The Hoteche Charger 2.4A 21V (220-240V, 50/60Hz) is designed for efficient and reliable charging of compatible lithium-ion batteries. Operating with an input voltage of 220-240V, 50/60Hz, and an output voltage of 21V, this charger delivers a charging current of 2.4A. It is suitable for various Hoteche cordless tools with 21V batteries and includes safety features such as overcharge protection, short circuit protection, and temperature control. This 1hr quick charger ensures your tools are ready for use with minimal downtime.