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VATRER POWER

12V 300AH Deep Cycle LiFePO4 Lithium Battery(Self-Heating & APP Monitoring)

Based on 61 reviews
Condition: New
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$599.99
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Availability: 20 left in stock
Fulfilled by VATRER POWER
Arrives Tuesday, Nov 3
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At a glance

Condition
New
Size
1 Pack
Set
12V 300AH Heating
Model
LM12300
Dimensions
15.12"D x 7.64"W x 9.76"H
Weight
24.8 kg
Voltage
12 volts
In the box
12V 300AH LiFePO4 Lithium Battery with Self-Heating & APP Monitoring

Features 7

  • Self-Heating FeatureAfter charger connection and with charging current exceeding 10A, the BMS continuously monitors battery temperature. Should the temperature drop below 0C (32F), the auto-heating mode activates, drawing power from the charging current for the internal heating film. The heating system deactivates instantly, and standard charging resumes when the temperature rises to 5C (41F).
  • BMS ProtectionTo keep the battery safe, durable and working at its best while charging and discharging, the integrated BMS offers a full set of protective functions. It includes protection against overcharging, over-discharging, overcurrent, short circuits, extreme temperatures, abnormal voltage, along with intelligent cell balancing.
  • Wide ApplicationBoasting large capacity and steady 12V DC output, this 12V 300Ah lithium battery is ideal for devices needing long-duration power. It perfectly fits RVs, campers and marine vessels to run lights, microwaves, refrigerators and other onboard appliances. Additionally, it works well for off-grid solar setups and household backup power systems. Paired with an inverter, it can supply power to computers, TVs, mobile phones and more, delivering consistent and reliable power round the clock.
  • APP MonitoringOnce you install the dedicated APP, you can keep track of core battery data in real time, such as remaining capacity, voltage, current, power, fault alerts and temperature. This allows you to fully and clearly check the battery operating status.

Specs 21

Brand VATRER POWER
Vehicle Service Type Boat, Home Energy Storage, Marine, Off-Grid, RV, Solar System, Van, Yacht, etc.
Size 1 Pack
Voltage 12 volts
Battery Cell Composition Lithium-Phosphate
Item Weight 24.8 kg
Product Dimensions 15.12"D x 7.64"W x 9.76"H
Terminal M8

Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Nov 3

This item is non-returnable:

Non-returnable. Transportation of this item is subject to hazardous materials regulation

View our full returns policy here.

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Top Amazon Reviews

This thing is a beast.
Size: 1 Pack Set name: 12V 300AH Heating
So far its exceeded all expectations. I installed this in my RV and took it on its first boondock outing of 4 days id say with heavy use running a cpap every night, fans and lights regularly. an inverter for appliances on occasion. Returned home with about 70% remaining with the app stating at my usage rate i'd last another 110 hours. Thats a massive upgrade from the previous lead acid i was using. Its large, i found a group 32 battery box to fit it which was probably the more difficult task of it all. Installation was very easy. It does come with large screw in terminals for various types of connectivity which is great but i used the included terminal screws that keep it as flat as i could for the battery box cover. Charging through my RV does take quite awhile, I had gotten about 140amp hours recovered in 8 hours. The app worked great and is super convenient to pop in and out checking the status, it operates on bluetooth which means it will also work if you are out of service areas which we usually are, it finds the battery instantly and gives you live stat updates. Best upgrade ive made to my camper so far. ... show more
Reviewed in the United States on September 8, 2026 by Ragz
Great purchase
Size: 1 Pack Set name: 12V 300AH (APP View)
Very nice battery - well made case, and very compact for a 300 Ah capacity. Shipping was fast and the battery was packed in highly protective foam and the cardboard box itself was very heavy duty. I'm very impressed. The blue tooth software app is also convenient and useful. You can see the health of each cell individually. On mine, the cells were perfectly balanced and have remained so. I'd buy it again without hesitation. ... show more
Reviewed in the United States on October 14, 2026 by Tmac
New Purchase Review
Size: 1 Pack Set name: 12V 300AH Heating
The battery arrived on time, and the item was well-protected. Completed the RV conversion from lead acid to LiFePO4 with no issues. Switched the onboard power station converter/charger to lithium, and the battery charged fully from 51% to 100% in under 4 hours with shore power. The Bluetooth app and connection to the battery worked well with plenty of range. It is not light, but it is lighter than the two 6V batteries it replaced. I am looking forward to boondocking with it next. That will be the true test for how I will like the battery going forward. Vatrer customer service answered the email questions I had with the install overnight, which worked out fine for me. So far, I am fully satisfied. Hope to be saying that years from now. ... show more
Reviewed in the United States on August 9, 2026 by AZ Andy K
Solid Battery - Quick Delivery
Size: 1 Pack Set name: 12V 300AH (APP View)
Recently purchased a Vatrer 300Ah LM12300 battery for my fifth wheel trailer to replace my lead acid battery. First of all, the battery arrived 7 days earlier than expected (5 days after placing order). Second, the battery was well packaged and arrived in perfect condition. The battery is the non-self heating version (since I live in Florida) but includes the Bluetooth ability. It was very easy to replace the lead acid battery with the Vatrer battery and just had to switch over from lead acid to lithium on my converter. The battery came 52% charged and immediately began charging via the solar panel. The Bluetooth capability is well worth the few extra dollars and the Vatrer app can be downloaded for Apple or Android from the Google Playstore. I was able to see the current status of the battery and verify that the battery was charging via the solar charger. My future plans are to eventually install an inverter, additional solar panels and adding another Vatrer 300Ah battery. Would highly recommend the Vatrer brand of batteries. ... show more
Reviewed in the United States on March 6, 2026 by Slogans
Kick butt power storage
Size: 1 Pack Set name: 12V 300AH (APP View)
I bought one for my home power backup system. It worked great so I bought a second one connecting it in parallel. These replace 5 lead acid batteries that were aging and not storing as much power. My solar panels provide around 55 amps to the batteries in bright sunlight. The iPhone application displays battery status clearly. I am very happy with these batteries! ... show more
Reviewed in the United States on October 5, 2026 by WW
Incredible Battery for the money. Lives up to the Ah rating from the factory.
Size: 1 Pack Set name: 12V 300AH (APP View)
Absolutely fantastic battery. Purchased it as a direct replacement for my existing 2 x Optima Yellowtop's which my boat stereo was draining in under 1 hour. This battery is seriously impressive. It will run the same overbuilt stereo which features a total of 4 x Skar Audio Amplifiers (mix of mono-blocks and 4-channel stereo), 12 x Wetsounds 6 1/2" speakers, and 6 x 10" subwoofers. It power the same exact stereo only taking 12-15% of the total AMP Hours per 3 hours of use. That is absolutely incredible. Very happy with this battery as a stereo battery. Can't rate it for a starting battery, but it's supposedly up for that task also. Apple IOS app also works great. ... show more
Reviewed in the United States on May 28, 2026 by Justin Pickering
You won't regret it!
Size: 1 Pack Set name: 12V 300AH (APP View)
Amazing battery, fast shipping, worth every penny!
Reviewed in the United States on October 5, 2026 by Arlin James Roper
Beast of a battery
Size: 1 Pack Set name: 12V 300AH (APP View)
Well built battery and great performance. Love the blue tooth app monitoring. Wish you didn't have to "connect to bluetooth" (within the app) every time you want to check on the status - this should be automatic (at least provide the option). I am using it to power an inverter in my RV to run the frig and AC (AC for short periods of time ~2.5 hrs) while traveling between camp sites. ... show more
Reviewed in the United States on September 19, 2026 by P. Aldrich
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