This is a high-quality replacement Li-Ion battery charger designed for 12V, 14.4V, and 18V Milwaukee lithium batteries. Constructed with high-molecular eco-friendly materials, it offers durability, stability, and long service life. The charger features built-in protection mechanisms including overheat protection, short circuit protection, overcurrent protection, overtime protection, overcharge protection, leakage protection, and overvoltage protection.Features: - Made from high-molecular eco-friendly material for enhanced durability and long service life - Built-in protection board provides overcharge, overcurrent, and overvoltage protection to maintain stable charging performance - Equipped with a control switch for easy operation and full compatibility with original batteries - Offers charging protection and detects damaged batteries during charging - Designed as a fast charger for electric power tools - Charging current of 3A with output support for 12V, 14.4V, and 18V battery systems - Compact and lightweight design saves space and allows for convenient storage and transport - Compatible with all Milwaukee 12V, 14.4V, and 18V Lithium-Ion batteries including: - M12, M14 Li-ion 14.4V Battery - M18 Li-ion 18V Battery - Models: 48-11-1840, 48-11-1811 - 12V: M12 B 1.5Ah, M12 B2 2.0Ah, M12 BX 3.0Ah - 18V: M18 B 1.5Ah, M18 BX 3.0Ah, M18 B4 4.0Ah - Also compatible with Milwaukee C12 C, C14-18C, M12-18C, M28C chargers Specifications: - Name: Li-ion Battery Charger - Input voltage: 110220V - Output voltage: 1218V - Frequency: 5060Hz - Item dimensions: 180 x 145 x 80mm (7.09 x 5.71 x 3.15in) - Package dimensions: 185 x 150 x 85mm (7.28 x 5.91 x 3.35in) - Package weight: 600g (1.32lb) Package list: - 1 x Replacement Charger - 1 x User Guide