7.2ReplacingtheBattery

You can expect to receive 3 to 6 years of service life from the UPS's battery when installed in a cool, dry location. If you suspect the battery is weak, allow the UPS to charge the battery for at least 6 hours and perform the Test for proper operation described in section 3.7. If after repeating the test you find that the run time is still too short, follow the procedures below to replace the battery.

Note: Please read the cautions at the beginning of this section.

7.2.1Turn off the UPS and unplug it from service. Lay the UPS on its left side and remove the two battery door screws. Remove only the screws indicated on the battery door.

7.2.2Gently pull out the battery by grasping the white tab.

7.2.3Remove the two wires connecting the battery to the UPS. To loosen the wire connectors, gently wiggle the connectors side-to-side while pulling straight back from the mating battery connector.

7.2.4Connect the battery wires to the new battery. The red wire is positive (+), the black wire is negative (-).

7.2.5Position the new battery as shown below and place it into the UPS. Arrange the wires so that they will not interfere with the battery installation.

7.2.6Close the battery door and fasten the two battery door screws.

7.2.7Return the worn battery to the factory for recycling.

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American Power Conversion K250EI, BK600EI, BK400EI user manual 2ReplacingtheBattery

K250EI, BK400EI, BK600EI specifications

American Power Conversion (APC) is renowned for its innovative power management solutions, and its uninterruptible power supplies (UPS) are a testament to this commitment. Among their product lineup, the BK600EI, BK400EI, and K250EI models are popular choices designed to provide reliable power protection to various devices and systems.

The BK600EI is a 600VA UPS, ideal for protecting office equipment, personal computers, and networking devices. One of its standout features is the line-interactive technology, which provides voltage regulation during brownouts and surges. This model also supports an LCD display that offers real-time data on battery status, load capacity, and input voltage, enabling users to monitor their power environment easily. Additionally, the BK600EI has a compact design, making it suitable for space-limited areas.

Conversely, the BK400EI is a slightly lower-capacity model, rated at 400VA, making it an excellent option for smaller systems or devices with lower power requirements. Similar to the BK600EI, it employs line-interactive technology, ensuring continuous operation even during power fluctuations. This model is designed with automatic shutdown software that protects devices from data loss during power outages, a critical feature for businesses that rely on information stability and integrity.

The K250EI stands out with its 250VA capacity, catering to entry-level applications. This model is perfect for those needing basic power protection for devices such as routers, modems, or small desktop computers. The K250EI is designed with overload protection, ensuring that devices are safeguarded against electrical surges and overload conditions. The LED indicators provide a quick visual reference for the unit's operational status, reducing user effort in monitoring performance.

All three models share essential characteristics, such as a compact footprint, user-friendly interfaces, and advanced battery management technologies that improve longevity and efficiency. They also come equipped with multiple outlets to ensure users can connect various devices simultaneously. Furthermore, each model is engineered to minimize the environmental impact, boasting energy-efficient designs that contribute to reduced power consumption.

In conclusion, the APC BK600EI, BK400EI, and K250EI UPS models exemplify affordable and effective power management solutions. With their high-quality features, advanced technologies, and protective characteristics, they are well-suited for home offices, small businesses, or individual users seeking reliable power backup and protection.