Mastervolt Mass Combi Ultra 24V/3500W – 100A – 230V
$4,209.50
Product information
Review the application notes, identifiers, specifications, and shipping considerations before ordering marine equipment.
Use the category, brand, and product identifiers to confirm system fit before checkout.
Search or compare by SKU, MPN, UPC, brand, and model notes when available.
Free shipping on U.S. orders. Handling is 1-3 business days and transit is 9-18 business days, Monday-Saturday.
Product overview
The Mastervolt Mass Combi Ultra 24V/3500W - 100A - 230V is a Mastervolt marine product configured for Automotive/RV / Charger/Inverter Combos.
Key identifiers: MPN 38023500, UPC 00816882020421, source SKU 73819.
What to know
- Output Voltage: 240 Volt AC
- Input Voltage: 24 Volt DC
- Continuous Output Power (W): 3500 Watt
- Peak Output Power (W): 5250 Watt
- Ampere Rating: 60 Amp
- Efficiency: 92 Percent
- Number Of AC Outlets: 2
- Length (IN): 18-1/2 Inch
What is included
- Battery voltage sense: through MasterShunt, otherwise automatic compensation
Technical specifications
| Brand | Mastervolt |
|---|---|
| Model / MPN | 38023500 |
| UPC | 00816882020421 |
| SKU | MMS-164 |
| Ampere Rating | 60 Amp |
| Continuous Output Power (W) | 3500 Watt |
| Efficiency | 92 Percent |
| Height (IN) | 7 Inch |
| Input Voltage | 24 Volt DC |
| Length (IN) | 18-1/2 Inch |
| Number Of AC Outlets | 2 |
| Output Voltage | 240 Volt AC |
| Peak Output Power (W) | 5250 Watt |
| Remote On/Off Capable | No |
| Width (IN) | 12-1/2 Inch |
| With Battery Cables | No |
| With Built-In Charger | Yes |
| With Fuse | Yes |
| With Reverse Battery Protection | No |
| With Short Circuit | Yes |
| With Thermal Protection | No |
| With USB Port | No |
| With Volt/Watt Meter | No |
Product questions
How do I confirm this is the correct part?
Compare the product title, brand, SKU MMS-164, MPN 38023500, UPC when available, and the technical specifications before checkout.
Can Marine Motor Supply help with product matching?
Yes. Email the brand, SKU, MPN, UPC, model information, photos, and quantity needed so support can review the request.
When will this product be delivered?
All United States orders receive free shipping. Estimated delivery is 10-21 business days: 1-3 business days of handling and 9-18 business days of transit, Monday-Saturday, via Logistica Cargo NAM.
What should I check before installation?
Confirm voltage, connector style, dimensions, included accessories, warranty notes, and manufacturer documentation before installing marine equipment.
Free shipping with a 10-21 business-day delivery estimate.
Orders placed before 2:00 PM Pacific Time are handled in 1-3 business days, then transit in 9-18 business days, Monday-Saturday, through Logistica Cargo NAM.
Carrier delivery
All United States orders receive free shipping through Logistica Cargo NAM, including freight arrangements when required.
Estimated timing
Allow 10-21 business days from order placement: 1-3 days handling and 9-18 days transit, Monday-Saturday.
Commercial or residential
Some deliveries may require address confirmation, unloading access, or liftgate coordination when applicable.
Inspect before signing
Keep packaging and inspect shipments promptly so support can review carrier damage concerns.
Marine Motor Supply support is based in Hollywood, Florida. Review the Shipping Policy for carrier, address, freight, and delivery-estimate details before ordering.
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