SKU: 52540575982

ALPHA 2 12V 200Ah LiFePO4 Battery for RVs and Off-Grid Use

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Description

ALPHA 2 12V 200Ah LiFePO4 Battery for RVs and Off-Grid UseProduct Overview The ALPHA 2 12V 200Ah LiFePO4 battery is a high capacity, long life energy solution for RVs, vans, boats, and off grid cabins. With 12. 8 volts and 200 amp hours of storage, it delivers approximately 2,560 watt hours of energy in a Group 31 case, designed to fit common RV and marine battery slots. This battery provides a reliable house bank without the maintenance demands of traditional lead acid systems. Why This Product Makes Sense

Product Overview

The ALPHA 2 12V 200Ah LiFePO4 battery is a high-capacity, long-life energy solution for RVs, vans, boats, and off-grid cabins. With 12.8 volts and 200 amp hours of storage, it delivers approximately 2,560 watt hours of energy in a Group 31 case, designed to fit common RV and marine battery slots. This battery provides a reliable house bank without the maintenance demands of traditional lead acid systems.

Why This Product Makes Sense

The ALPHA 2 uses LiFePO4 cells rated for around 5,000 charge and discharge cycles, providing long-term reliability for daily solar use or occasional outages. Its stable, non-explosive chemistry and ABS housing, rated IP65, protect the battery from dust and low-pressure water jets in practical installations. This makes it a dependable core for any 12V system, feeding inverters, DC loads, and charge controllers without constant monitoring.

With 200 amp hours of capacity, it suits users who require a true house bank. Nominal voltage is 12.8 volts, nominal energy is 2,560 watt hours, and the integrated battery management system supports up to 100 amps continuous discharge. Charge voltage is 14.4V ±0.2V, compatible with lithium-capable chargers and MPPT controllers, and short-term surges of 110 amps are supported for brief peak loads.

Cold weather challenges are managed with an internal 100-watt heating system. Below 41°F (5°C), the heater draws from an external source to safely warm the cells, turning off above 50°F (10°C) so normal charging can continue. The battery is rated for charging from 32°F to 131°F, discharging from -4°F to 140°F, and storage from 14°F to 113°F, making it suitable for variable environments in RV bays and cabins.

The onboard battery management system handles day-to-day protection, monitoring overcharge, overdischarge, overcurrent, short circuit, and temperature, while balancing the cells to maintain long-term health. Integrated Bluetooth monitoring allows real-time tracking of state of charge, voltage, current, temperature, and remaining capacity. Users can also switch the battery on or off remotely from their phone for added convenience.

What To Expect From It

Physically, the ALPHA 2 measures 20.9 x 8.1 x 8.5 inches, fitting standard Group 31 compartments, and weighs about 48.5 pounds—substantially lighter than an equivalent lead acid bank. The ABS plastic housing provides durability and flame retardance, with a five-year manufacturer warranty included.

In use, the ALPHA 2 provides stable, long-term energy for high-capacity 12V systems. It quietly powers inverters, DC loads, and solar controllers while the integrated heating, BMS, and Bluetooth monitoring simplify daily operation. The battery’s large capacity and reliable chemistry ensure you can depend on it in RVs, boats, and off-grid cabins without constant maintenance.

Technical Specifications

  • Nominal Voltage: 12.8V
  • Nominal Capacity: 200Ah
  • Nominal Energy: 2,560Wh
  • Maximum Continuous Discharge Current: 100A
  • Maximum Charge/Discharge Current: 100A
  • Recommended Continuous Charge: 50A
  • Short 10-second Surge: 110A
  • Charge Voltage: 14.4V ±0.2V
  • Charge Temperature Range: 32°F to 131°F
  • Discharge Temperature Range: -4°F to 140°F
  • Storage Temperature Range: 14°F to 113°F
  • Dimensions: 20.9 x 8.1 x 8.5 inches
  • Weight: 48.5 lb
  • Housing: ABS Plastic, IP65 Rated
  • Cycle Life: ~5,000 cycles
  • Battery Chemistry: LiFePO4 (Lithium Iron Phosphate)
  • Warranty: 5 years

What’s Included

The ALPHA 2 12V 200Ah LiFePO4 battery includes built-in Bluetooth monitoring for real-time tracking and remote control via the companion app.

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.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 52540575982

