Click to enlargeMastervolt DC Master 24V to 12V Converter - 12A w/Isolator
Manufacturer: MastervoltPart #: 81500300SKU: 57565
- 12A
- 24V
Item #: 57565
Category: DC to DC Converters
● In stock — ships fast from US warehouses
- Ships from US warehouses
- Free shipping on orders over $99
- Secure checkout — your info is protected
- Genuine marine-brand parts, not knockoffs
- 30-day returns
- Marine parts support — we know boats
Description
DC Master 24V to 12V Converter - 12A w/Isolator Power you can rely on The required voltage for DC current can vary. Some equipment requires 24 V, while onboard equipment usually requires 12 V.
For custom DC current, Mastervolt offers a series of compact and made to measure DC-DC converters for both 12 V and 24 V battery systems that offer stable power with the right current for any connected consumer. There is a wide range of DC Master converters available, including insulated and non-insulated models.
Benefits Recreational and semi-professional use. Easy to install using included mounting bracket, screws and fasteners.
Smart electronics mean no unnecessary heat generation. Continuous output.
Insulated and non-insulated models available. Two minutes of extra power for short power boosts.
Excellent price/performance ratio. Intelligent DC-DC converters A large benefit of the DC Master models is their two minutes of extra capacity; ideal if you need a short power boost.
Complete package DC Master All DC Master converters are delivered with mounting bracket, screws and fasteners.
California Prop 65 Warning: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.
Specifications
| Brand | Mastervolt |
|---|---|
| Part Number | 81500300 |
| EverTide SKU | 57565 |
| UPC | 852968002554 |
| Voltage | 24 V |
Specifications are provided by the manufacturer. Confirm fitment for your application before ordering, or contact us and we'll help.
Compare similar products
![]() | ![]() | ![]() | ![]() | |
|---|---|---|---|---|
| Power | — | 245 W | — | — |
| Voltage | 24 V | 24 V | 12 V | 12 V |
| Material | — | — | Aluminum | Aluminum |
Complete your setup
Returns & warranty
Returns are accepted within 30 dayson items that are unused and in their original packaging. Some items may be subject to a manufacturer restocking fee. Special-order items may not be eligible — if you're unsure, ask us before ordering.
Mastervolt productscarry the manufacturer's standard warranty. For a warranty claim or a return authorization, see our full returns policy or contact us.
Electrical — frequently asked
- What’s the difference between marine wire and regular wire?
- Marine wire uses tinned (tin-coated) copper strands that resist the corrosion salt air causes, and it’s more finely stranded so it flexes with vibration without breaking. Standard automotive or household wire corrodes and fails much faster in a marine environment.
- How do I size a fuse for a marine circuit?
- Size the fuse to protect the wire, not just the device. Match the fuse rating to the wire gauge’s safe current capacity so the fuse blows before the wire overheats. When adding a new circuit, follow the wire manufacturer’s ampacity chart for the gauge and run length you’re using.
- Do I need a battery switch on my boat?
- A marine battery switch is strongly recommended. It lets you disconnect the battery for storage or service, isolate a failed battery, and — on multi-battery setups — choose which bank powers the boat. It’s a core safety and reliability component.
Customer reviews
No reviews yet — this product.
Fast shipping
Ships from US warehouses — free over $99
The right part
Marine-grade parts matched to your boat
Real support
Questions? We know boats — call or email




