Made a duct between GDSTIME 120 mm Fan and Victron MPPT 100 30 solar controller.
The fan is controlled by a 12 V temperature controller (I set it to start at 35C and stop at 25C in cooling mode).
GDSTIME 120 mm Fan 120 x 32 mm 12 V:
https://www.amazon.de/dp/B088R91ZB3/ref=pe_27091401_487027711_TE_SCE_dp_2?language=en_GB¤cy=EUR
12V Temperature controller:
https://a.aliexpress.com/_EJ9HnOZ
Similar design to my other fan duct made for Victron Orion Smart Tr B2B charger:
https://www.thingiverse.com/thing:6805592
Victron-MPPT-100-30-fan-duct.stl | 13.6KB |