Milwaukee M18 B4 18v Cordless Li-ion Battery 4ah 4ah

From the power tool accessories > battery packs & chargers > battery packs range:

The Milwaukee M18 B4 18v Cordless Li-ion Battery is a high-performance battery pack designed to power Milwaukee's M18 range of power tools. With a capacity of 4ah, this battery delivers long-lasting power and runtime, allowing you to work for longer periods without having to stop and recharge. Built with Milwaukee's advanced Redlink Intelligence technology, the M18 B4 Battery optimizes the performance of your tools, providing superior power and runtime while also protecting against overloading and overheating. This technology also helps extend the life of the battery, ensuring it maintains its performance over time. Features & Benefits • Can be used in temperatures down to -20°C without compromising on runtime and battery life • Durable metal frame battery construction with shock responsive separators preventing pack failure • Individual cell monitoring ensures optimal charge and discharge for maximum life • On-board battery fuel gauge helps the user to maximize his battery run-time efficiency • Redlithium protection with Redlink digital overload protection • Up to 2x run time, 20% power and 2x more battery life compared with other Li-ion technologies • Water protection routes water away from the electronics and out of the battery pack Specifications • Battery Capacity: 4ah • Battery Type: Milwaukee M18 Lithium-ion • Battery Voltage: 18v • Pack Quantity: 1 • System: M18 • Weight: 0.7kg