Emergency backup power is useful for more than remote or off-grid locations. Homes, offices and small shops may need a straightforward indoor system that keeps essential equipment operating during short utility interruptions. This application example focuses on priority loads rather than whole-building power.
Common priority loads include routers, lights, computers, security equipment, fans, point-of-sale systems and selected household appliances. Separating these loads from high-power equipment helps control system size and makes the expected backup time easier to calculate.
Typical backup arrangement
A battery bank stores energy for use during an outage. The inverter converts the battery DC voltage into the AC voltage required by the connected equipment. Depending on the selected product, grid charging, solar charging or an integrated inverter-charger function may be available.
Selection priorities
- Continuous output power for all priority loads running together
- Starting surge capacity for motors and compressors
- Battery voltage and capacity for the required backup duration
- Pure sine wave output where sensitive equipment requires it
- Charging or UPS functions appropriate for the intended operation
Installation considerations
The inverter and batteries should be installed in a suitable ventilated location with appropriate protection and access for maintenance. Cable sizing and overcurrent protection must match the system current. Final installation should follow local regulations and the instructions supplied with the selected equipment.
For retail and distribution customers, the same basic application can be offered in several capacity levels. The most useful starting point is a clear list of supported loads and a realistic runtime target.
Information to include with an inquiry
- Essential equipment that must remain powered
- Continuous load and largest starting load
- Desired backup duration
- Battery voltage, capacity and charging requirements
Contact Gerixi for help selecting an indoor backup power inverter and compatible charging solution.
