The BP240V135 external battery pack extends the runtime of compatible Tripp Lite SmartOnline UPS systems recommending its use, including SVT10KX, SVT20KX and SVT30KX. It comes with heavy-gauge cabling and a high-current DC connector for safe, simple hardwired installation, as well as internal disconnect for battery isolation. A built-in circuit breaker protects your equipment from dangerous overcurrent or overloads. For even more battery runtime, you can daisy-chain multiple BP240V135 battery packs to the compatible UPS system. Tested to IEC 62040-1: 2008/A1: 2013 standards.