---
product_id: 136818459
title: "DTK 3.5Ah 40V MAX Batteries Replacement for Black and Decker 40V Battery LBX2040 LBX36 LBXR36 LBXR2036 LST540 LST136W Replacement for Black&Decker"
brand: "dtk"
price: "₨33791"
currency: LKR
in_stock: true
reviews_count: 8
category: "Dtk"
url: https://www.desertcart.lk/products/136818459-dtk-3-5ah-40v-max-batteries-replacement-for-black-decker
store_origin: LK
region: Sri Lanka
---

# 40V MAX Voltage Power 3.5Ah Real Capacity 7x Longer Charge Retention DTK 3.5Ah 40V MAX Batteries Replacement for Black and Decker 40V Battery LBX2040 LBX36 LBXR36 LBXR2036 LST540 LST136W Replacement for Black&Decker

**Brand:** dtk
**Price:** ₨33791
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up your toolkit with unstoppable energy!

## Quick Answers

- **What is this?** DTK 3.5Ah 40V MAX Batteries Replacement for Black and Decker 40V Battery LBX2040 LBX36 LBXR36 LBXR2036 LST540 LST136W Replacement for Black&Decker by dtk
- **How much does it cost?** ₨33791 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/136818459-dtk-3-5ah-40v-max-batteries-replacement-for-black-decker)

## Best For

- dtk enthusiasts

## Why This Product

- Trusted dtk brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Stay In The Know:** Integrated LED charge indicator keeps you informed on battery status at a glance.
- • **Risk-Free Upgrade:** Backed by 12-month warranty and 30-day money-back guarantee for peace of mind.
- • **Smart & Safe Charging:** Built-in microchip prevents overcharging and self-discharge for battery longevity.
- • **Seamless Compatibility:** Works flawlessly with all Black & Decker 36V/40V Max cordless tools.
- • **Power Through Your Projects:** 3.5Ah capacity delivers extended runtime for uninterrupted productivity.

## Overview

The DTK 3.5Ah 40V MAX Replacement Battery is engineered for Black & Decker 36V/40V cordless tools, offering a robust 3.5 amp-hour capacity and 40 volts of power. Featuring advanced cell technology with no memory effect, it holds charge up to 7 times longer than NiCad batteries. Integrated safety microchips and LED indicators ensure reliable, smart charging and usage. Perfect for professionals seeking longer runtime, compatibility, and durability backed by a 12-month warranty.

## Description

desertcart.com: DTK 3.5Ah 40V MAX Batteries Replacement for Black and Decker 40V Battery LBX2040 LBX36 LBXR36 LBXR2036 LST540 LST136W Replacement for Black&Decker : Tools & Home Improvement

Review: Good Battery - Perfect replacement for my Black and Decker weed whip And its actually affordable.
Review: Replacement battery - Delivery was prompt and the battery works great. Thank you.

## Features

- [Battery specification] Brand New| Battery Type: Real Capacity:3.5Ah| Voltage:40V| Watts:140wh
- [Perfect compatibility] Compatible with black&decker lbx1540, lbx2040, lbxr36, lbxr2036 all 36v/40v cordless power tools. Charge with all 36v or 40v Max chargers, holds a charge up to 7x longer than NiCad
- [Product advantages] Use high quality cells to produce this battery, no memory effect, can be charged or discharged as needed without capacity reduction.3.5Ah real capacity gives longer runtime and stronger power, make you work more effective
- [Safe and reliable] Integrated LED battery charge level indicator allows user to monitor battery using,Built-in integrated microchip prevents overcharging, self-discharge and lengthens battery life. Comply with FCC RoHS and CE security testing standards.
- [What You Get, Customer Service]: 1 packs batteries, Manual. 30-day money back and 12-month limited warranty. CONTACT US: Please contact through "Your Orders" tab in desertcart account (allow 24hrs for reply), we will give you the most satisfactory solution.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| 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 | #130,044 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,211 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 428 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 |

## Product Details

- **Battery Capacity:** 3.5 amp_hours
- **Battery Cell Composition:** Other Than Listed
- **Brand:** DTK
- **Number of Batteries:** 1 A batteries required. (included)
- **Recommended Uses For Product:** Power Tool

## Images

![DTK 3.5Ah 40V MAX Batteries Replacement for Black and Decker 40V Battery LBX2040 LBX36 LBXR36 LBXR2036 LST540 LST136W Replacement for Black&Decker - Image 1](https://m.media-amazon.com/images/I/71BnrxTQJmL.jpg)
![DTK 3.5Ah 40V MAX Batteries Replacement for Black and Decker 40V Battery LBX2040 LBX36 LBXR36 LBXR2036 LST540 LST136W Replacement for Black&Decker - Image 2](https://m.media-amazon.com/images/I/71mqhhVcuZL.jpg)
![DTK 3.5Ah 40V MAX Batteries Replacement for Black and Decker 40V Battery LBX2040 LBX36 LBXR36 LBXR2036 LST540 LST136W Replacement for Black&Decker - Image 3](https://m.media-amazon.com/images/I/61hMB69aekL.jpg)
![DTK 3.5Ah 40V MAX Batteries Replacement for Black and Decker 40V Battery LBX2040 LBX36 LBXR36 LBXR2036 LST540 LST136W Replacement for Black&Decker - Image 4](https://m.media-amazon.com/images/I/715S0neVEEL.jpg)
![DTK 3.5Ah 40V MAX Batteries Replacement for Black and Decker 40V Battery LBX2040 LBX36 LBXR36 LBXR2036 LST540 LST136W Replacement for Black&Decker - Image 5](https://m.media-amazon.com/images/I/7150NKCZc6L.jpg)

## Questions & Answers

**Q: I bought one of these in november of 2020.  it is now may 2021 and it no longer holds a charge.  did i get a bad battery?**
A: possibly, but I think that's normal.  mine didn't hold up for long.

**Q: Does it come charged?**
A: only partial. (can't legally ship fully charged)

**Q: Will this fit craftsman 40v tools?**
A: Yes, I am using it with my weed eater and it work great.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good Battery
*by G***K on September 21, 2026*

Perfect replacement for my Black and Decker weed whip And its actually affordable.

### ⭐⭐⭐⭐⭐ Replacement battery
*by G***O on July 4, 2026*

Delivery was prompt and the battery works great. Thank you.

### ⭐⭐⭐⭐ Works great over all
*by A***R on September 18, 2025*

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.

## Frequently Bought Together

- DTK 3.5Ah 40V MAX Battery Replacement for Black and Decker 40V Lithium Battery LBX2040 LBX36 LBXR36 LBXR2036 LST540 LST136W Replacement for Black&Decker 40V Lithium Battery
- BLACK+DECKER 40V MAX Hedge Trimmer, Cordless, 24-Inch Blade, Battery and Charger Included (LHT2436)
- BLACK+DECKER Weed Eater String, Trimmer Line, 3-Pack, 30-Feet of Replacement Spool, 0.065-Inch Diameter (AF1003ZP)

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**Shop now:** [https://www.desertcart.lk/products/136818459-dtk-3-5ah-40v-max-batteries-replacement-for-black-decker](https://www.desertcart.lk/products/136818459-dtk-3-5ah-40v-max-batteries-replacement-for-black-decker)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-09-30*