviews
Reviews summary
Pros
- : Offers a good balance of quality and cost.
Neutral
- : Can be rapid, but also slow in certain situations.
Cons
- : Lasts for a limited number of uses before losing charge capacity.
Generated by AI
Sort by |
Showing 1-3 of 29 reviews
Jun 1, 2026
Walmart customer
Top Reviewer
5 out of 5 stars review
Verified Purchase
As soon as I received these I gave them a workout on my B%26D weed trimmer. I was able to trim my entire backyard on one of the batteries, and that's a lot! I'll test the other one next time I mow. These seem to be reliable, long running powerful batteries to have around as extras for a really good price! I appreciate that!
Helpful?17A0KOUK9H8Q17344809693
May 21, 2026
Virginia
Top Reviewer
5 out of 5 stars review
Verified Purchase
Yes needed to replace Black%26Decker battery
These are worth the wait. The cost is very affordable and came delivered without exception. So far they are the best deal. Running my power tools now.
Helpful?17A0KOUK9H8Q17344809693
May 2, 2026
stella
5 out of 5 stars review
Verified Purchase
Good buy
They work great so far. I've been using the same black and decker weedwhacker for almost 25 years now.
Incentivized Review
Helpful?17A0KOUK9H8Q17344809693
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