Mastervolt ChargeMaster 12 Amp Battery Charger - 3 Bank, 24V - 816882020100

Mastervolt

$496.39
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SKU: CW66378
UPC: 816882020100
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ChargeMaster Battery Charger - 12 Amp - 3 Bank - 24V

Power You Can Rely On

Make the most of your batteries with the ChargeMaster, plugging in and charging anywhere in the world. Mastervolt’s ChargeMaster guarantees fast and complete charging of your batteries no matter where you are. The ChargeMaster can charge multiple battery banks simultaneously thanks to its combined functionality. Moreover, all ChargeMasters can be easily connected to a MasterBus network with only one cable and one connection (not available on ChargeMaster 24/6). You also have the option of central, local or remote monitoring, configuration and control of your system. The ChargeMaster is available in various models to guarantee you the ideal battery charger for any situation and demand.

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. 

Sturdy Connections 

Metal-on-metal fitting gives a firm connection, and prevents corrosion or overheating of contact surfaces.

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.

Features:

  • 3-Step+ charging technology for fast and complete charging.
  • Safe and complete charging due to standard safety features.
  • Memory function prevents overcharging in case of an unstable power supply.
  • Clear control panel.
  • Easy to install.
  • Built-in system functionality (MasterBus) in combination with other Mastervolt products (not available on ChargeMaster 24/6).

General Specifications

  • Nominal output voltage: 24 V 
  • Total charge current:12 A 
  • Number of battery outlets: 3 
  • Charge current second output: 12 A 
  • Charge current third output:12 A 
  • Battery capacity range: 24-120 Ah 
  • Nominal input voltage: 120/230 V (90-265 V), 50/60 Hz
  • AC connection: 2M AC cable
  • Power supply mode: yes
  • Display/read-out: LED display
  • Fastening: 4x screw
  • Dimensions, H x W x D: 234 x 132 x 60 mm / 9.2 x 5.2 x 2.4 inch
  • Weight: 1.8 kg / 4.0 lb
  • Approvals:CE, ABYC A-31, SAE J1171/ISO8846 ignition protected

Technical Specifications

  • Charge characteristic: IUoUo, automatic / 3-step+ for gel/AGM/wet/Lithium Ion
  • Charge voltage Bulk: 28.8 V
  • Charge voltage Absorption: 28.5 V
  • Absorption time: 4 hours
  • Charge voltage Float (wet batteries): 26.5 V
  • Charge voltage Float (gel/AGM batteries): 27.6 V
  • Temperature compensation: -60 mV/ °C -33 mV/ °F
  • Voltage compensation: automatic
  • Power consumption (DC side): < 2 mA
  • Full load consumption (230 V AC): 435 W
  • Current Control function: no
  • Power factor control: ≥ 0.98
  • Temperature range (ambient temp.): -25 °C to 60 °C, derating > 25 °C -13 °F to 140 °F
  • Sound level: < 52 dBA at 1M
  • Protection degree: IP23
  • Protections: over temperature, over load, short circuit, high/low battery voltage
  • Cooling: vario fan
  • MasterBus compatible: yes

WarningWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.


Manufacturer : Mastervolt
Manufacturer Part No : 44020120
UPC : 816882020100
Our Story

Impulse Shoppe was born from a simple idea

Impulse Shoppe was born from a simple idea—to make quality lifestyle essentials accessible to everyone. We started as a small distribution network and quickly grew into a trusted Online Store. Our commitment to quality, affordability, and customer trust has helped us build a thriving community of shoppers who rely on us for their everyday needs. We believe in selling value, not just products—and every item we offer is backed by our dedication to reliability, transparency, and excellent service.

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Frequently Asked Questions

You can return any item within 30 days of delivery, provided it’s in its original packaging with all accessories intact.

Once we receive and approve your return, your refund will be processed within 10 business days to your original payment method.

Yes, you can cancel your order before it ships. If it has already shipped, you’ll need to follow our return process.

If your order is delayed, we will notify you via email. If it hasn’t arrived as expected, contact us at customersupport@theimpulseshoppe.com or call 800-725-5640.

If you receive a damaged item, report it to the delivery company and notify us within 7 days with photos and details, and we’ll assist in resolving the issue.

If at least two days have passed since the expected delivery date, reach out to us. We’ll investigate with the courier, and if your package is declared lost, you’ll receive a full refund or a replacement.

Customer Reviews – The Impulse Shoppe

Lenny Clarke
US • 1 review
5 Stars
The office furniture is great! It came mostly pre-assembled, which was a big bonus. It's well-made and was delivered on time as promised.
Date of experience: July 30, 2024
Paul Jenkins
US • 1 review
5 Stars
Excellent quality office chair and fast delivery. I highly recommend this company and will definitely purchase from them again.
Date of experience: July 29, 2024
Fabian Stone
US • 1 review
5 Stars
The service was excellent, right from my first email inquiry to the delivery of my purchase. There was great communication every step of the way.
Date of experience: July 26, 2024
Duncan Yoder
US • 1 review
5 Stars
The Website is fantastic. Ordering is simple, delivery is very fast, and the products are top-notch.
Date of experience: July 19, 2024
Trey Fernandez
US • 1 review
5 Stars
Great service with quick and easy deliveries. The quality of the kit is unmatched, and it's half the price of competing brands.
Date of experience: July 12, 2024
Shepherd Soto
US • 1 review
5 Stars
Great service and knowledgeable staff. Fast shipping, and the speakers are fantastic, especially for the price.
Date of experience: July 11, 2024
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