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12V 100Ah Slim LiFePO4 Lithium Battery,1280Wh 15000+ Deep Cycle 100A BMS 12V Small Mini Lithium Battery Ideal for RV,Solar,Off-Grid Systems,Home Energy Storage

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$143.26 Why this price?
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Availability: In Stock.
Fulfilled by YEAGULCH

Arrives May 23 – May 25
Order within 23 hours and 50 minutes
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Size: 12V 100Ah 9.0×5.67×8.19 inch


Features

  • Compact and efficient: Yeagulch ultrathin 12V 100Ah LiFePO4 lithium battery weighs only 19.93 pounds and measures 9.0 * 5.67 * 8.19 inches (Group 22NF). 12V 100Ah lithium battery has a capacity of 1280Wh and an energy density 22% higher than traditional batteries. Its compact size makes it ideal for small spaces and portable power needs, suitable for camping, solar energy storage systems, and off grid installations.
  • Yeagulch Slim 12v 100ah Battery Management System (BMS) provides comprehensive protection: Yeagulch ultrathin 12V 100Ah Lifepo4 battery is equipped with a built-in 100A BMS system to ensure optimal protection against overcharging, overdischarging, overcurrent, short circuits, and extreme temperatures (ranging from -4 F to 158 F). The system can also balance battery voltage to achieve optimal performance and provide reliable energy in various environments.
  • Long lasting high-quality LiFePO4 battery: Yeagulch 12V Ultrathin deep cycle lithium battery is made of high-quality LiFePO4 cells and has deep cycling capability, providing reliable power for various extended applications. It supports up to 4000 cycles under 100% DOD conditions and up to 6000 cycles under 80% DOD conditions, with significantly better performance than traditional lead-acid batteries that can only provide 200-500 cycles.
  • Scalable energy configuration: Yeagulch 12V 100Ah lithium iron phosphate battery supports series/parallel connection and can support up to 4S4P configuration, allowing you to build a powerful 48V 400Ah energy system. This product is very suitable for expanding existing solar generators or power bank equipment. It is constructed with sturdy ABS material and can withstand continuous discharge currents of up to 100A, making it suitable for various harsh application scenarios.
  • Attention: Under different temperature/humidity measurement methods and instruments, there may be a deviation of 1% to 5% in voltage and current. Charge and discharge the battery every 3-6 months to prevent damage caused by long-term idle. Please note that this Yeagulch LiFePO4 batteries is only suitable for energy storage purposes and should not be used as a starter battery, golf cart battery, or starter. We do not recommend using it to start any devices!

Brand: yeagulch


Size: 12V 100Ah 9.0×5.67×8.19 inch


Voltage: 12.8, 12.8 Volts


Unit Count: 1.0 Count


Manufacturer: yeagulch


Number of Items: 1


Voltage: 12.8, 12.8 Volts


Size: 12V 100Ah 9.0×5.67×8.19 inch


Brand Name: yeagulch


Manufacturer Part Number: YS95400


Model Number: Ultrathin 12V 100Ah


Manufacturer: yeagulch


Unit Count: 1.0 Count


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: May 23 – May 25

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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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews


  • What a deal
Size: 2 PCS 12V 300Ah 15.16×7.6×9.84 inch
In service 4 months now and NO issues I use these full time 24 7 and at this price point you can’t go wrong. Only time will tell the rest of the story.
Reviewed in the United States on April 9, 2026 by Michael J Rourke

  • A good deal, excellent battery
Size: 12V 600AH 25.19×9.64×8.86 inch
Seems to be an excellent deal. I moved from 5 200AH batteries to 4 of these 600AH batteries. Packaging was excellent. Batteries had tome heft but were easily managable by one person. I was able to use the same battery cables as the previous batteries even though I removed one. These are a bit longer than the previous ones but still fit in the storage bay of my Class A motorhome. We have had a couple of short power outages this winter and I did not have to worry about losing power to the coach with the extra capacity these bring. They leveled up on charge quickly Without BlueTooth capability it's not possible to check indvidual batteries but my Victron system shows the proper capacity and the batteries recharge quickly after use. ... show more
Reviewed in the United States on March 18, 2026 by ProductReview mg

  • issue with one of them
Size: 2 PCS 12V 300Ah 15.16×7.6×9.84 inch
one battery didn't work, customer service responded quickly.
Reviewed in the United States on April 25, 2026 by K H.

