SKU: 76554609126

Magnum Ms2812l 2800w Inverter 12v W-125a Pfc Charger

$812.09 $902.32
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Description

Magnum Ms2812l 2800w Inverter 12v W-125a Pfc ChargerThe MS Series Inverter Charger from Magnum Energy ? a pure sine wave inverter designed specifically for the most demanding mobile and off grid applications. The MS Series is powerful, easy to use, and best of all, cost effective. Power Factor Corrected (PFC) Charger: Our PFC charger is built into all of our inverter chargers. It uses less energy from a generator than a standard charger ? using 25 30% less AC current than standard chargers. Safe and

The MS Series Inverter/Charger from Magnum Energy ? a pure sine wave inverter designed specifically for the most demanding mobile and off grid applications. The MS Series is powerful, easy-to-use, and best of all, cost effective.

Power Factor Corrected (PFC) Charger: Our PFC charger is built into all of our inverter chargers. It uses less energy from a generator than a standard charger ? using 25-30% less AC current than standard chargers.

Safe and reliable: The MS2000, MS2012, MS2812, and MS4024 are ETL Listed to the stringent requirements of UL/cUL 458 for mobile use and the MS2012, MS2812, and MS4024 are ETL Listed UL 1741 and CSA C22.2 #107.1-01 for renewable energy installations. All models also meet KKK-A-1822E standards for emergency vehicle use.

Easy-to-install: Install the MS Series in four easy steps: simply connect the inverter?s output to your distribution circuits or electrical panel, connect your utility power cable to the inverter?s easy-to-reach terminal block, connect the batteries, and switch on the power

Features:

Pure sine wave: Power your T.V.s, stereos, plasma screens, and other sensitive electronics without worry. The pure sine wave inverter and power factor corrected charger provide clean, reliable inverter power with low total harmonic distortion (THD) of less than 5%.

Choices: The MS Series comes in 12 and 24 volt configurations, allowing you to choose the model that is right for you.

Versatile mounting: Mount the MS Series on a shelf, bulkhead, or even upside down.

Lightweight: The lightweight aluminum base and cover also provides noise reduction and corrosion resistance.

Multiple ports: The MS Series provides multiple ports, including an RS485 communication port for network expansion, and a remote port.

Accessible design: The extra large AC access cover with terminal screw block and 360° DC connection terminals with covers make this inverter more accessible when it needs to be.

Convenient switches: The MS Series comes with an on/off inverter-mounted switch with an easy-to-read LED indicator.

Expanded transfer relay: 60 Amp transfer service is available on all models.

Buy with ease: The MS Series is backed by a three-year (36-month) limited warranty

