Universal AA/AAA Lithium Battery Charger : Fast-charges 1.5V lithium AA/AAA rechargeable batteries (Li-ion) & Ni-MH cells. Mix & match 1-4 batteries safely.Supports all rechargeable AA/AAA lithium batteries Smart Charger for Rechargeable Lithium AA/AAA: LCD screen monitors voltage & detects lithium rechargeable AA/AAA batteries. Blocks alkaline/defective cells. Revive Dead 1.2V AA AAA Rechargeable Batteries: Repair Mode recovers over-discharged AA 1.2V rechargeable batteries, saving replacement costs 2-Hour USB-C Charger for AA/AAA Lithium: Fully charges rechargeable lithium AA/AAA batteries with charger in 1.5hrs Package Included: 1pcs L4 Pro Charger, 1pcs USB C Cable, 1pcs manual. savings on XTAR 1.5V Li-ion AA/AAA batteries! XTAR L4 Pro Smart Battery Charger – Universal, Fast & Safe Charging for AA/AAA Batteries Powerful Performance, Smarter Charging The XTAR L4 Pro is a 4-slot independent charger designed to intelligently charge Ni-MH and Li-ion AA/AAA batteries (1.2V & 1.5V) with unmatched flexibility. Whether you’re reviving old batteries or powering daily devices, its LCD display provides real-time voltage, charging mode, and error alerts for total control.