  • Internal BMS Top Balancing Problem
Size: 12V 100AH 12.8×6.5×8.46 inch
I purchased a 100 ah Yeagulch LiFePO4 Lithium Battery in February 2026. It came roughly 40% charged. I put in on a Nico Genius 10 amp charger for the recommended period before attempting to use it. The first few times I used the battery were extremely low load exploratory exercises. I was shocked when the battery readout quickly went from fully charged to 20% in less than 2 hours with nothing more than a cell phone and and an Ipad USB connected. Neither device was below 30% capacity. So it was unreasonable that such low loads would drain nearly 80% of the 100 ah Yeagulch capacity. At first I believed it was something I was doing wrong either in the way I built my DIY box or I maybe had a bad amp reader. It was when I researched the issue more aggressively I first learned of the problem that some BMS units do not properly balance the cells inside their lithium batteries. In such cases the defective lithium batteries behave similarly to the one I purchased. Namely, they show fully charged on a charger's reading and on any amp reader present prior to adding any load. But as soon as one attaches a load, the defective lithium batteries begin depleting at shockingly fast rates well above what any attached load's draw down should produce. It took me until April 6th to figure learn about this possible defect with some BMS systems. But wait...There's more! Since I didn't discover the problem until after the return window had closed, apparently I will now have to eat the entire cost of purchasing this product that was defective from before day one. Now here's a real kicker! There is a fix for this defect in a lithium battery's BMS. It requires opening the case of the defective battery and adding a component called a 'balancing board.' But like many, I am a DIY amateur in the buildout and usage of DIY lithium power units. I can't imagine having to do such a repair to rescue a brand new lithium battery. Furthermore, opening the case will most certainly void any existing warranty on the product. So now, I'm left with three unpleasant options. Either I accept I now own a completely diminished product because I got taken to the cleaners on a bad purchase or I step into deeper water in the lithium battery repair world than someone like me should have to do or I pay someone whose more qualified to repair my still new but defective lithium battery. I know I'm not the only person in this position. If Amazon is allowing battery sellers to sell lithium battery products to their customers that are represented as complete and ready-to-use; but with significant hidden cell imbalance defects and under the umbrella of buyer-beware then here is what I recommend. Whenever you buy a battery from Amazon, have it tested immediately. If it even remotely appears to be sketchy or underperforming, return it pronto, without remorse and let others know about your experience. So far, this has been the worse purchase I have ever made through Amazon. ... show more
Reviewed in the United States on April 7, 2026 by Philip Cherry III

  • Great quality!
Size: 2 PCS 12V 300Ah 15.16×7.6×9.84 inch
Great quality batteries! They shipped fast and arrived sooner than anticipated, which was awesome. I had a few questions and the seller answered quick and was super helpful. 10/10 service. Great value for the price! Batteries work as they should, no complaints.
Reviewed in the United States on January 15, 2026 by Caitlin

  • Great Power
Size: 12V 300Ah 15.16×7.6×9.84 inch
Weighs roughly 60 Pounds. It works great. The Power is amazing and the quality is amazing. I’m running 200 Watts Solar with a small house fan and charging my phone. The size is a little bigger than I imagined but that’s my fault. I will be ordering at least one more 300 Amp battery. I’m definitely positive this will help achieve what I’m going to accomplish. ... show more
Reviewed in the United States on September 14, 2025 by Dave777

  • Exceeding my needs.
Size: 12V 100AH 12.8×6.5×8.46 inch
I used one of the 100 Ah 12.8 V models to build an off-grid solar power rig. I have not load tested to know if it truly hits the 100 Ah level, but it is easily exceeding my current needs. It will accept as much power as my charge controller and panels can dish out (about 30-35 amps) until it fills, so it charges quite well and quickly. I've been able to leave my inverter on 24/7 without any concern about the drain. They included two sets of post bolts in the package, so you have spares if you damage or drop one. Post bolt caps are also included. They appear to be either 8mm or 5/8", not sure, haven't checked which, but they fit nicely into the commonly-used ring terminals. I was able to connect it with a battery post fuse to a DC fuse block to connect it to my miscellaneous DC loads. Going to be adding more loads in the coming weeks, including lighting, computer networking equipment and two-way radios and may update this as the demands for after-hours power grows. ... show more
Reviewed in the United States on September 13, 2025 by Glenn C. Lasher Jr.

  • Havnt tested it yet but will update as soon as it’s installed
Size: 12V 600AH 25.19×9.64×8.86 inch
So far so good I havnt installed this in my van yet but it will be connected soon the voltage was right where instructions said it would be so far so good only giving four stars for now I will update this with a proper review once I have fully charged this item an tested it and if everything is great I will hands down be buying another ... show more
Reviewed in the United States on January 15, 2026 by Gregory ferraro

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