Once your battery is fully charged, very little current is needed to keep it topped up. Most of the available power from your solar panels is wasted as the charge controller is mostly switched off. Enter the 12 volt grid tie inverter which can export all that solar power to your mains electricity grid, saving you money. But how do you keep your battery topped up and send surplus power to the grid at the same time? The PWM5 Solar Charge Controler from www.256.co.uk is the only charge controller with 12 volt grid tie inverter compatibility built-in. Make your solar panels really work for you.
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