By conditioning the irregular voltage coming from the solar panel, a solar battery charge controller will ensure your batteries are safely charged. SolarTown carries both pulse width modulation and maximum power point tracking charge controllers by well-known manufacturers including Morningstar, Xantrex, Outback Power, and Blue Sky.
Pulse width modulation (PWM) charge controllers send short charging pulses to the battery to detect the state of the battery. This allows the system to determine how fast energy should be sent to the battery and how wide the pulses should be.
Maximum power point tracking (MPPT) charge controllers will convert a higher voltage DC solar panel output down to a lower voltage needed for charging batteries. Constantly monitoring both the solar panels and the battery, solar MPPT charger controllers help you optimize your energy collection.
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