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ewarnerusa's avatar
ewarnerusa
Nomad
Feb 05, 2023

Feedback on 12V water heater element as solar diversion load

My solar charge controller has a diversion load feature where excess current can be diverted to a load once batteries are full. The manual discusses using a water heater element and this sounds like ...
ewarnerusa's avatar
ewarnerusa
Nomad
Feb 06, 2023
enblethen wrote:
Your second link smallest element is 300 watts. That is 25 amps roughly at 12 volts. Your 280 watts of solar will not be sufficient and will pull power from the batteries.


That's not the way the diversion load profile works. The current passed to the load is just from the solar side that can't be passed to the batteries because once their SOC doesn't accept it.

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