Independent Battery Chargersmart battery charger offers 6 individual charging slot, allowing you to charge any combination of 1-4 pcs AA/AAA/C/D NIMH NI-CD rechargeable batteries, 1-2 pcs 9V NiMH NiCD rechargeable batteries. NOT necessarily to charge in pairs Smart LCD Display Battery ChargerEasy to read LCD display on this rechargeable battery charger,it shows the charging status of each battery and intelligently identify defective batteries and non-rechargeable batteriesCHG - Charging; DISC - Discharging; ERROR - install the battery incorrectly or the battery is broken one. LED indicators is for 9V NiMH NiCD rechargeable batteries. Fast Charging Battery ChargerInput: 100-240V, 2A; Output: AA/AAA/C/D 1000mA; 9V: 25mA. Charger for: 1.2V NiMH NiCD AA/ AAA/C/D/9V rechargeable battery. Multiple Protections1.2V AA/AAA/C/D9V NiMH battery charger could effectively prevent over current, over voltage, over charge, over heat, short circuits conditions. Rechargeable charger with discharge functi