SKU: 9533129959

EPOCH 12V 300Ah (3.84kWh) Pro Series - LiFePO4 Cranking & Deep Cycle Lithium Battery (Dual Purpose)

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Description

EPOCH 12V 300Ah (3.84kWh) Pro Series - LiFePO4 Cranking & Deep Cycle Lithium Battery (Dual Purpose)12. 8V 300Ah LiFePO4 Battery with Heat, Bluetooth, CANBUS, and Smart BMS When your power system has real work to do, you need a battery that can deliver more than just decent numbers on paper. You need strong capacity, dependable output, cold weather charging capability, and built in protection that helps your system stay stable when conditions are less than perfect. This 12. 8V 300Ah LiFePO4 battery is built for exactly that. Designed for marine, RV,

12.8V 300Ah LiFePO4 Battery with Heat, Bluetooth, CANBUS, and Smart BMS

When your power system has real work to do, you need a battery that can deliver more than just decent numbers on paper. You need strong capacity, dependable output, cold-weather charging capability, and built-in protection that helps your system stay stable when conditions are less than perfect. This 12.8V 300Ah LiFePO4 battery is built for exactly that.

Designed for marine, RV, off-grid, and industrial power systems, this battery combines high-capacity lithium iron phosphate chemistry, 300Ah of storage, Bluetooth monitoring, CANBUS communication, and internal heating into one rugged, maintenance-free package. The result is a serious energy storage solution for people who need long runtime, strong current delivery, and day-in, day-out reliability.

With approximately 3.84kWh of stored energy, this battery gives you the kind of usable power that makes a real difference in the field. Whether you are running critical loads on an off-grid setup, extending your time off shore, powering an RV without constant generator noise, or building a scalable battery bank for demanding equipment, this unit is designed to help you do it with less hassle and more confidence.

Serious capacity for serious runtime

A 300Ah battery is not for light-duty use. It is for people who are tired of coming up short on runtime and tired of building systems around compromises.

This battery delivers 12.8V output and 300Ah capacity, making it a strong fit for applications where dependable energy storage matters. It supports up to 300A continuous discharge and 300A continuous charge current, with a peak discharge capability of 1,000A for 5 seconds. That means it can support high-demand loads and handle heavy bursts of power when your system needs it most.

For RV owners, that can mean longer time off-grid with fewer charging interruptions. For marine users, it means reliable house power with the strength to support demanding onboard systems. For off-grid users, it means a battery that can carry meaningful daily loads instead of just covering the basics.

Stable LiFePO4 performance you can trust

Lithium iron phosphate has become the go-to chemistry for high-quality energy storage for a reason. It offers strong cycle life, stable voltage, dependable thermal performance, and lower maintenance than older battery technologies.

This battery is built with LiFePO4 chemistry to provide consistent power delivery across a wide range of applications. It is designed for people who want a battery that feels dependable in real use, not one that constantly needs attention, equalizing, watering, or workarounds.

If you are upgrading from lead-acid, this is the kind of change you notice fast. Better usable capacity. Better charge efficiency. Less maintenance. Less voltage sag. More confidence when your system is actually being used hard.

Built-in Smart BMS protection

A battery is only as trustworthy as the protection system behind it. This model includes an integrated Battery Management System (BMS) designed to help protect against overcurrent, short circuits, and temperature extremes.

That matters because real systems are not always operated under perfect conditions. Loads spike. Temperatures change. Mistakes happen. A smart BMS helps protect the battery and supports more stable operation over the long term.

This battery also includes high and low temperature disconnect functionality, adding another layer of protection for applications that see changing weather, varying use patterns, or tough working environments.

Internal heating for cold-weather charging

Cold weather can create real problems for battery charging, especially in cabins, garages, marine installs, work trailers, and RVs used year-round. This battery addresses that with internal heating, allowing it to charge in low-temperature conditions where many batteries would struggle or require additional intervention.

That means fewer seasonal limitations and a more practical battery for users in northern climates or any setup that may face freezing temperatures. It is a feature that adds real-world usability, not just technical appeal.

For customers who have learned the hard way that winter can expose every weak link in a power system, built-in heating is a major advantage.

Bluetooth monitoring puts battery data in your pocket

You should not have to guess what your battery is doing. Built-in Bluetooth connectivity allows monitoring and firmware updates through mobile apps, giving you easier access to battery status and system information without extra hardware or unnecessary complication.

