Mastervolt ChargeMaster Plus 24/20-3 Battery Charger
SKU: 88333179738

Mastervolt ChargeMaster Plus 24/20-3 Battery Charger

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Description

Mastervolt ChargeMaster Plus 24/20-3 Battery ChargerChargeMaster Plus 24 20 3 Battery Charger Make the most of your batteries with the ChargeMaster series, plugging in and charging anywhere in the world. Mastervolts ChargeMaster guarantees fast and complete charging of your batteries no matter where you are. Thanks to Mastervolts innovative 3 step+ charging process, batteries also perform better and last longer. All ChargeMasters can be easily connected to a MasterBus network with only one cable and

ChargeMaster Plus 24/20-3 Battery Charger

Make the most of your batteries with the ChargeMaster series, plugging in and charging anywhere in the world. Mastervolt’s ChargeMaster guarantees fast and complete charging of your batteries no matter where you are. Thanks to Mastervolt’s innovative 3-step+ charging process, batteries also perform better and last longer.

All ChargeMasters can be easily connected to a MasterBus network with only one cable and one connection (with the exception of the ChargeMaster 12/10, ChargeMaster 12/15-2, and ChargeMaster 24/6). What’s more, you have the option for central, local, or remote monitoring, configuration, and control of your system.

Clear Display

A clearly lit display on the ChargeMaster provides all essential information: charge current, charge voltage, charge phase, and battery content measurement and/or battery condition measurement as a percentage of available Ah capacity. The display also provides an indication of MasterBus communication. Three buttons adjacent to the read-out panel allow for easy operating of the entire system. 

The ChargeMaster is available in various models to guarantee you the ideal battery charger for any situation and demand.

Features:

  • For recreational and semi-professional use.
  • Suitable for any type of battery, including Lithium-Ion batteries.
  • 3-Step+ charging technology for fast and complete charging also charges depleted batteries.
  • Memory function prevents overcharging in case of unreliable mains.
  • Safe and complete charging due to standard safety features.
  • Charging capacity up to 1000 Ah battery banks.
  • Easy to connect and quick to install.
  • Can charge multiple battery banks simultaneously.
  • Built-in system functionality (MasterBus) in combination with other Mastervolt products.
  • Clear control panel (with the exception of the ChargeMaster 12/10, ChargeMaster 12/15-2, and ChargeMaster 24/6).
  • Supplies your system without a battery.

Charging your batteries with every voltage

The Mastervolt ChargeMaster supplies a maximum capacity wherever you are via auto-ranging. Auto-ranging ensures perfect fully automatic operation anywhere in the world, regardless of the available mains voltage (90-265 V AC, 50 or 60 Hz). The 3-step+ charging technology guarantees fast and complete charging, while the cos phi 1-regulation gets the most out of limited generator capacity.

Robust Connections 

Solid metal-to-metal connectors equipped with strain relief prevent corrosion and overheating.

Charging multiple battery banks

The ChargeMaster series has three equal charge outputs. Those of the smaller ChargeMaster models are pre-installed with two meters of cable for a plug & play solution, while the heavier models have one full output (for example for your service battery) and two outputs of 10 A, ideal for your starter batteries.

DC Power Supply

Even if the batteries are not connected, Mastervolt ChargeMaster battery chargers can provide a constant DC output allowing you to turn on lights or keep the fridge cold.

Specifications:

  • Nominal output voltage: 24 V
  • Total charge current: 20 A at 28.8 V
  • Number of battery outlets: 3
  • Charge current second output: 20 A
  • Charge current third output: 20 A
  • Battery bank size: 40-200 Ah
  • Nominal input voltage: 120/230 V (90-265 V), 50/60 Hz
  • AC connection: Connector strips
  • Power supply mode: Yes
  • Galvanic isolation: Yes
  • Display/read-out: LED display

Specifications:

  • Charger Input - Voltage: 120/230v
  • Charger Output - Amps: 20a
  • Charger Output Voltage: 24v
  • Charging Banks: 3
  • Portable: No
  • Box Dimensions: 6"H x 12"W x 16"L WT: 9 lbs
  • UPC: 816882022890

Owner's Manual (pdf)
Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 88333179738

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★★★★★ 1
No casebook connect
Format: Hardcover, Format: Hardcover
I ordered a new print version of the textbook to specifically receive the casebook connect code. The book also came wrapped, but when I undid the wrapping and opened the textbook, there was no code. It looks like somebody peeled the code information away as the cover has some yellowing, which I imagine is due to glue residue. I’m incredibly disappointed and now I need to purchase the code in addition to the $220 I spent on this textbook.
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Amazon Customer
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★★★★★ 2
Readable
Format: Hardcover, Format: Hardcover
Not at all what I would consider “Very Good” condition, as the book was described. Pretty disappointed to be honest, considering I paid over $100 for this. It’s beaten up, torn, and dirty, but it’s readable.
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Reviewed in the United States on September 18, 2021
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Taylor
Omaha, US
★★★★★ 1
Not as listed!
Format: Hardcover
I paid nearly 300 dollars for this book and it was not as listed. I bought this because it was listed as new, but the book arrived with a broken binding, highlighting and writing throughout the pages, and the course ecode was already used. Unfortunately, I cannot use it for my studies.
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Reviewed in the United States on January 13, 2022
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HA
Waukegan, US
★★★★★ 5
Coverage lined up nearly perfectly with my fed courts class
Format: Paperback
Almost every case we covered in class and definitely every concept is covered, and explained helpfully, in this E&E. The problems are helpful, too.
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Reviewed in the United States on April 15, 2021
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Michaela Coder
Dallas, US
★★★★★ 5
Great Federal Courts supplement
Format: Paperback
This E&E book really helped with Fed. Courts! Incorporate the public v. private law models/SOP and federalist v. nationalist paradigms which my professor used in the course. This version doesn't have some of the newer cases (TransUnion v. Ramirez). The standing section could have more info but standing is one of the easiest doctrines in fed courts. The Habeas Corpus, particularly the Teague Doctrine and AEDPA, section is excellent. The only big thing this book does not include are universal injunctions and the scope of remedies (outside of standing, anti-injunction act, and section 1983).
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Reviewed in the United States on June 5, 2025

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