These controller were imported on the basis that they were MPPT controllers as indicated on the top of the unit. Phil has conducted testing on these Chinese controller and he is not confident that they are actually MPPT. We have therefore removed reference in our website to them as being MPPT and inform potential customers that they appear to be Pulse Width Modulation (PWM) controllers.
Our customers report they are working very well but as always we ensure that we are ethical and honest in our advice and sales.
The Installation page has more information about how products are installed.
The FAQ page has extensive, detailed information about solar power, solar power systems and its components.
The Assess Your Needs page will guide you on the steps to take to determine what size system you need and what products you needs.
The 12V or 24V, 3-stage battery charge function provides:
Load output can be optionally used. Switch control can be manual or automatic with overload protection.
Made in China
Warranty: 12 months
To buy go to our Prices & Purchase page.
Download the Waterproof Solar Charge Controller user guide
The About Us page lets you find out more about Solar 4 RVs.
The Contacts Us page provides email and phone details if you have further questions.
Undertake our Solar Power Estimate Calculator (SPEC) questionnaire to determine what your RV power needs are.
The Our Products page has an overview of our products.
These Waterproof controller/Regulators manufactured in China provide a value for money options for the budget conscious.buyer. They are available in two capacities:
Note: When sold individually, these do not come with cable connections described in the portable panel packs.
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