18v 21v batteries lithium charger type For Makita L1415 BL1850 BL1815 BL1830 . 21v Battery Charger: Supports 100-240v universal standard AC input voltage. It comes with a 2A power adapter, a US plug, and an LED indicator to easily check the charging status. Multi-Protect Safety System: This fast charger is equipped with overload protection, overheat protection, over-charge protection, over-current protection, over-voltage protection, and over-discharge protection. Single Charge Port: Charges 4000 mAh batteries in 90 minutes and 2000 mAh batteries in just 45 minutes, reducing waiting time. There are 2 indicators under the charging stand to show the charging status. Batteries provide consistent power and runtime in extreme temperatures. 21V 2A Quick Charger, Compatible with Power Tools Chargers, Suitable for Makita Seat Chargers, Direct Charger for Electric Impact Cutter Lithium Batteries, Makita Seat Chargers.