---
product_id: 741299336
title: "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"
brand: "dtk"
price: "$4561"
currency: MXN
in_stock: true
url: https://www.desertcart.mx/products/741299336-dtk-3-5ah-40v-max-battery-replacement-for-black-decker
store_origin: MX
region: Mexico
---

# 40V MAX Voltage 3.5Ah Real Capacity 7x Longer Charge Retention 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

**Brand:** dtk
**Price:** $4561
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up your Black & Decker tools with unstoppable energy!

## Quick Answers

- **What is this?** 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 by dtk
- **How much does it cost?** $4561 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/741299336-dtk-3-5ah-40v-max-battery-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 level indicator keeps you informed so you never get caught off guard mid-task.
- • **Risk-Free Upgrade:** Backed by a 30-day money-back guarantee and 12-month warranty—because your productivity deserves reliable power.
- • **Smart Safety Tech:** Built-in microchip prevents overcharging and self-discharge, ensuring longer battery life and peace of mind on every job.
- • **Seamless Compatibility:** Works flawlessly with LBX2040, LBXR36, LBXR2036, LST540, LST136W and all 36V/40V Max chargers—no compatibility worries.
- • **Power Through Your Projects:** 3.5Ah high-capacity lithium-ion cells deliver extended runtime and consistent power for all your Black & Decker 40V tools.

## Overview

This brand-new 3.5Ah 40V MAX lithium-ion battery replacement is engineered for Black & Decker 40V cordless tools, offering 7x longer charge retention than NiCad batteries. Featuring smart safety microchip technology and an LED charge indicator, it ensures reliable, high-performance power with no memory effect. Compatible with multiple Black & Decker models and backed by a 12-month warranty, it’s the ultimate upgrade for professionals demanding efficiency and durability.

## Description

Replacement for black+decker 40V MAX Battery LBX2040 LBXR36 LBXR2036 LST540 LCS1240 LBX1540 LST136W

## Features

- [Battery specification] Brand New| Battery Type:Li-ion| 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 lithium 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 |
| Batteries | 1 A batteries required. (included) |
| Best Sellers Rank | #159,170 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,616 in Cordless Tool Battery Packs |
| Customer Reviews | 4.2 4.2 out of 5 stars (414) |
| Date First Available | May 8, 2019 |
| Item Weight | 8.2 ounces |
| Item model number | LBX2040 |
| Manufacturer | Shenzhen Henglixinyuan Electronic Technology Co., Ltd |

## Product Details

- **Number of batteries:** 1 A batteries required. (included)
- **Brand:** DTK
- **Battery cell composition:** Lithium Ion
- **Battery capacity:** 3.5 Amp Hours
- **Recommended uses for product:** Power Tool

## Images

![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 - Image 1](https://m.media-amazon.com/images/I/71BnrxTQJmL.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.

## 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.mx/products/741299336-dtk-3-5ah-40v-max-battery-replacement-for-black-decker](https://www.desertcart.mx/products/741299336-dtk-3-5ah-40v-max-battery-replacement-for-black-decker)

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*Product available on Desertcart Mexico*
*Store origin: MX*
*Last updated: 2026-03-15*