Solar Chargemaster (SCM)

Mastervolt

Solar Chargemaster (SCM)

131824000

Pre-order

RM738.00

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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 12 V systems) and 72 cells panels (in 24 V 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.

98 x 189 x 53 mm; 3.9 x 7.4 x 2.1 inch

Safe, user friendly, and flexible

The SCM40 PWM is suitable for all types of lead-acid batteries in both 12 V and 24 V. The device features a large display and switchable output with evening / night lighting function.

Specifications battery charger

System voltage (battery): 12/24 V auto select
Nominal charge current: 20A or 40A
Battery types: AGM, Gel, flooded
Battery temperature sensor: optional, product code 41500500
Switchable output (max. current): 20A or 40A
Energy consumption (night): < 7 mA

Specifications solar input (DC)

Panel type (12 V system): 36 cells
Panel type (24 V system): 72 cells
Max. PV current (Impp): 40 A
Recommended PV power (12 V system): 360 and 720 Wp
Recommended PV power (24 V system): 720 and 1440 Wp

General specifications

Cooling: passive
Display/read-out: backlit LCD with PV power, load power, battery voltage, charge current, warnings, battery state of charge, battery setting
Grounding: common negative grounding
Protection degree: IP23
Dimensions, hxwxd: 98 x 189 x 53 mm; 3.9 x 7.4 x 2.1 inch
Weight: 0.5 kg; 1.1 lb

Technical specifications

Technology: PWM (Pulse Width Modulation)
Temperature range (ambient temp.): -20 °C to 50 °C, derating power > 40
Cable size: max. 16 mm²
Protections: over temperature, over load, high/low battery voltage, high/low PV voltage, short circuit, reverse polarity & HV transients
Relative humidity: 95 % non-condensing

User’s and installation manual

Important safety instructions

Free shipping on orders over RM300 (West Malaysia only)
Delivery time: West Malaysia 2–5 business days · East Malaysia 3–10 business days · Singapore 5–14 business days
Processing time: Orders are processed Mon–Fri (excl. public holidays); allow 1–2 business days before dispatch
We ship to: All states in Malaysia and Singapore (international shipping not yet available)
Store pickup available at our Klang showroom — you'll be notified by email/SMS when your order is ready
Pre-order items typically take 4–6 weeks depending on supplier and customs timelines
Tracking: A tracking number is sent via email/SMS once your order ships

For full details, please refer to our Shipping Policy.

Report within 48 hours of receiving your order if the item is damaged, defective, or incorrect
Eligible returns: Item must be unused, in original packaging, with photo/video evidence provided
Not eligible: Pre-order items, misuse/negligence damage, and clearance/sale items (unless defective)
Refunds: Issued as store credit by default (or original payment method); processed in 7–14 business days after inspection
Exchanges: Available for defective or incorrect items, subject to stock availability
Return shipping is the customer's responsibility — use a trackable courier
To start a return, contact us with your order number and photos: info@boatyardmalaysia.com / +60 19-201 8832

For full details, please refer to our Return & Refund Policy.

Disclaimer: The image colors, dimensions, and visual details may vary slightly due to screen settings or manufacturer updates.