Features Specifications:Business 3 in 1 Charger 1. Can charge 2pcs of AA chargeable battery (Nickel-Hydrogen/Nickel-Cadmium). 2. Can charge 4pcs of AA chargeable battery (Nickel-Hydrogen/Nickel-Cadmium). 3. Can charge 1pc of Li-ion battery of mobile phone. 4. Can quickly charge Li-on battery of mobile phone. 5. Can charge Li-ion battery of mobile phone and AA chargeable battery synchronously. 6. Can quickly charge Li-ion battery of mobile phone while charging Li-ion battery ad AA chargeable battery synchronously. 7. Can use chargeable or dischargeable AA battery to charge Li-ion battery of mobile phone.