This HiKOKIBattery Fast Charger Starter Pack contains: 2 x 18V 3.0Ah Li-ion Batteries. 1 x 14.4-18V UC18YSL3 Rapid Smart Charger is suitable for slide type Li-ion batteries. Cutting edge 3-way protection technology prevents the battery from overcharging and overheating. It has a large charge indicator lamp with 4-colour LED status lights and a USB port for charging small portable devices.