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Too much voltage for dc USB boosting converter ? Answered

I have a 6v rated solar panel but am also using 3 rechargeable aa batteries, 3.6 volts. My USB boosting converter is rated for 3v-5v input and obviously outputs 5v. Would the 6v solar panel damage the boosting converter if it were to output 6v?

thanks!

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steveastrouk

5 years ago

It might not damage IT, but it may well pass through 6V to damage the load.

That said, your panel's "6V" rating is likely to be open-circuit condition, and not into a load. Measure the panel output at full sun, into your converter, but put a 4.7 Ohm load resistor on instead of anything breakable, and come back to us.