20V 4.0Ah Lithium?Ion Battery Pack that fits all Winkko Cordless Power Tools

This Winkko 20V 4.0Ah lithium‑ion battery pack is designed to power the full Winkko 20V cordless range, delivering a strong combination of runtime, performance and manageable weight. The pack uses high‑quality 18650 Li‑ion cells to provide consistent power output and reliable discharge, making it ideal for demanding tools such as impact wrenches, drills, sanders and jigsaws.

• Voltage: 20V lithium‑ion platform

• Capacity: 4.0Ah for extended runtime between charges

• Cell type: 18650 Li‑ion high‑discharge cells (10C) for stable performance under load

• Compatible with all Winkko 20V cordless tools using the same slide‑on battery interface

• No memory effect – top up charge at any time without reducing battery life

• Lightweight design compared with older NiCd packs, helping to reduce user fatigue

Ideal as a spare or replacement pack to increase runtime across your Winkko 20V cordless tools.