Mastervolt Isolated DC Master DC-DC Converter (24V In / 12V 3A Out)
SKU: 51141611225

Mastervolt Isolated DC Master DC-DC Converter (24V In / 12V 3A Out)

Sale price$93.21 Regular price$103.57
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Description

Mastervolt Isolated DC Master DC-DC Converter (24V In / 12V 3A Out)The Mastervolt DC Master is a DC DC charger which is designed to provide quick and safe charge to the service battery, providing stabilised voltage to protect the battery and the equipment it powers. This is an isolated model which has galvanic protection between the input and the output, as well as interference supression for sensitive equipment. Traditionally, a service battery is linked to the starter battery via a charge relay. The starter battery

The Mastervolt DC Master is a DC-DC charger which is designed to provide quick and safe charge to the service battery, providing stabilised voltage to protect the battery and the equipment it powers. This is an isolated model which has galvanic protection between the input and the output, as well as interference supression for sensitive equipment.

Traditionally, a service battery is linked to the starter battery via a charge relay. The starter battery will be located near to the alternator and receives most of the charge current. However the service battery is usually further away. The long cables used to connect it up cause a voltage drop, leading to slower charging, which can result in failing appliances and premature failure of the battery.

Modern, fuel efficient engines are equipped with smart alternators, following regulations such as Euro 5 and Euro 6. Instead of a constant output, smart alternators provide a variable voltage; after a brief charging period, voltage is reduced and the charging stops. Furthermore, the energy produced by regenerative braking leads to voltage peaks. Service batteries coupled in the traditional way will receive hardly any charge and may be damaged by these peak voltages.

To solve these issues, Mastervolt offers the DC Master chargers, which monitors the service battery and compensates the voltage loss. There is no fan so operation of the charger is silent and these units also have 2 minutes of extra capacity, perfect for if you need a quick power boost. The DC Master unit is supplied complete with mounting bracket, screws and fasteners.

General specifications

o Nominal output voltage : 13.6 V

Max. output power: 82 W

Nominal output power: 41 W

Max. output current (for 2 min. intervals): 6 A

Continuous output current: 3 A

Nominal input voltage: 24 V

Input voltage range (max.): 20-32 V DC (35 V)

Galvanic isolation: yes

Stabilised: yes

Dimensions, hxwxd: 89 x 87 x 50 mm (3.5 x 3.4 x 2.0 inch)

Weight: 0.29 kg (0.6 lb)

Compliance: CE, E-mark 

Technical specifications

DC consumption: < 15 mA

Connections: fast-on

Temperature range (ambient temp.): -25 °C to 80 °C, derating > 30 °C (-13 °F to 176 °F)

Cooling: natural cooling

Protection degree: IP53

Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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SKU: 51141611225

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4.1 ★★★★★
Based on 151 reviews
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Product Reviews
K
Verified Purchase
Kale
Omaha, US
★★★★★ 3
Inside has liquid and dog got to it in just 2 days
Size: Tripod
Dog chewed up in few days and got the liquid inside open. They did love chewing he toy but I worried about it coming apart in pieces. So for my dog value for money isn't there if gets apart so quickly
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 16, 2025
C
Verified Purchase
Cooper
San Leandro, US
★★★★★ 4
Not for super aggressive chewers
Size: Tripod
Had high hopes, but our super-chewer somehow manages to UNSCREW the ends of the toy. Had to throw it out so she wouldn’t choke
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 24, 2025
E
Verified Purchase
Eva
Boise, US
★★★★★ 5
Excelente
Size: Dumbbell
Mi perro lo ama
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Reviewed in the United States on April 10, 2026
C
Verified Purchase
Caitlin F.
Lexington, US
★★★★★ 5
Great Chew Toy
Size: Tripod
Has been great for our medium sized dog who loves to chew everything. We didn't realize it makes a sound too, which helps keep his attention. So far it has held up well.
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Reviewed in the United States on September 28, 2025
C
Verified Purchase
Connie A. Modzelewski
Houston, US
★★★★★ 2
Big and Squeaks and Tough BUT Dog Destroyed it in 3 days!!
Size: Tripod
The pitbull who is an agressive chewer LOVES this and it squeaks! Highly recommend this large sized chew toy. BUT in 3 days the dog destroyed it. It is now in 6 pieces. But it still squeaks. I guess I can't recommend this because it is NOT durable.
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Reviewed in the United States on December 14, 2025

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