Product Details

- ✅ 18V 4.0Ah Capacity: Delivers 4000mAh of reliable power — ideal for impact wrenches, drills, and other heavy-duty tools. - ⚡ Lithium-Ion Technology: Lightweight and memory-free — ensures consistent voltage and long-term efficiency. - 🔋 Broad Compatibility: Works with Snap-on models CTB4187, CTB4185, CTB6185, CTB6187, and tools like CT6850, CT6855, CDR6850, CDR6855, CT4850HO. - 🔌 CTC620 Charger Support: Fully compatible with Snap-on CTC620 charger for fast and safe recharging. - 🧠 Smart Chip Protection: Built-in PCB monitors current, voltage, and temperature to prevent overcharging and overheating. - 📏 Compact & Rugged Design: Measures approx. 12.3 × 7.7 × 7.1 cm and weighs around 700g — built for tough jobsite conditions. - 🔁 Rechargeable & Reusable: Designed for hundreds of charge cycles without degradation — perfect for professionals and DIYers. - 🚫 Not for Ni-Cd/Ni-MH Systems: Specifically engineered for Li-ion tools — using with incompatible systems may cause damage.