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Mastervolt Solar ChargeMaster - SCM20 PWM [131822000]

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SKU OGL-88345
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Original price $122.99
Original price $122.99 - Original price $122.99
Original price $122.99
Current price $69.99
$69.99 - $69.99
Current price $69.99
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At OffGrid Living, we are proud to have the best refund and return policies in the industry. If you’re not satisfied with your purchase for any reason, you may return it to us within 30 days for a refund.

If you have a problem with our order (there are missing components, damages, or the product is not functioning), please reach out to us as quickly as possible. Some of the problems can be resolved by going through the product manual or the product FAQs.

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Once we receive your order, we will send you a confirmation email. Then we will process the order by confirming that the product is in stock and ready for shipment. If any of the items in your order are back-ordered, we will reach to you via email or phone and you may choose to either wait or receive a 100% refund.

Please allow 1-3 days for processing your order.

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We ship to the lower 48 continental United States only at this time.

Shipping times and shipping method will depend on the specific product and brand you purchase. If you have any shipping question, feel free to ask on the chat or email us at info@offgridlivingsolutions.com.

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Delivery time

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Mastervolt Solar ChargeMaster - SCM20 PWM [131822000]

This solar charge regulator based on PWM technology is a great solution to charge your batteries with solar energy. Suitable for both 36 cells panels (in 12V systems) and 72 cells panels (in 24V systems). Its protection against water spray, suitability for high ambient temperature and compatibility with negative grounding, make it the perfect solar regulator for marine and mobile environments. Optionally, a temperature sensor is available. 

Safe, User Friendly & Flexible

The SCM20 PWM is suitable for all types of lead-acid batteries in both 12V and 24V. The device features a large display and switchable output with evening / night lighting function.

Product Specifications

Mastervolt Solar ChargeMaster - SCM20 PWM [131822000] Product Specifications

Category Specification
System Voltage (Battery) 12 / 24 V auto-select
Nominal Charge Current 20 A
Battery Types AGM, Gel, Flooded
Battery Temperature Sensor Optional (Product Code: 41500500)
Switchable Output (Max Current) 20 A
Night Energy Consumption < 7 mA
Panel Type (12 V System) 36 cells
Panel Type (24 V System) 72 cells
Max PV Current (Impp) 20 A
Recommended PV Power (12 V) 360 Wp
Recommended PV Power (24 V) 720 Wp
Cooling Passive
Display / Read-Out Backlit LCD (PV power, load power, battery voltage, charge current, warnings, SOC, battery settings)
Grounding Common negative
Ingress Protection IP23
Dimensions (H×W×D) 98 × 189 × 53 mm (3.9 × 7.4 × 2.1 in)
Weight 0.5 kg (1.1 lb)
Technology PWM (Pulse Width Modulation)
Operating Temperature –20 °C to +50 °C (derating above 40 °C)
Max Cable Size 16 mm²
Protections Over-temp, overload, high/low battery voltage, high/low PV voltage, short circuit, reverse polarity, HV transients
Relative Humidity 95% non-condensing

Product Manual

Owner's Manual

Product Warranty 

Mastervolt Product Warranty

Product FAQs

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