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🔋 Power up your toolkit with confidence—never get caught powerless again!
The DTK 3.5Ah 40V MAX Replacement Battery is engineered for Black & Decker 36V/40V cordless tools, offering 3.5 amp-hours of real capacity and 140Wh power. Featuring advanced safety microchips and an LED charge indicator, it ensures longer runtime, 7x better charge retention than NiCad, and reliable performance with no memory effect. Backed by a 12-month warranty, it’s the smart upgrade for professionals demanding consistent power on the job.
| ASIN | B07QZRL6NL |
| Amperage | 3.5 A |
| Antenna Location | Power Tool |
| Battery Capacity | 3.5 amp_hours |
| Battery Cell Composition | Other Than Listed |
| Battery Cell Type | Other Than Listed |
| Battery Weight | 0.75 kg |
| Best Sellers Rank | #69,997 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #698 in Cordless Tool Battery Packs |
| Brand | DTK |
| Compatible Phone Models | Replacement for black and decker 36V 40V systems of power tools lawn mower, leaf blower, hedge trimmer, weed eater,chainsaw |
| Customer Reviews | 4.2 out of 5 stars 426 Reviews |
| Item Dimensions | 0.01 inches |
| Item Type Name | battery pack |
| Item Weight | 8.16 ounces |
| Manufacturer | Shenzhen Henglixinyuan Electronic Technology Co., Ltd |
| Model Name | LBXR2036 |
| Model Number | LBX2040 |
| Number of Batteries | 1 A batteries required. (included) |
| Recommended Uses For Product | Power Tool |
| Reusability | Rechargeable |
| Unit Count | 1 Count |
| Voltage | 40 volts |
| Warranty Description | 12 months warranty for repairing or replacing freely |
G**O
Replacement battery
Delivery was prompt and the battery works great. Thank you.
R**4
Damned good battery
works as well as if it came with my weed whacker and I ndon';t hasve to recharge it after 10 minmutes use, I love it.
A**R
Works great over all
Overall works great, powers my black and decker mower and weedeater and blower fine. But it does flash red on the charger sometimes. It’s not one I can fully charge at one time. I have to leave it off charger for awhile then try and top it off if it won’t start flashing red. I keep a fan directly blowing on my batteries while charging bc I’m always worried about overheating them. My name brand ones don’t do that. Overall happy since this is way less expensive.
W**S
Works fine
Works as advertised
Z**S
Good while it lasted, but it didn't last.
I bought this to use as a second battery to extend the runtime of my Black and Decker tools. After only two years of seasonal light use, it has completely stopped working. The battery no longer accepts a charge, even after cooling down for days:: the light on the charger just blinks red. This is an unacceptably short lifespan: for comparison, the original Black and Decker battery is still going strong after nine years, and still charges normally with the same charger.
J**E
Excellent battery.
The battery works very well in all my Black and Decker tools.
T**2
So Far So Good
This battery is working well so far to power my weed trimmer. It does not come with a charger, but it does work with my original B&D charger.
N**3
Short lifespan
Used for the weedeating season the first year I had it (3-4 months- 2-3x per month) Got two charges done for this year, and it quit charging. I had originally given it a 4 for fit and charging, but since it has had such a short life, I have changed it to a 3.
Trustpilot
1 month ago
2 months ago