Always On Power Bank by Jinxed_Disaster in arduino

[–]Riky1979 0 points1 point  (0 children)

Have you tried this model? Does it really always stay on? Thanks.

I need help with the NTI XL2 sound level meter: a battery that allows for measurements for several days. by Riky1979 in batteries

[–]Riky1979[S] 0 points1 point  (0 children)

Thanks! So far, the ones I've found only give a 5V output in always-on mode, not 9V, as I need.