load shedding

Please assist, how do you read this, got me stumped.

Load shedding today. Charge your batteries!

So I've come to the point where my parents will need to get some sort of protection from power surges and power spikes, due to load shedding and power line instability. There are so many options on the market so I want to ask those who know better on which ones would be the best. We have just...