DTK

DTK 40V MAX 3.5Ah Battery Replacement for Black & Decker | LBX2040 LBX36 LBXR36 LBXR2036

High-performance tools and home improvement made for confident daily results

$49.03

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Simple return flow and responsive support for eligible items.

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Why customers choose TaskHolt Tools

Refresh your Black & Decker cordless toolkit with the DTK 40V MAX 3.5Ah battery. Engineered to deliver solid capacity and dependable power, this replacement follows a reliable design ethos built for home workshops, DIY projects, and on-the-job tasks alike.

Smart power, real‑world performance

The DTK replacement offers a real 3.5Ah capacity at 40V, equating to roughly 140Wh of usable energy. This combination is designed to provide longer sessions between charges compared with typical Ni‑Cd packs, helping you stay productive during longer tasks without frequent breaks.

  • Real capacity: 3.5Ah at 40V (≈140Wh) for extended usable time
  • No memory effect: charge or discharge as needed without losing capacity
  • Endurance-ready: compatible with a wide range of 36V/40V tools for flexible use

Compatibility you can trust

Designed to pair with Black & Decker LBX1540, LBX2040, LBXR36, and LBXR2036 models, this battery works across 36V/40V tool families. It accepts charging from all 36V or 40V Max chargers, and slides into compatible tool setups with confidence.

  • Compatible with LBX1540, LBX2040, LBXR36, LBXR2036
  • Works with 36V and 40V Max chargers
  • Broad tool compatibility across 36V/40V platforms

Safe, reliable power you can monitor

Key safety features include an LED charge level indicator and a built‑in microchip that helps prevent overcharging and unnecessary self‑discharge. The battery adheres to FCC RoHS and CE standards, supporting everyday, worry‑free use.

  • LED indicator to monitor charge status at a glance
  • Built‑in protection against overcharging and self‑discharge
  • RoHS and CE compliant for safety and reliability

What you get and support

Each purchase includes one DTK 40V MAX 3.5Ah battery and a user manual. Enjoy a 30‑day money‑back guarantee and a 12‑month limited warranty, with responsive help through the Your Orders channel if needed.

  • 1 x DTK 40V MAX 3.5Ah battery + manual
  • 30‑day money‑back guarantee; 12‑month limited warranty
  • Support through Your Orders for swift assistance

FAQ

Q: Is this DTK battery compatible with Black & Decker LBX1540 and LBX2040?

A: Yes. It fits LBX1540, LBX2040, LBXR36, LBXR2036 and other 36V/40V tools.

Q: What warranty and return options come with this battery?

A: 30-day money-back guarantee and 12-month limited warranty; contact via Your Orders for assistance.