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PWM Charger Controllers

Home Solar Products Solar Charge Controllers PWM Charger Controllers

Charging a battery with a PWM Charge controllers solar system is a unique and difficult challenge. The history for on-off regulators has been early battery failures. Increasing load disconnects, and growing user dissatisfaction. PWM controllers has recently surfaced as the first significant advance in solar battery charging.

PWM Charge controllers use technology similar to other modern high-quality battery chargers. When a battery voltage reaches the regulation setpoint. The PWM controllers programming slowly reduces the charging current. This is to avoid heating and gassing of the battery. Charging continues to return the maximum amount of energy to the battery in the shortest time. The result is a higher charging efficiency, rapid recharging, and a healthy battery at full capacity

In addition, this new method of solar battery charging promises some very interesting and unique benefits from the PWM pulsing. These include:

  • Ability to recover lost battery capacity and desulfate a battery.
  • Dramatically increase the charge acceptance of the battery.
  • Maintain high average battery capacities (90% to 95%) compared to on-off regulated state-of- charge levels that are typically 55% to 60%.
  • Equalize drifting battery
  • Reduce battery heating and
  • Automatically adjust for battery
  • Self-regulate for voltage drops and temperature effects in solar

How does the PWM Charge controllers benefits the solar system user?

Longer battery life:

Reducing the costs of the solar system
Reducing battery disposal problems

More battery reserve capacity:

Increasing the reliability of the solar system.
Reducing load disconnects.
Opportunity to reduce battery size to lower the system cost.

Greater use of the solar array energy:

Get 20% to 30% more energy from your solar panels for charging.
Stop wasting the solar energy when the battery is only 50% charged.
Opportunity to reduce the size of the solar array to save costs.

Greater user satisfaction:

Get more power when you need it for less money!!..

Buyer be aware! Many solar charge controllers that simply switch FETs. It is differently than the on-off algorithm claim to be a PWM charger. Only a few controllers are actually using a Pulse Width Modulated (PWM) constant voltage charging algorithm. The rest are switching FETs with various algorithms that are cheaper and less effective.

Our Products

  • 50 amp Charge Controllers 12/24 volt

    R1,092.50 inc. VAT
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  • PWM 10A solar charge controller

    Ecco Solar Charge Controller – 12V – 10

    R316.25 inc. VAT
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  • 30AMP

    Ecco Solar Charge Controller – 12V – 20A

    R471.50 inc. VAT
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  • Ecco Solar Charge Controller 30A 12 - 24 Volt

    Ecco Solar Charge Controller 30A 12/24 Volt

    R644.00 inc. VAT
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  • Ecco Solar Charge Controller 30A 12/24 Volt

    Ecco Solar Charge Controller 48V/60A

    R1,322.50 inc. VAT
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  • Ecco Solar Charge Controller 50Amp – 12V/24V

    R644.00 inc. VAT
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  • PWM Charge Controllers 12/24 volt 30 amp

    R471.50 inc. VAT
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  • PWM Charge Controllers 12/24 volt 40 amp

    R747.50 inc. VAT
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  • Sale! PWM CHARGE CONTROLLER 20AMP

    PWM Hybrid Solar Power Charge Controller 20A

    R697.65 R594.30 inc. VAT
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Reg No.: 2014/0432541 /07
Tel: +27 11 827 8704 or +27 66 106 3621 or 084 513 2383
Email: info@bhgpower.co.za
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