Specification MS2000 MS2012 MS2812 MS4024
Input battery voltage range 9 -17 VDC 9 - 17 VDC 9 - 17 VDC 18 - 34 VDC
Nominal AC output voltage 120 VAC 120 VAC 120 VAC 120 VAC
Outpput frequency and accuracy 60 Hz ± 0.04% 60 Hz ± 0.04% 60 Hz ± 0.04% 60 Hz ± 0.04%
Tptal harmonic distortion (THD) <5% <5% <5% <5%
1 msec surge current (amps AC) 50 50 70 120
100 msec surge current (amps AC) 33 33 40 72
5 sec surge power (real watts) 3300 3300 3900 5800
30 sec surge power (real watts) 3100 3100 3800 5400
5 minute surge power (real watts) 2800 2800 3200 4900
30 minute surge power (real watts) 2200 2200 3000 4500
Continuous power output at 25° C 2000 VA 2000 VA 2800 VA 4000 VA
Rated input battery current 225 ADC 225 ADC 267 ADC 204 ADC
Inverter efficiency 89% 89% 88% 87%
Transfer Time 16 msecs 16 msecs 16 msecs 16 msecs
Search Mode (typical) 5 watts 7 watts 7 watts 7 watts
no Load (120 VAc output, typical) 25 watts 25 watts 30 watts 25 watts
Wave Form Pure Sine Wave Pure Sine Wave Pure Sine Wave Pure Sine Wave
Charger Specifications
Continuous output at 25° C 100 ADC 100 ADC 125 ADC 105 ADC
Charger efficiency 85% 85% 85% 85%
Power factor >.95 >.95 >.95 >.95
Input current at rated output (AC amps) 15 15 18 29
General Features and Capabilities
Transfer relay capability MS2000: 30 A single input
MS2012, MS2812, MS4024: 2 legs at 30 A for 120 V/30 A or 240 V/60 A service
Five stage charging capability Bulk, Absorb, Float, Equalize (requires remote), and Battery Saver™
Battery temperature compensation Yes, 15 ft Battery Temp Sensor standard
Remote available (optional) Yes, MM-RC or ME-RC
Internal cooling 0 to 120 cfm variable speed drive using dual 92mm brushless DC fans
Over current protection Yes, with overlapping circuits
Over temperature protection yes on transformer,MOSFETS, and battery
Conformal coating on PCB?s for corrosion protection Yes
Powder coated chassis & top for corrosion protection Yes
Stainless steel fasteners for corrosion protection Yes
Dual AC branch rated output breakers 20A on MS2000-20B
Listings ETL Listed to UL/cUL 458, UL 1741, CSA C22.2 #107.1-01, meets KKK-A-1822E standard
Warranty 3 Years
Enviromental Specifications
Operating temperatures -20° C to +60° C (-4° F to 140° F)
Non-operating temperature -40° C to +70° C (-40° F to 158° F)
Operating Humidity 0 to 95% RH non condensing
Physical specifications
Dimensions (l x w x h) 13.75? x 12.65? x 8.0? (34.9 cm x 32.1 cm x 20.3 cm)
Mounting Shelf (top or bottom up) or bulkhead (vents up)
Weight 40 lb 42 lb 55 lb 55 lb
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: 76554609126

