Hitachi UC18YGL 7.2-18-Volt Universal Charger (Discontinued by manufacturer) This charger is 7.2-18-volt Designed to recharge battery models 327730, 326241, 327728, and 326823 Recharge time of 35 to 60-minutes Can recharge other compatible 7.2-18-Volt batteries Comes with a 1-year limited warranty This charger is 7.2-18-Volt designed to recharge battery models 327730, 326241, 327728, and 326823 Recharge time of 35-60 minutes Can recharge other compatible 7.2-18-Volt batteries Comes with a 30-day limited warranty