That means quicker status checks, simpler troubleshooting, and a better overall ownership experience. Whether you are managing an off-grid power bank, checking battery condition before a trip, or keeping an eye on system performance while on the water, Bluetooth monitoring makes the system easier to live with.

CANBUS communication for system integration

Compatibility matters, especially in more advanced power systems. This battery includes CANBUS communication support, helping it integrate with supported energy ecosystems for more coordinated system performance and monitoring.

For professional installers and experienced DIY users, that can make a big difference in how cleanly a system comes together. Better communication between components often means better visibility, smoother operation, and a more refined overall setup.

Built for harsh environments

Some batteries are fine on a bench in ideal conditions. This one is built for real environments. With an IP67-rated enclosure, it is protected against dust and water ingress, making it a strong choice for marine applications, mobile systems, off-grid installations, and industrial environments where exposure is part of the job.

That added durability matters when your battery lives somewhere that is not climate-controlled, not spotless, and not forgiving. It is one more reason this battery fits demanding use cases so well.

Expandable for larger systems

A good battery should not box you in. This model supports both series and parallel configurations, with support for up to 4 batteries in series and 16 batteries in parallel.

That gives you room to build the system you need now and expand later as your power demands grow. Start with one battery for a compact setup, or build out a larger bank for more storage, more runtime, and broader system capability.

This kind of flexibility is especially valuable for off-grid users, boat owners, RV builders, and commercial customers who want a battery platform that can grow with their needs instead of forcing a complete redesign down the road.

Long life with low maintenance

Nobody wants a battery that becomes another maintenance chore. This unit is built for maintenance-free operation and long-term service, with the cycle-life advantages that make LiFePO4 such a strong fit for frequent-use applications.

That means less babysitting, less downtime, and a better return on your investment over the long haul. It is a battery built for people who want to spend more time using their power system and less time worrying about it.

Add in the 11-year manufacturer warranty, and you get the kind of long-term backing that helps justify investing in a premium energy storage solution.

Why this 300Ah battery stands out

Customers shopping in this category are usually not just browsing. They are trying to solve a real problem. They need more runtime. More reliability. Better cold-weather performance. More confidence in the system they are building.

This battery stands out because it combines the features that matter most in real-world use:

  • 300Ah capacity for extended runtime
  • 12.8V output with stable LiFePO4 performance
  • 3.84kWh of stored energy in one battery
  • 300A continuous charge and discharge current
  • 1,000A peak discharge for 5 seconds
  • Smart BMS protection against overcurrent, short circuits, and temperature extremes
  • Bluetooth connectivity for app-based monitoring and firmware updates
  • CANBUS communication for system integration
  • Internal heating for charging in low-temperature conditions
  • IP67-rated enclosure for dust and water protection
  • Series and parallel support for scalable system design
  • Maintenance-free operation with long cycle life
  • 11-year manufacturer warranty for long-term peace of mind

Ideal for

This battery is a strong fit for:

  • RV house power systems
  • Marine house banks and onboard energy storage
  • Off-grid solar battery systems
  • Backup power setups
  • Industrial mobile power applications
  • Work trucks, trailers, and field equipment
  • Scalable 12V battery banks that need high current capability and cold-weather charging support


If you only need a battery for occasional light use, this may be more battery than you need. But if you are building a serious power system and want meaningful capacity, high current performance, rugged environmental protection, and modern monitoring features, this is the kind of battery worth buying once and buying right.

It is built for people who rely on their power system, not people who just want a spec sheet to look good.

Product Summary

This 12.8V 300Ah LiFePO4 battery is a high-capacity, high-performance energy storage solution built for demanding marine, RV, off-grid, and industrial applications. With 300Ah capacity, 3.84kWh of stored energy, 300A continuous charge and discharge capability, 1,000A peak discharge, Bluetooth monitoring, CANBUS communication, internal heating, and an IP67-rated enclosure, it is designed to deliver dependable power in tough real-world conditions. Backed by a Smart BMS, long cycle life, scalable series and parallel support, and an 11-year manufacturer warranty, it offers the kind of reliability and flexibility serious users expect. 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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  • 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: 9533129959