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4.1 ★★★★★
Based on 10 reviews
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Product Reviews
M
Verified Purchase
Marcos Castillo
Boise, US
★★★★★ 5
Comparable to Higher-End Chairs, Solid Build and Support Without the Premium Price
Color: Black Full Mesh, Style: Executive, Color: Black Full Mesh, Style: Executive
I’ve been using this chair for a bit now and it’s been a genuinely upgrade. The build quality stands out right away, it has real heft and doesn’t feel cheap or hollow. Everything fits together cleanly and once assembled it feels stable and planted. I’m over 6 ft and 200+ lbs and it handles that without any issue, no creaking or sense that it’s being pushed to its limits. There’s enough space in the seat and back that you don’t feel boxed in. I added an extra ergonomic cushion and it still feels roomy, which isn’t always the case with chairs in this category. The adjustability helps a lot here, especially the lumbar support. Being able to move it up and down and also forward and back makes it easy to actually get it where you need it, instead of just accepting a fixed position. The armrests are also easy to dial in, especially if you’re switching between typing, reading, or leaning back a bit. The tilt range is useful, and the tilt tension is stronger than I expected. Even at my size it takes a bit of effort to lean back, which I see as a positive since it feels controlled and supportive rather than loose or overly easy to recline. The mesh is another strong point. It came in perfect condition, no snags, no loose threads, no rough edges anywhere. There weren’t any bits of untrimmed plastic on the frame either, which says a lot about the quality control. The mesh itself is taut with a bit of bounce, so it doesn’t sag but still has some give, which makes long sitting sessions more comfortable. Assembly was straightforward and clearly thought through. The instructions are easy to follow, but what stood out were the built in redundancies that keep you from second guessing anything. There are multiple left and right indicators when installing the arms, a clear front facing marker for the gas lift, and the screws are labeled in the packaging so you’re not guessing which goes where. It’s one of the smoother assembly experiences I’ve had. I also reached out to activate my warranty and had a very positive experience. I spoke with Alice who was very knowledgeable, quick, warm, and they went out of their way to help me with whatever I needed. When I inquired about the extra screw holes under the chair, she let me know that this was for a foot rest which was still in the production phase and unprompted offered to have one shipped to me when they were ready! There is an excellent team behind the product. Overall: well built chair with good materials, thoughtful design choices, and good adjustability to make it work for different setups. It feels durable, comfortable over longer periods, and especially well suited if you need something that can handle a larger frame without sacrificing support.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 20, 2026
M
Verified Purchase
M. T.
Whiting, US
★★★★★ 5
Excellent chair/great support.
Color: Black Full Mesh, Style: Executive
Excellent, comfortable chair! I was surprised at how easy it was to assemble---but the directions were super clear and all the pieces and parts were labeled. Once I received the chair, I was also surprised with the email follow up from Alice at Molents. All this for a reasonably priced chair.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 1, 2026
S
Verified Purchase
SL
Whiting, US
★★★★★ 4
Great Ergonomic Support and Fit, with Minor Adjustment Caveats
Color: Black Full Mesh, Style: Executive, Color: Black Full Mesh, Style: Executive
As someone who is 5'4" and 140 lbs, the size of the chair feels ideal, and the seat cushion is spacious without feeling overwhelmingly large. The breathable mesh material is high quality, keeping me cool during long working sessions while still feeling sturdy. The back support and adjustable lumbar feature aligns perfectly with my spine and has noticeably reduced my posture fatigue. The height adjustment mechanism operates smoothly to align perfectly with my desk, and the assembly process was surprisingly straightforward, taking less than 20 minutes with clear instructions and tools included. My only slight hesitations are regarding armrests not being long enough. The wheels are not easy to roll on carpet and require a bit of extra effort to move. Maybe a chair mat might be helpful on carpeted floors. However, for the price, the comfort and build are impressive.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 11, 2026
J
Verified Purchase
JFH
San Leandro, US
★★★★★ 5
High quality and incredible customer service
Color: Black Full Mesh, Style: Executive
This is an extremely well made chair at a very competitive price. The packaging, assembly instructions, as well as the way the hardware was packaged and labeled is probably the best I've seen. I'm particular about tools, and the included allen wrench was better than the normal "included tools" so much so that i actually used it rather than one of my own. The assembly was easy, and the chair itself looks and feels very high quality, and is very comfortable. Perhaps best of all was the level of customer service. I emailed on a weekend to activate the warranty and request the free cushion they offer. I got a personal response in less than a day and they offered upgraded wheels for free as well. This is a company worth doing business with.
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Reviewed in the United States on April 5, 2026
M
Verified Purchase
Michael Verbeke
San Leandro, US
★★★★★ 5
Great product AND customer service!
Color: Black Full Mesh, Style: Executive
I'm having a hard time writing this review because I can't tell which one I like better: the product or the customer service! I work on a computer all day, so a comfortable office chair is critical for me. This chair is great - it's adjustable in every way I need it to be, especially the armrests. The breathable mesh is both durable and supportive, and is more comfortable to sit in than the "overstuffed" chair it replaced. Let me just say: no company provides better customer service than MOLENTS. Right after assembling my chair (which was very easy, btw), I registered for the 2 year warranty they offer. The NEXT DAY I received an email from Alice in their customer service department 1) to confirm my warranty, 2) to tell me about the free foam seat cover they were sending me, and 3) to make sure the chair was comfortable and easy to assemble. Very few companies take the effort to follow up with customers right after making a purchase like that. I'm extremely happy with this purchase. This chair is worth MORE than it's weight in gold, and I strongly recommend to anyone thinking about buying an office chair to buy it from MOLENTS - you won't regret it. Oh, and if Alice's supervisors are reading this: she absolutely deserves a promotion!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 13, 2026

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