Sony Introduces Long-Life Li-ion Storage Battery for Business Use

In September 2011, Sony Corp., a major electronics manufacturer, began sales of the ESSP-2000, a business-use lithium-ion battery. During blackouts, the battery will operate as a backup power supply for personal computers, servers, network devices, thermoelectric cooler-warmers and other devices. It can also be used for peak shift, as it enables electricity stored during the nighttime to be used in the daytime.

The ESSP-2000 uses an olivine-type lithium-ion phosphate storage battery unit. Thus, connecting the ESSP-2000 to a 100 V outlet enables the battery to store a maximum of 2.4 kWh of electricity. Its fast-charging capability allows the battery to reach a 95% charge in two hours. When charged and discharged daily, the ESSP-2000 has an expected life of at least 10 years.

The battery system operates in three modes. First, in the uninterrupted power supply (UPS) mode, the storage battery is charged while electricity is supplied to its connected devices such as personal computers, servers and other devices and when the power is interrupted, devices can continue to be used without fluctuations. Second, in the timed charge and discharge mode, times can be set for charging and discharging using the timer, which enables charging at night time and discharging in the day to reduce power consumption during peak hours. Third, in backup mode, the battery can be charged while power is supplied from the grid, and during a power outage, the supply source is switched in less than 0.5 seconds.

Posted: 2011/11/26 06:00:15 AM