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>Pwm Shunt Solar Charge Controllers
This basic charge controller charges the battery by connecting the solar panels to the battery then shorts the panel (no power loss when shorted) and reconnects the panel to battery with PWM control. The battery sees a PWM style charge current with PWM control, however, since the panel current shorted is very close to panel current into the battery, there are no sharp transistions of panel current, hence minimal electrical interference.
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