【Battery Features】Type: Lithium-ion | Voltage: 12V | Capacity: 4000mAh. Replace Dewalt 12V Lithium Ion battery model, adapts to a variety for Dewalt chargers 【Safe and Reliable】Easy to use, high-quality material & durable. Certified by CE, ROHS, FCC. Built-in BMS protection system, it provides effective protection against potential damage from short circuits, overcharging, discharging, over-voltage, and overheating 【Battery Storage】Store it in a clean, dry, cool place away from heat and metal objects. Efficient internal cooling system circulates air across the batteries to cool down the heat extending batteries cycling times for long lifespan 【Compatible with Dewalt 12V Li-ion Tools】Replacement for Dewalt 12V battery, for DCB120, DCB123, DCB122, DCB121, DCB124, DCB127, etc. Designed for extended use, delivering consistent power for drilling, fastening, and cutting tasks 【Worry-Free After-Sales】Backed by a 12-month warranty and responsive customer 24-hour service for hassle-free support This high-capacity 4000mAh replacement battery is specially designed for Dewalt 12V MAX cordless tools, offering outstanding performance and long-lasting power. Whether you're a professional tradesperson or a DIY enthusiast, this battery helps you maximize productivity by extending the runtime of your tools. Engineered with premium Li-ion cells, this battery is compatible with a wide range of Dewalt 12V MAX tools such as DCD710, DCF815, and DCL510. The robust build ensures reliability even in demanding job site conditions. For your safety, the battery pack incorporates advanced protection features against overcharge, over-discharge, short circuits, and overheating. Additionally, with no memory effect, you can recharge at any time without impacting battery capacity, while eco-friendly materials help reduce your carbon footprint. Purchase with confidence – we offer a full 12-month warranty and dedicated customer service to ensure your satisfaction.