Husqvarna High Performance Lithium-Ion Battery Charger for 2.1 & 4.2 Ah | QC330 Power level gauge indicates level of charge during use Compatible with Husqvarna Li series 2.1 and 4.2 Ah batteries Charges Husqvarna batteries BLi80 and BLi150 Long lasting power and performance with Lithium Ion technology Plugs into any outlet to charge batteries conveniently