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4.6 ★★★★★
Based on 2086 reviews
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Product Reviews
J
Verified Purchase
Jason Lefebvre
Draper, US
★★★★★ 5
Top notch mount with high build quality
I love it when I take a chance and spend some extra money hoping for a quality product - and it actually pans out. I bought this for my 2nd gen Toyota Tacoma (2014). The install was fast. Instructions were clear. The mount is ROCK solid and has two points of articulation so I can position my phone well. I couldn't ask for a better product. The price I paid was a little steep for a mount, but if you demand quality then look no further.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 21, 2025
M
Verified Purchase
Michael
New York, US
★★★★★ 5
Must buy.
use this thing every day I combined it with a quad lock MagSafe compatible charger and I could not imagine my life without it makes charging and using Google maps so much easier. really easy install extremely sturdy and it fit perfectly.
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Reviewed in the United States on January 6, 2026
M
Verified Purchase
MaRo
Cuba, US
★★★★★ 5
*SEE UPDATED REVIEW BELOW ORIGINAL REVIEW* SLOW CHARGING EVEN WITH ANKER'S RECOMMENDED WALL ADAPTER
Size: 1pack, Color: Black
Date of original review: 9/20/19 I bought this back in January of 2019 and as described in the product information, I bought the Anker Powerport +1 with Quick Charge 3.0 at the same time. This was the wall adapter that Anker suggested to get along with this charging stand to ensure you get maximum performance. To this date, this was my first and only time using a wireless charging setup, and I was quite excited to try it out because of the perceived convenience factor. But unfortunately I was let down, because immediately I noticed how incredibly slow this thing charges my s9+. It is ridiculously slow, and pretty much unusable. Unless of course you have the thing parked on the charging stand every second that you aren't using the phone, which then it might keep up with the phone in maximum power saving mode and barely using it at all for even basic low power consuming things like texting or making a call etc. This may sound strange, but I did not think to check the reviews on here to see if others had the same problem. Normally I would recognize if a device I just bought had issues, and would be online searching for answers or a return of the item the same day I got it. But this time was different. In my defense, I had a lot of things going on at once in my life at the time, and so for some reason I assumed this was the nature of wireless charging and that they haven't figured out the technology yet to make is a reliable, functional way to charge one's phone. Come to find out, as of today (9/19/19) I am discovering by near accident that wireless charging is not supposed to be that slow, and actually according to reviews on here it should be reasonably decent speed of charging. But only when you have the right adapter, the correct cable, and your charging stand is not faulty and you use it correctly. I did all of those things except for the one thing that was an unknown to me, which was having a charging stand that is working properly and not potentially faulty, and so hence this review in the hopes that others may see it and consider other similar items instead of this one. The couple times I used this charging stand I noticed a few things that basically made this item unusable: 1) the phone heats up to where it is SUPER hot when on the stand, 2) the battery goes down FASTER than if it was not charging at all, and 3) the only way to remedy #2 is to have the phone off while charging on the charging stand! If the phone is off and I put it on the wireless charging stand with the Anker powerport adapter that has Quick Charge and using the micro usb cable that came with the charging stand, I can maybe get a couple percent charge per hour. I just tested it now actually and in 20 minutes my phone actually lost a percentage point in its battery level!! I guess it has gotten worse at charging since I last used it back in January when I got frustrated, felt duped, and was extremely irritated that I spent money on something that hardly works, and thus ended up shelving the stand completely in favor of using the wall adapter with a normal corded setup. I use a USB-C cable also from Anker, which is great btw, and that works fine and charges totally fast. It even seems a bit faster than the Samsung stock wall charger that came with my Galaxy s9+. To ensure any readers of this are following my somewhat scattered review, when I purchased this item it was my first time using a wireless charger of any kind, and I honestly did not know that it was supposed to be faster than the dismal charging speeds I got from this stand. I just figured that is the speed at which these things charge devices like my s9+. So in the end I put it aside and there it has sat for months and months until now when I decided to try it once more, this time with a different phone. Well, the other phone I tried didn't actually have the wireless charging capability so I decided to try my s9+ again just for kicks. It was just as slow and as stated above it even drained my battery instead of charging it, which was unsurprising because that is what it has done every other time unless I charge it with the phone turned off. I happened to be on Amazon at the same time as this most recent re-test was taking place, so I looked up reviews and searched for reviews for this stand that had s9+ in them. Lo and behold, there were countless others that have had the same issue! I had no idea that my charging stand might be faulty/defective like so many other reviewers have experienced with this product! But now my return period has lapsed and also my product support window has closed from Amazon, so I will probably try Anker customer service to see if they can help or if they offer a longer warranty with potentially faulty devices like the one I made the mistake of buying. I will update this review with what goes