This topic make me realize that, it doesn't matter what type. As long as it can extinguisher the fire and cheap is good enough. We
1) most probably don't use it at all. With a short expired time, money fly. So get a cheap powder will do.
2) Fire already cause your thing damage. It already in a messy. Having powder on it doesn't matter anyway. You still have to clean it up everything without the powder.
3) Most of this expensive small and high tech fire extinguisher have no gauge to check. If it defect and lost pressure, we don't no. When the time need it, press and nothing happen. Get a normal 1 with a gauge to check pressure is much more safe. It is call self check safety device.
4) cheaper cost can buy more to place in your home. Rather an expensive 1 set.
Safety product here are freaking expensive. 1 of the reason why people don't buy such thing for their home.
Ex. My wife get cons from saleman and brought a smoke alarm for Rm350. I brought a smoke alarm from oversea for just RM130. And much more function.