APC E3SBTH4 UPS Battery String — High Capacity

The APC Easy UPS 3S High Capacity Battery String (E3SBTH4) delivers extended runtime and enhanced power protection for critical networking infrastructure and business equipment. This high-capacity battery string features four 9 Ah VRLA battery modules operating at 120V, designed specifically for compatibility with Easy UPS 3S systems that have internal battery slots and the Easy UPS 3S Empty Modular Battery Cabinet (E3SXR6). For businesses running UniFi network deployments or other mission-critical systems, this battery expansion ensures your equipment stays online during extended power outages, protecting against data loss and network downtime.

• High-capacity 9 VAh battery modules provide extended runtime for critical equipment during power failures
• Wide operating temperature range (0-40°C) ensures reliable performance in various environmental conditions
• VRLA battery technology offers maintenance-free operation with no water addition required
• Enclosed battery cartridge design simplifies installation and replacement while ensuring safe operation
• Operating altitude up to 3,281 feet with 0-95% non-condensing humidity tolerance for flexible deployment

This battery string represents a smart investment for businesses requiring uninterrupted power protection for their networking infrastructure, servers, or security systems. The modular design allows for straightforward capacity expansion as your power protection needs grow, while the maintenance-free VRLA technology reduces operational overhead. Whether you’re protecting a complete UniFi network stack, surveillance systems, or essential business servers, the E3SBTH4 provides the reliable backup power foundation that keeps your operations running smoothly through utility power disruptions.