down, if anything. In the meantime, I do recommend the above mentioned wall adapter and also the USB - C cord that Anker makes. Those are of high quality and work flawlessly. BTW I forgot to mention that I tried charging my s9+ without a case on it, and actually now that I think of it this is the only way I have tried to charge using this item. I have a metal disc that is for my phone holder in my car, so I took the case off every time I tested this item out. So the case is not the reason for such dismal performance, rather it is the item itself that is the cause. I am pretty unhappy with Anker because I love their products and have always been impressed with the quality, and I am also kicking myself or not looking more in depth into this earlier. Maybe I could have got it resolved under warranty or the support window, and now I am stuck pleading my case to their customer service department. WIll update if anything develops or changes with my situation here. **UPDATE as of 10/21/19** Here's a quick synopsis of what went down since I wrote the review. FIrst off, as I had hoped would happen, Anker saw the original one-star review I left on here, and they actually took the first step in reaching out to me. It seemed like a bot or something automated that had typed that up and sent it to my email, but either way I was pretty impressed with how quickly they jumped into action. It basically said something to the effect of them having been aware of the review I left and also them confirming that I had been experiencing the issue with the device since the very beginning when I received the device, and that I should then reach out to Anker customer service. They said they wanted to have a chance to correct the issue because based on my description of the issue, they felt like the charging stand has some issues and may be malfunctioning. I followed the instructions on how to contact customer service about the issue and basically did a cut and paste of everything I wrote in this review and sent it to Anker along with my Amazon order number. There were a few options they listed as methods to contact them: one was through Amazon messaging, another was by calling them directly, and the one I chose was to go to Anker's website and submit a service request. At that point I had already received a notification from Amazon that stated how I was outside of the warranty and also that my service window had expired, so because Amazon said I was out of luck, I did not expect Anker to do anything to help because of that same reason. I knew it was a shot in the dark, but I had no use for the thing if its just gonna sit there and not work properly, so I thought that I might as well go through the steps and see what happens. The Anker website did say something about a longer warranty period, or maybe I saw that somewhere else during my search for answers and when I was scouring the package inserts that came in the box along with the charging stand for anything that could be of use. Can't remember exactly where I saw this but I think Anker has an 18 month warranty for most items, but I could be wrong about that. I had a lot going on when I was doing all of this so I wasn't engaged 100% of the time, and had to handle other obligations that were more pressing and put this on the back burner for a few days here and there. I do remember seeing something about that warranty somewhere, and so that kept hope alive that I would get some assistance with this obviously faulty device that I was stuck with for the time being. So I reached out to Anker on 10/4/19 and got the usual auto response saying they received the service request and here is your RMA number and so on. I waited patiently for a few days, but didn't give it much thought because of the aforementioned obligations and stuff I had to focus my attention on. This went on for a few days until one fortuitous afternoon when I received a surprise package in the mail from Anker. I was kind of confused because I had not done any other step than submitting my initial service request, and usually these things take a bit of time and interacting with tech support and sometimes even sending in the item so that they can figure out the issue before anything is done to remedy things. So having had some experience with this sort of thing, I was expecting to get return shipping instructions or some other correspondences from Anker's support team. But they did not do any of that, and skipped right ahead to what was my desired end result! Anker is on a whole different level of customer service than nearly every company out there, and here's why: they had taken the initiative and without hesitating had sent me a brand new device!! And it was even the updated version that had since come out since my initial order!! Let me reemphasize the fact that I had not done anything at all other than submitting my review on here and then sending in a service request on Anker's website. I did not have to speak to anyone, had no correspondences with anyone prior to receiving the new charging stand, and I definitely did not have to send in my device nor did I have to prove to them that my device was faulty by sending it in to them for servicing. I didn't have to do anything and they handled it, just like that. They even followed up shortly after with an email saying that they decided my original device was faulty and that they were checking in to see how I like the new one (which I totally do like it and it works perfectly and charges like it should, seeing as how it's capable of "fast charging" ). I told them how grateful I was and that the device worked perfectly and they thanked me for being a customer and that was that. There was no word of any sending in the old item or anything at all that I had to do on my part to complete the process. Well, except updating my review so that others can see the superior level of customer service that Anker provided, which I am more than happy to do (as you can clearly see my enthusiasm by how lengthy this review is... LOL. The time it took to write this and give my endorsement is well deserved by Anker though, because