Powerextra replacement Charger for Milwaukee 48-59-2401 M12 Lithium-Ion Charger Single unit simplicity: Charges M12 RED LITHIUM and M12 Lithium-Ion batteries Charge management: Charger communicates with the battery pack to ensure a full charge and battery protection Onboard indicator light: Clearly shows the status of the battery Pass-through plug: Conserves valuable outlet space All Powerextra products come with a 30-day money back and a 12-month limited seller's guarantee against manufacturer defects from date of purchase, and 24 hours' friendly customer service!