AgentPooky

Is it feasible to hover one of these in the box: https://www.takealot.com/techme-temperature-lcd-digital-thermometer-with-1m-probe-white/PLID72300978 And monitor: 1. fully charged temp 2. temp on battery power 3. temp during charging Then put in the lower CFM fan and do the same to check the difference? If it heats up higher, shut it down and put the old fan back? I'm running less that 250W off it (TV, amp, and light).

I don't love messing with powerful electricity. The fan isn't very loud as it is and never changes speed (sounds like a PC with cheap fans), but I wanted to see if I could drop in a good quality quiet fan to get it even softer. I just don't want to overheat anything.

Mine is a simple unit that doesn't offer any temperature monitoring solution that I can access. It's one of those portable ones and I have it by the TV. The fan runs at a constant speed 24/7, although I think in a hot condition it would increase. It's a pity I can't seem to find a quiet 80mm fan with the same CFM.

The current fan is a 2-pin fan, so I don't think there's any way to reduce the noise, because as I understand the 2-pin fan will just run at a fixed rpm?

I have a small inverter that has an 80mm fan that is always on. It's not that loud, but it's louder than I'd like. I was looking at replacing the fan with something quieter from Noctua, and I don't have space for a bigger fan, so I have to stick with 80mm. The current fan is around 50CFM, while the Noctua is rated at 32CFM. Is that 20CFM going to pose a massive risk to the safety of the inverter? Could I monitor the temps somehow to make sure it doesn't overheat?