they really knocked it out of the park with this whole experience). So that is basically what went down with my first and only interaction with Anker customer support. Every other Anker product I have owned is flawless in design and overall build, and the prices they charge for their devices are actually totally and completely reasonable, and actually are kind of outstanding because that build and quality (and now their level of customer service they provide) are all things that you would normally see with much more expensive and high end products. I cannot recommend Anker enough to those pondering if they should in fact buy something made by this company. I currently own two USB-C to regular USB charging cables, a Quickcharge 3.0 wall charger, this wireless charging stand, and also the Soundcore Liberty wireless earbuds and all are amazing devices with top of the line quality of construction. So if given a choice, go with ANKER! And if you have any problems with any of their devices, then do what I did and reach out to their customer service and you will be pleasantly surprised, just as I was, at how they handle their relationships with their customer base. For the above mentioned reasons, my original one-star review is now a five-star rating, and if I could do six or more stars I probably would. Very happy customer here and they have gained some serious brand loyalty from me for life!
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Reviewed in the United States on September 19, 2019
T
Verified Purchase
tRaV
Birmingham, US
★★★★★ 5
Buying another one and realized I owed this great product a review!
Size: 1pack, Color: White
Anker seems like a brand that puts out good products. I own a number of them and when I’m selecting a charging product, I expect quality when I see an option from Anker. This product is no exception. I’ve been having trouble with my phone (Samsung Note 9, if you care) staying connected to a charging cable for some time, but I’m really not in the mood to change to a new phone. Then, quite by accident, a few weeks ago, I discovered that my phone supports wireless charging. W00t! We were cleaning out a room and discovered a wireless charging pad amongst one of my sons’ junk that they didn’t need. That charging puck lays flat but worked so well I wondered what it would take to get an upright wireless charging stand. So, I came up to Amazon and discovered this thing that should work with both my Android device or the rest of my family’s iPhones. I bought it for my desk at work and fell in love with it. It holds my phone in portrait or landscape orientation and clearly indicates that it is charging. I appreciate the charging indication because the charging puck that I had that lays flat left enough room for error that if I didn’t place the phone centered over the puck (usually a problem that only happened in the dark), then it might not charge. With this stand, though, I’ve never found a way to put the phone on it incorrectly. I don’t pay attention to the charging speed - only that it goes up at a decent rate and is better off when I pick it up. I actually thought the description said 15W when I bought it, but the charging speed hasn’t bothered me, so sorry I can’t speak to that. It seems that the claimed 10W is still 2A at 5V, so that’s still pretty good. I can use the phone while in the stand. I think that’s mostly a throwback to my charging cable days when it was a minor inconvenience to unplug and reconnect the cable. I’m slowly learning that it’s so easy to simply pick up the phone, I don’t have to worry about that minor inconvenience, anymore. It’s also worth noting that the stand seems to sit snugly on the table/desk/counter surface. So, if I’m stretching the cable and/or there’s a risk of tugging on it, the stand isn’t going to easily slip off the counter. It also holds the phone snugly. I was tempted to use this in my car, but I’m ordering a different product for my car, today, so hopefully I won’t have to try it. But, I wouldn’t be surprised with good driving habits if this thing wouldn’t sit on my dash (especially if I were to take the time to wipe the dust off my dash) and would also not easily jettison my phone off the side of the stand. It’s just a theory - I haven’t tried it… yet. I traveled with this stand, this week. It’s a rigid stand made out of plastic (all as I would expect). I was a little uncomfortable throwing it in my heavy backpack for fear that it might get broken. It survived just fine (so far), but I’m thinking that it might not be ideal for traveling. It could be shoved in my clothing much more comfortably than in my heavy backpack, I guess. I’m just afraid I might forget that it’s in my heavy backpack and drop the backpack resulting in damage to the stand, but that hasn’t happened, yet. I don’t know what else can be said for this product. It’s not very expensive and it seems to simply work. There aren’t any batteries to go bad, so I would be really surprised if my impression of the product to change, but I expect that I would be back here if it does.
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Reviewed in the United States on March 8, 2024
K
Verified Purchase
Kai Fillmore
New York, US
★★★★★ 5
Another excellent Anker product!
Size: 1pack, Color: Black, Size: 1pack, Color: Black
Light weight, compact enough to pack away for travel, and doesnt make my phone hot. I've never been much for wireless charging given its slow speed. However my phone likes to glitch when it fully dies, saying there's water in the charge port when there's no water or debris. Meaning it wont take a charge thru the type C port, thus a wireless charger became nessicary. I have 2 Anker battery packs and love them both, they're high quality, affordable, and versatile. This Anker 313 wireless charging stand is no exception to Anker's reputation for quality and durability. I've found myself using it far more than I thought I would! If you're looking for a solid stand with wireless charging this is a great choice!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2026

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