Bonacell Upgraded 2Pack 20V Max 4000mAh Replacement Battery for Black & Decker 20V Tools

Powerful upgrade for your Black & Decker 20V tools

Meet the Bonacell Upgraded 2Pack 20V Max 4000mAh replacement batteries. Each pack delivers 4000mAh of energy in a compact 20V format designed to mirror Black & Decker's 20V ecosystem. The two-pack design offers flexibility on the job: swap in a fresh cell while you work, or keep one on the charger for quick changes. Built for reliability and everyday use, these packs are designed to feel like a natural extension of your existing tool lineup.

Key benefits at a glance

• High capacity 4000mAh for longer operation between charges, helping you power through tasks with fewer interruptions.
• Rechargeable lithium-ion cells with a 20V rating and a total of 76Wh, designed to fit a wide range of Black & Decker tools.
• No memory effect means you can charge anytime; built-in overcharge protection adds a layer of safety during charging and use.
• Adaptive chip stabilizes current and voltage, supporting safe operation and reducing the risk of voltage spikes.

Compatibility and real-world use

These batteries are designed as direct replacements for Black & Decker 20V packs such as LB20, LBX20, LBXR20, LB2X4020, and LST220, among many others. They fit original chargers and a broad family of 20V tools, including outdoor power devices like leaf blowers, trimmers, and chainsaws.

• Wide compatibility with Black & Decker 20V tools, including BDCDMT120, CHH2220, LDX120C, LST220, LST120, LST300, LSW20, SSL20SB, and more.
• Designed for outdoor use where quick battery swaps matter, helping you stay productive when a spare is ready.

Practical tips

Charge fully before first use, store in a cool, dry place, and avoid extreme temperatures. Runtime will vary with tool type, workload, and battery health. Note: Real-world results depend on factors like tool model, load, and operating conditions.