?Tips: How to keep your router and ONT working during loadshedding
The typical method especially when you are a business is to use an inverter. This is because these devices can handle business load as described in Now for bulletproof broadband. As an example, a minimum of 300W is required to maintain connectivity using a microwave.
These inverters are too large a cost for home use and the better alternative is to obtain a mini UPS.
Ronald works connecting Internet inhabiting things at Fusion Broadband.