Technical audit of the VL425 series identifies a standby switching topology with a rated 240W output ceiling. Performance data indicates a transition latency between 6ms and 10ms, a metric that may exceed the hold-up time of sensitive power supplies featuring Active Power Factor Correction (PFC). The unit utilizes a simulated sine wave inverter and lacks Automatic Voltage Regulation (AVR), meaning power correction is achieved solely through battery depletion during voltage sags or swells.
Material analysis identifies the internal power source as a 12V 4.5Ah lead-acid battery, providing an estimated runtime of 2-5 minutes at a 50% load (120W). Structural dimensions are optimized for minimal footprint, and the passive cooling design ensures silent operation during AC pass-through. The surge suppression system is rated between 300 and 450 Joules, utilizing sacrificial components for transient spike mitigation.
- Functional characteristics: Compact NEMA 5-15R outlet spacing, no internal cooling fan, analog status indicators.
- Limitations: Absence of USB communication port, non-replaceable battery in standard iterations.
Aggregated data suggests this unit is engineered for low-draw peripherals such as modems and routers. Because the device cannot communicate with a host PC to initiate an automated shutdown, it is classified as a "non-managed" backup unit.
For applications requiring a data link for graceful system shutdown and higher wattage overhead, the CyberPower ST425 provides a comparable footprint with higher outlet density.
This hardware belongs to the uninterruptible power supplies (UPS) technical category for entry-level protection.
