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๐ Power up your toolkit with unstoppable energy!
The Biswaye 4.0Ah 20V Lithium Battery 2-pack is a high-capacity, rechargeable lithium-ion battery set compatible with Black & Decker 20V MAX cordless tools. Featuring 4000mAh capacity and built-in overcharge protection, these batteries deliver reliable, long-lasting power for a variety of outdoor and DIY power tools. Designed to meet FCC, RoHS, and CE safety standards, they come with a 30-day money-back guarantee and 1-year warranty, making them a smart, risk-free upgrade for professionals and enthusiasts alike.




| ASIN | B071KW8D4X |
| Amperage | 4 Amps |
| Antenna Location | Compatible with Black & Decker 20V Max Cordless Power Tools Battery LBXR20 LBXR2020 LBX20 LBXR2520 LB2X4020 LB2XR20 |
| Battery Capacity | 4 Amp Hours |
| Battery Cell Type | Lithium Ion |
| Battery Weight | 882 Grams |
| Battery capacity | 4 Amp Hours |
| Battery cell composition | Lithium Ion |
| Best Sellers Rank | #89,062 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #296 in Cordless Tool Accessories #841 in Outdoor Power Tool Accessories |
| Brand | Biswaye |
| Customer Reviews | 4.3 out of 5 stars 1,170 Reviews |
| Item Dimensions | 13 x 9.5 x 7 centimeters |
| Item Weight | 227 g |
| Manufacturer | CXAB |
| Model Name | Compatible with Black and Decker 20V Battery Replacement LBXR20, LB20, LBX20, LBX4020, LB2X4020, LBXR20-OPE, LBXR2020-OPE, LB2X3020-OPE |
| Model Number | LBXR20 |
| Number of Batteries | 2 Lithium Ion batteries required. (included) |
| Number of batteries | 2 Lithium Ion batteries required. (included) |
| Recommended uses for product | Compatible with Black & Decker 20V Max Cordless Power Tools Battery LBXR20 LBXR2020 LBX20 LBXR2520 LB2X4020 LB2XR20 Recommended uses for product Compatible with Black & Decker 20V Max Cordless Power Tools Battery LBXR20 LBXR2020 LBX20 LBXR2520 LB2X4020 LB2XR20 See more |
| Reusability | Rechargeable |
| UPC | 611517092985 |
| Unit Count | 2 Count |
| Unit count | 2 Count |
| Voltage | 20 Volts |
S**T
New life for "old" trimmer
Just what I needed to boost power in my "old" trimmer. It seems like the new batteries are more powerful than the old one. Having two allows me to finish my trimming/edging. When I had only one battery I would run out of power just short of finishing the job. I only wanted one battery to have an extra but felt forced to by two since most were offered in packs of two. I'll set the original battery aside for an emergency and use the new ones to do my trimming. However, very satisfied. (Make sure you know your model # before you buy.)
S**M
Black and Decker Lithium Batteries for Edger
Works great with my black and decker edger. Way cheaper too. I live on acreage so I need repacment batteries to do the fence lines and walkways on a farm.
G**R
Decent replacement
Why did you pick this product vs others?: After about six or seven years of use, the original batteries for my Black & Decker weed whacker finally got to the point that they wouldn't hold a charge for very long. I purchased these and am happy to report they fit both the tool and the charger, however, one of the batteries isn't holding a good charge. It lasts about as long as one of the better original batteries after fully charged. I haven't tried the other one yet, but I noticed even the two original batteries held charges differently, so I'm happy enough.
E**N
Charge when you are not in a hurry because it takes almost 3 hours to fully charge.
Lots of power.
D**Y
Good battery
Worked well in my B/D tools
Trustpilot
3 weeks ago
3 days ago