SKU: 5806469774

Mastervolt Mass 24/50-2 [40020506]

Sale price$752.38 Regular price$835.98
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Ships within 48 hours · Estimated delivery Aug 3 - Aug 8

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Description

Mastervolt Mass 24/50-2 [40020506]Mass 24 50 2 Mass battery chargers are designed for the toughest conditions for professional, semi professional and recreational purposes. Even under the most extreme conditions the products from the Mass series operate faultlessly, giving you round the clock output when necessary. The sustainability and technologies that underpin the Mass concept have long been proven in practice. With an MTBF of 180,000 hours at full capacity and 24 7 use, the Mass

Mass 24/50-2

Mass battery chargers are designed for the toughest conditions for professional, semi-professional and recreational purposes. Even under the most extreme conditions the products from the Mass series operate faultlessly, giving you round-the-clock output when necessary. The sustainability and technologies that underpin the Mass concept have long been proven in practice. With an MTBF of 180,000 hours at full capacity and 24/7 use, the Mass products are ideal for the toughest tasks and any situation that requires a reliable power supply. 

Powerful selling points:

  • Designed for the most difficult conditions
  • Lightweight, stainless steel, anodized aluminium casing
  • Coating of internal components prevents damage from damp or condensation to ensure a longer lifespan
  • Insensitive to electromagnetic effects from other devices
  • Suitable for every type of battery, also charges entirely empty batteries
  • Delivered as standard with temperature sensor
  • Full power at temperatures of up to 45 ˚C
  • Load capacities from 80 to 1000 Ah or more
  • Stable and ripple free 24 and 48 V power supply, even without batteries
  • The Current Control function prevents the breakdown of fuses when the voltage drops
  • Parallel switching possible using multiple battery chargers
  • Connections in accordance with CE, ABYC A-31 and IEC60945
  • Certified by RRR, RMRS (does not apply to 24/75 120 V)
  • Certified by DNV GL (only 24/25, 24/50, 24/75, 24/75 (120 V, 24/100 models)
  • Certified by Lloyd (only 24/75, 24/100 models)

For professional use: GMDSS

Professional users will benefit from a front display with GMDSS alarm functions GMDSS stands for Global Maritime Distress and Safety System, an internationally agreed-upon set of safety procedures, types of equipment, and communication protocols that is a requirement for the SOLAS (Safety Of Life At Sea) convention and uses DSC and satellite communication.

This front display is only available for Mass 24/25-2 DNV, Mass 24/50-2, Mass 24/75, Mass 24/75 (120 V), Mass 24/100 and Mass 24/100-3ph.

Charging Lithium Ion batteries

Although Lithium Ion batteries are increasingly popular, there can be a lack of clarity when it comes to the charging process. This is not a problem with Mastervolt as the Mastervolt battery chargers communicate directly with the Lithium Ion battery via the integrated MasterBus (or have been adapted to the required charging voltages).

MasterBus compatible

Mass battery chargers can be easily connected to a MasterBus network with only one cable and one connection. You can also choose central, local or remote monitoring, configuration and control of your system.

Made tough by smart design

The certified Mass battery chargers are very strong, designed to withstand heavy vibrations and shocks. Their premium quality components meet the highest possible specifications, while the smart and extra robust mounting adds to the professional end result.

WARNING: 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.


Owner's Manual (pdf)
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 5806469774

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4.3 ★★★★★
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PrettyInPink
Pawtucket, US
★★★★★ 5
So comfortable but only lasted 5 months…
Size: 9, Color: Sea Salt, Size: 9, Color: Sea Salt
I was hesitant to buy these without being able to try them on, but I’m so glad I did! They are incredibly comfortable. I am on my feet for a large portion of the day as a school principal and these feel amazing all day. They’re very adjustable so if you have feet that swell (or just fatter feet like me) these should be able to accommodate you. They are clunky but really cute! They’re also easy to clean. I’ve worn mine just about every day since I received them and can easily wipe them down with a wet paper towel to make them look new. They will occasionally trip you up if you’re not careful, the same way Ugg boots can do, but that hasn’t been a big problem for me. They’re very lightweight and versatile. Love them! Update: I probably just wore these too hard because today I was walking the school hallway and the shoe just snapped. One of the sides was completely unattached and within 30 minutes they were only on my foot by one strap. Super disappointed!! But I loved them enough that I ordered another pair to get me through until boot weather.
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Reviewed in the United States on June 2, 2024
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Verified Purchase
A
Pawtucket, US
★★★★★ 4
Great shoe, room for improvement
Size: 7, Color: Bison Brown
I wore these to a 2 day music festival and my feet were so comfortable dancing and walking all day. Got a little sore by the end of the night, but the only thing that would have been more comfortable would be athletic sneakers so that pretty good for such a cool looking sandal. Sizing is off tho. I am a 7-7.5, and I ordered a 7. Length wise theyre good, but maybe I have skinny feet because I had to strap the 3 Velcro straps as tight as they could go, especially the heel one. Maybe I would have been better going down a size because I want to have my feet feel super snug and secure in sandals, especially if I’m dancing. But overall great sandals and honestly I’d buy them again
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Reviewed in the United States on June 25, 2024
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Nicky
New York, US
★★★★★ 1
These sandals are massive
Size: 9, Color: Bison Brown
These sandals are super bulky and fit on the larger size. I would recommend tou size down 1/2 to 1 size.
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Reviewed in the United States on May 30, 2026
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Verified Purchase
Sarah G.
Port Orchard, US
★★★★★ 5
comfy!
Size: 9, Color: Bison Brown
These are my favorite summer sandal. Super comfortable and so versatile with any style of clothing.
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Reviewed in the United States on April 29, 2026
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DocV
Carnegie, US
★★★★★ 5
Timeless Elegance & Exceptional Value – Lab Grown Perfection
Color: Yellow Gold, Size: 1 cttw
Rating: ⭐⭐⭐⭐⭐ As someone who values both aesthetic beauty and ethical sourcing, I am incredibly impressed with these Amazon Essentials Lab Grown Diamond Studs. While some might be hesitant about "Amazon jewelry," the quality of these earrings rivals high-end boutique pieces at a fraction of the cost. Certified Brilliance The fact that these are IGI Certified is a game-changer. It provides total peace of mind regarding the G-H color and VS1-VS2 clarity. • Sparkle: The round cut is precise, offering incredible fire and light dispersion. They don't have that "glassy" look often found in lower-quality stones; they look like pure, high-end brilliance. • Clarity: Under a jeweler's loupe, the stones are remarkably clean. To the naked eye, they are absolutely flawless. Premium Materials & Ergonomics The setting is just as important as the stone, and Amazon didn't cut corners here: • 14k Gold Construction: The 14k gold is sturdy and polished to a high mirror finish. It’s hypoallergenic, which is essential for long-term daily wear. • The 4-Prong Setting: This classic "basket" style is awesomely functional, holding the diamond securely while allowing maximum light to enter from the sides. • Comfortable Fit: The posts are the perfect length—long enough to be secure but not so long that they poke you while sleeping or using a phone. An Essential Wardrobe Staple These earrings are a gorgeous addition to any collection. They are the definition of an absolutely essential tool for effortless style, whether for everyday wear or special occasions. Final Verdict: These earrings represent a perfect marriage of professional-grade certification and accessible luxury. They are functional, stunning, and ethically sound. If you want the look of a $2,000 pair of studs for a surgical price point, these are the ones to get.
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Reviewed in the United States on December 28, 2025

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