18V 21V Li-ion Battery Charger Quick Charge 0.5A 1.2A 2A 3A Power Tools Portable Charger for BL1415 BL1815 BL1830 BL1850

Voltage range : Low voltage non-USB (below 75V DC, below 50V AC) GaN : No Compatible Devices : Battery Output Power : ≤37.5 High-concerned chemical : None Data Transmission : Other Output Current : 0.5A Power Source : DC Package : Yes Use : Standard Battery Model Number : 21V0.5A Display screen : No Intelligent Charge : Yes Quick charge : No Type : Desktop,Quick charger,Battery charger Label:Yes