Bmcot 4.0Ah lithium battery side view showing 20V compatibility.
Bmcot 4.0Ah battery front label confirms LBXR20/LBX20 compatibility.
Bmcot 20V Max replacement pack shows LBXR20 series compatibility.
Bmcot battery ejection interface close-up for easy swaps.
Bmcot protection circuits close-up highlighting safety features.
Bmcot two-pack packaging emphasizes value and convenience.
Bmcot sleek battery design close-up for a snug fit.

Bmcot

Bmcot 4.0Ah Lithium Replacement Battery for Black and Decker 20V Max LBXR20/LBX20 — 2-Pack

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

$59.15

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Why customers choose TaskHolt Tools

Powerful extension for your 20V Max tools

The Bmcot 4.0Ah lithium replacement battery arrives as a practical two-pack, designed to keep your Black and Decker 20V Max tools ready for longer jobs. This is a non-OEM option that fits the 20V family with a balanced mix of capacity and weight, delivering steady power when you need it most. With a robust 4.0Ah rating, this battery aims to extend runtime between charges while feeling comfortable in your hand during use.

Key specifications

  • Battery type: Lithium Ion
  • Voltage: 20V
  • Capacity: 4000mAh / 4.0Ah

Compatibility and replacement basics

Engineered as a compatible replacement for LBXR20, LBX20, LBXR2040, LB2X4020-OPE, and LBXR20B-2. It is not the original OEM battery, but it is designed to slot in smoothly with your existing tools, offering a familiar form and fit.

Ease of use and safety

  • Easy ejection and interface for quick swaps
  • Built-in protection circuits: overcurrent, overcharge, and overdischarge
  • No memory effect; can be charged at any time without compromising performance

Real-world scenarios

Think weekend projects, fence repairs, garden maintenance, or lightweight DIY builds where dependable power matters. The 20V system provides a favorable balance of weight and performance for handheld tools, reducing fatigue over longer sessions.

Value, service, and support

This listing includes two batteries for extended use and planning during busy days. If you have questions, our friendly support team is ready to help ensure your satisfaction.

FAQ

Q: Is this an OEM Black and Decker battery?

A: No. This is a non-OEM replacement designed for LBXR20, LBX20, and related 20V Max models.

Q: What protections does the battery include?

A: Built-in overcurrent, overcharge, and overdischarge protections; no memory effect; can be charged anytime.

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