Independent Battery Chargersmart battery charger offers 8 individual charging slot, allowing you to charge any combination of 1-8 pieces AA/AAA NIMH NI-CD rechargeable batteries or 1-4 pieces C/D Ni-MH rechargeable batteries, NOT necessarily to charge in pairs. Large Smart LCD DisplayEasy to read LCD display on this rechargeable battery charger shows the charging status of each battery and intelligently identify defective batteries and non-rechargeable batteriesCHG - Charging; ERROR - install the battery incorrectly or the battery is broken one. Battery Charger FeatureInput: 5V, 2A; Output: C/D 1.2V=1800mA; AA/AAA 1.2V=900mA; Charger for: 1.2V NiMH NiCD AA/ AAA/C/D rechargeable battery. D Size Rechargeable Batterieslong-lasting 8000mAh D rechargeable 1.2V NiMH batteries can be recharged up to 1,200 cycles, and have longer battery life than disposable alkaline batteries, economic and saving your money. Multiple Protections1.2V AA/AAA/C/D NiMH battery charger could effectively prevent ov