High Capacity 4.0Ah Lithium Ion Battery Replacement For Hilti B22 And 18V 21.6V 22V Cordless Power Tools, A Solid Upgrade For Long Lasting Power, Smooth Fit And Broad Compatibility For Your Tools

Long-Lasting 4.0Ah Li‑Ion Battery for B22 & 18V Tools
✔️ 4.0Ah Li‑Ion, 21.6V/22V compatibility, 21700 cells, red, pack 1

This high-capacity replacement battery powers B22 and a broad range of 18V-class cordless tools, delivering extended runtimes and dependable power on the job site.

✅ 4.0Ah nominal capacity (4000mAh, 86.4Wh)
✅ 21.6V/22V nominal voltage for broad tool compatibility
✅ 21700 cell format, 6S1P configuration for solid performance
✅ Red housing, model B22-4A
✅ Safe Li-ion chemistry with overcharge, overdischarge, and short-circuit protection
✅ Durable design for frequent charge/discharge cycles

💡 What is a high capacity Li-Ion battery replacement used for in cordless tools? Handy for extending runtime and keeping power up when you need it most.

- Longer runtime for daily tasks - Broad compatibility with 18V/21.6V/22V models - Safe Li-ion chemistry with protection features - Easy drop-in fit for quick tool swaps