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4.3 ★★★★★
Based on 20 reviews
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Product Reviews
M
Verified Purchase
Marty K
Belleville, US
★★★★★ 1
Do Not Buy Denon Products
Style: AVR-X1800H
In search of a new A/V receiver, I sought recommendations from my friend, a professional custom home theater installer. He strongly suggested a Denon model, citing its exceptional quality and robust customer support. Regrettably, my experience with this receiver has been diametrically opposed. Upon connecting all components and completing the setup instructions, the unit commenced malfunctioning immediately. Subsequently, when all components were shutoff after I finished watching a program, the receiver turned itself back on. Occasionally, it would also turn on the TV too. Fortunately, I was present during these occurrences. I contacted Denon support, providing a comprehensive description of the issue, including the steps I had taken to resolve it, which entailed restoring the unit to its factory settings. Regrettably, the support representative was unable to provide any information regarding the underlying cause of the problem or offer a solution. When I informed him of my option to return the unit until January 31, 2026, his response was that this may be the most appropriate course of action. Upon looking at reviews of this receiver and Denon receivers in general, this has been an ongoing issue for some time. Therefore, I would not recommend purchasing Denon products.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 14, 2026
B
Verified Purchase
Brucers
Bozeman, US
★★★★★ 5
An excellent product!
Style: AVR-X2800H, Style: AVR-X2800H
Happy and satisfied does not begin to describe my satisfaction in this Denon product! Setup was a snap, instructions were detailed, and the finale results were amazing. And yes I’m running a full 7.1 setup, sounds fantastic….
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
A
Verified Purchase
Amazon Customer
Phoenix, US
★★★★★ 5
Easy Set Up and Great Sound Distribution
Style: AVR-X3800H
I replaced an old Onkyo 535 with this Denon. It was a significant upgrade. There is zero noise, the Bluetooth is easy to use and provides excellent sound, and the HDMI circuitry is outstanding. The eARC capability is compatible with 2.1 HDMI, and it works seamlessly. Of note, I really like the way it provides the best sound configuration automatically for each source, and I don't have to switch around to find the best sound option. For example, if the source is compatible with Atmos, it provides Atmos. If it's only compatible with Dolby surround, it switches to that. Finally, the distribution of sound is superb. I have a 7.1 speaker configuration of mostly mid-level speakers, and the Denon uses them to their fullest. Rear sounds come clearly from the rear...same with each side, etc. And most of all, I don't have to tweak the system to get that. I just used the provided microphone and ran the set up (which was really easy), and I have really great sound. This unit is a good value.
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Reviewed in the United States on January 28, 2026
R
Verified Purchase
Reviewer JR
Louisville, US
★★★★★ 4
Expensive, but nice
Style: AVR-X4800H
I previously owned a Denon AVR-2808ci since 2008. That model's remote control didn't work well, and all controls were unnecessarily convoluted, so I was hesitant to buy another Denon. The thing that made me give them another chance is that the sound quality was nice, and I was hoping their engineers learned from their mistakes. I'm glad I gave them the chance. This new model, the AVR-X4800H, also has excellent sound quality; however, unlike the old one I had, the controls on both the receiver itself, and especially on the remote control, are significantly improved. The controls are intuitive, and everything works perfectly. That alone made me happy with the purchase; however, the ability to run 4k @ 120 hz for video gaming, and with extra HDMI ports they have here, all added to that value quite a bit. Then, in addition to that, the old model I had ran super hot. In fact, so hot, from just basic usage, it fried itself three different times in the span of a couple weeks (during the winter time), and it kept being repaired under warranty, until they replaced the top grate with one that allows more ventilation. However, this new model doesn't appear to suffer from that same issue. It gets pretty warm, but nowhere near what the old one did -- and I'm using the same Bose Surround Sound system with the new one. That said, as a precaution, I went ahead and ordered an AC Infinity AirCom to put on top of it, to assist with cooling/ventilation, which has worked wonderfully as well. No the tempts on this Denon AVR have never gone above 87 deg, even on a warm room on the third floor during the late spring / summer time. The other hesitancy I had was the price tag. I only purchased it because it was on a "25% discount", from $2500 down to around $1850. Granted, it was similar when I purchased the other one 15 years ago, but it's just an awful lot of money, in my humble opinion. I would say it was borderline on whether I would buy it for this amount, and if it went up at all, I wouldn't have purchased it. I may not purchase it again for this price, especially if I have one already that is working well -- it was only the wonky one that I already owned, that I just wanted to get rid of, that put more pressure to give them one more chance. With a working device, I probably wouldn't pay these prices again. But, if it were a few hundred dollars cheaper, then I probably would buy it again. Hopefully this helps someone. It's a great device, just a bit expensive. And, if you get it, I would still recommend getting a top cooling fan for it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 13, 2024
B
Verified Purchase
B. Husher
Carnegie, US
★★★★★ 5
Solid Next-Generation AVR.
Style: AVR-X2800H
I bought this for my 2.1 system used for TV (4K with 120 Hz), movies, video games (4K with 120 Hz), turntable, and digital audio. I have previously used Denon, Marantz, and NAD AVRs. I was using an old NAD without HDMI, and I really wanted everything to synch up. I tried out a stereo receiver since I am only running a 2.1, but I didn't mesh for me. It was fine, but I felt it was lacking especially around multi-channel audio and the lack of an LFE output for the sub. The 2800H was very intuitive and easy to set up right out of the box. Hooked up to a TV, it runs through everything step-by-step. After the initial setup, I downloaded and ran a firmware update. When I finally got to use my ears, the sound was already superior to what I had from the mid-2000s 60-watt-per-channel NAD AVR with an external Bluetooth/DAC and PCM cable from the TV AND the brand-new, 2023 model HDMI-equipped stereo receiver (that cost me more than the 2800H). After running Audyssey, the sound only got better. Then, I set up my 2 front speakers on a bi-amp setting, utilizing two of my unused channels to drive my woofer and tweeter with discrete power sources. The eARC and settings makes turning on my TV, PS5, and AVR easier and quicker. I enjoy the fact that I can use any remote to fix the volume so there is always a remote close when we need a quick mute or change in the volume. I find the HEOS app to be a little clunky, but I am loving it anyway. I can run high-definition audio through streaming, which is a huge improvement from using Apple Airplay 2 or Bluetooth. It also lets me talk on the phone, send and receive messages, etc. without interrupting the music. Right now, I am still tweaking my settings, but I can definitely say that the sound is really good. Have I heard better? Sure. This isn't an 11-channel receiver with Dirac, a 200 watt-per-channel, high-end "audiophile"-grade component, or a tube amp. It is best at multi-channel audio and does really well for music, especially with a good set of speakers and quality sub with parametric EQ. My speakers have are low sensitivity (84dB), and the 2800H puts out enough grunt to listen give nuance and life to music in listening position, to bump the music to listen in my kitchen two rooms over, or watch at theater-level volume in my medium-sized living room with 8-foot ceilings. This thing is getting daily use, and it is more than enough to get the job done in style. For what I need, the 2800H is spot on.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 9, 2023

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