The Powerex MH-C980 Turbo Charger-Analyzer charges up to 8 AA or AAA nickel-metal hydride batteries in approximately 1 hour. This charger is the best combination of an 8-cell charger with battery health analyzing features. It has a special One-Touch Battery Health Analyzer with actual capacity readout to provide the most accurate data. The Turbo charge mode allows you to charge your batteries twice as fast while the default mode will maximize battery life. With the Thermal Management System, your batteries will stay cool during charge. For older batteries, you can use the Deep Battery Conditioning System to revitalize them. The large backlit LCD display allows you to take quick glance of the charging status. It includes 8 Powerex PRO AA 2700mAh NiMH rechargeable batteries. These batteries are built for performance and optimized for high drain devices by providing increased run time and improved low temperature performance down to -4°F (-20°C) and high temperature performance up to 122°F (50°C). They can be recharged up to 500 times. The batteries are capable of being stored for an extended period of time and will retain up to 75% of their capacity after one year in storage.