The Tenergy TN438 16-Bay charger is our largest consumer charger to date. With Smart circuit detection, all 16 channels function independent of each other, allowing for any combination of AA/AAA or NiCD/NiMH to be charged at once, with a clear LCD display of current charge status. The large volume of channels eliminates the need for multiple chargers, and cuts down on charging time. Whether your large family needs batteries for toys or portable devices quickly, or a small business needs stock of power supplies, this rugged and compact charger will keep you prepared. Specifications: Input: AC 100V~240V 50HZ/60HZ Output: 12V DC 2A Rated Charging Current (Normal Charging): AA: 500mA; AAA: 250mA. discharging current: 200~300mA Applicable battery type: AA/AAA NiMH/NiCd rechargeable batteries Product Weight: 14.5oz (charger only) Product Size: 12 x 4.1 x 1.2 in Package Contents: 1 x Tenergy TN438 16-Bay AA/AAA NiMH/NiCd Battery Charger 1 x AC Wall Adapter 1 x Car Adapter 1 x Manual Estimated Charging Time Table: AAA 700mah - 3.7 hrs AAA 800mah - 4.2 hrs AAA 900mah - 4.7 hrs AA 1000mah - 2.6 hrs AA 1600mah - 4.2 hrs AA 2000mah - 5.2 hrs AA 2500mah - 6.5 hrs *The charging time is just for reference, and actual times may slightly vary. This charger is capable of charging higher mAh rated batteries, but will take longer than the longest stated time in this table.