This rapid charger is for AA and AAA Ni-MH rechargeable batteries. This has the economic “standby power consumption ZERO” mode, which cuts off the standby energy after finishing the charge while being plugged in. The Smart Charge Function realizes the efficient charging in shortening the charging time and protecting the overcharging, which is made by the automatic diagnosis system of the battery voltage and the temperature. In daily life, you can put the power-saving conscious into practice effortlessly by the small activities using this smart charger. The design will coordinate with your interior and will not be boring to use for a long time.