Efficiency Pct
97 %
Conditions: {"basis":"peak","full_load_nominal_gt_pct":95}
- Mac Plus 12/12-50 · Specifications / General specifications
Verified current equipment
Mastervolt Mac Plus 12/12-50
Current Mastervolt 12 V to 12 V 50 A Mac Plus DC-DC charger with engine-run detection, adjustable current, lithium/lead-acid profiles and MasterBus/CZone/NMEA 2000 integration.
Best for: Alternator and DC-source charging of 12 V RV, marine and mobile service batteries.
Key facts
- Maximum output
- 50 A
- Input Voltage Max V
- 16 V
- Input Voltage Min V
- 10 V
- Output Voltage Max V
- 15 V
- Output Voltage Min V
- 10 V
Specifications alone do not confirm that a product fits your RV. Match the RV model and year to documented fitment evidence, then check system voltage, battery chemistry, wiring, protection and input/output limits before buying.
NO ELIGIBLE BUYING OPTION · UNITED STATES
Buying options are not yet verified for this market.
Heeler RV will not substitute a different product just because it has an affiliate link. Use the manufacturer reference, review documented replacements, or browse current equipment. Manufacturer references are not affiliate links.
BROWSE RV EQUIPMENT →Specifications and source evidence
Start with the key facts above. Open the complete evidence only when you need the detailed values and citations.
View all 21 verified specifications and sources
Engine Run Detection
Yes
- Mac Plus 12/12-50 · Features / Technical specifications
Input Current Adjustable
Yes
- Mac Plus 12/12-50 · Features / Technical specifications
Input Voltage Max V
16 V
- Mac Plus 12/12-50 · Specifications / General specifications
Input Voltage Min V
10 V
- Mac Plus 12/12-50 · Specifications / General specifications
Ip Rating
IP23
- Mac Plus 12/12-50 · Technical specifications
Maximum output
50 A
- Mac Plus 12/12-50 · Specifications / General specifications
Operating Temp Max C
60 C
Conditions: {"derates_above_c":40}
- Mac Plus 12/12-50 · Technical specifications
Operating Temp Min C
-25 C
- Mac Plus 12/12-50 · Technical specifications
Output Voltage Max V
15 V
- Mac Plus 12/12-50 · Specifications / General specifications
Output Voltage Min V
10 V
- Mac Plus 12/12-50 · Specifications / General specifications
Overtemperature Protection
Yes
- Mac Plus 12/12-50 · Technical specifications
Rated Power W
675 W
Conditions: {"max_output_power_w":725}
- Mac Plus 12/12-50 · Specifications / General specifications
Reverse Polarity Protection
Yes
Conditions: {"method":"fuse"}
- Mac Plus 12/12-50 · Technical specifications
Short Circuit Protection
Yes
- Mac Plus 12/12-50 · Technical specifications
Supports Agm
Yes
- Mac Plus 12/12-50 · Features / Technical specifications
Supports Custom Profile
Yes
- Mac Plus 12/12-50 · Features / Technical specifications
Supports Flooded
Yes
- Mac Plus 12/12-50 · Features / Technical specifications
Supports Gel
Yes
- Mac Plus 12/12-50 · Features / Technical specifications
Supports Lifepo4
Yes
- Mac Plus 12/12-50 · Features / Technical specifications
Supports Smart Alternator
Yes
- Mac Plus 12/12-50 · Features / Technical specifications
Why you can trust this record
Only verified claims with claim-level provenance are returned. Conditions, units and source locators must be preserved when citing a fact.
Heeler RV keeps commerce downstream of technical selection. Affiliate status never changes specifications, lifecycle, replacement evidence, fitment evidence or comparison ranking.