The HiKOKI UC18YSL3 Rapid Smart Charger is designed for slide type Li-ion batteries, compatible with 14.4V, 18V, and Multi Volt slide batteries. It features industry-leading fast charging, with a 5.0Ah battery charging in approximately 32 minutes and a 6.0Ah battery in 38 minutes. Advanced 3-way protection technology safeguards against overcharging and overheating, extending battery lifespan. The charger includes a cooling feature to prevent overheating during or before charging. A two-colour indicator light displays the charging stage. It also supports low-temperature charging from -10°C and has a USB port (5V, 2A) for charging portable devices like smartphones.