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⚡ Power up your tools, power up your productivity!
The BULL-TECH 40 Volt MAX 2.0Ah Lithium Battery Replacement is a high-performance, lightweight, and durable power source compatible with all Black & Decker 40V Power+ tools. Featuring advanced lithium-ion 18650 cells, impact-resistant casing, and a 1-year warranty, it ensures extended runtime and reliable overload protection, making it the smart choice for professionals and DIYers seeking dependable cordless power.





| ASIN | B0BMWTGQ1R |
| Amperage | 2 Amps |
| Antenna Location | Power Tool |
| Battery Capacity | 2 Amp Hours |
| Battery Cell Composition | Lithium Ion |
| Battery Cell Type | Lithium Ion |
| Battery Weight | 1.5 Pounds |
| Best Sellers Rank | #6,997 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #45 in Cordless Tool Battery Packs |
| Brand | BULL-TECH |
| Compatible Phone Models | BLACK+DECKER LBX2040 LBXR36 LBXR2036 LST540 LCS1240 LBX1540 LST136W bxr2036 |
| Customer Reviews | 4.6 out of 5 stars 722 Reviews |
| Manufacturer | BULL-TECH |
| Model Name | Replacement for Black and Decker 40V Battery LBX2040 LST136 LBXR2036 LBXR36 LHT2436 LCS1240 LBX1540 LBX36 LSWV36 LST540 LST136W |
| Number of Batteries | 10 Lithium Ion batteries required. (included) |
| Recommended Uses For Product | Power Tool |
| Reusability | Rechargeable |
| Unit Count | 1.0 Count |
| Voltage | 40 Volts |
| Warranty Description | 1YEAR |
M**N
Works like Original Black and Decker
Works perfectly. Holds a Charge like Original Battery.
S**N
Better than B&D batteries
Purchased this as a replacement for the wimpy Black and Decker battery. Unlike the B&D battery, this one lasts about an hour and does my entire yard.
C**.
Over a year later, still working great, buying another
Bought this in April 2024, and in August 2025 it’s still going strong. Holds enough of a charge, and I’m leaving this review as I’m adding a second one to my cart (been getting by rotating two batteries, adding a third one will make life easier for me).
L**N
EXCELLENT QUALITY AND PRICE! TEN STARS!
FABULOUS battery! Worked perfectly all summer and fall with LONG run time ! Can't wait to ue it this spring- excellent quality and super fast shipping! TEN STARS!
W**Z
GOOD REPLACEMENT.
Good replacement for my original battery.
T**J
Great Replacement Battery!
Was worried since I wasn't buying an "officially branded" battery. But it is working better than any of my official ones at this time. Worth the price since it was less than half of a Black & Decker one!
D**.
Value deal on a 40v battery
Good battery at a reasonable price
R**E
Great Replacement for Black and Decker
I really like this and it was worth it to add more power to my hand saw. It is easy to use and is a great replacement battery for Black and Decker products.
S**G
Does not charge fully
Would not fully change after one single use
Trustpilot
1 day ago
3 weeks ago