TCBWORTH 12V 100Ah LiFePO4 Lithium Battery 100A BMS Group 31 for RV Solar Marine Camping
12V 100Ah LiFePO4 Lithium Battery,100A BMS,TCBWORTH Group 31 Battery for RV,Solar,Marine,Camping,Trolling Motor,off-Grid,Backup Power,Motorhome,15000+Deep Cycles
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TCBWORTH

12V 100Ah LiFePO4 Lithium Battery,100A BMS,TCBWORTH Group 31 Battery for RV,Solar,Marine,Camping,Trolling Motor,off-Grid,Backup Power,Motorhome,15000+Deep Cycles

225 ratings

Key item features

  • Robust Performance: This 12.8V 100Ah LiFePO4 battery features automotive-grade A cells, offering high energy density and enhanced safety with protection against overcharge, over-discharge, over-current, and short circuits.
  • Integrated Protection: Equipped with an automatic 100A BMS, the battery is safeguarded from over-charge/discharge, over-current, short-circuiting, and includes high/low temperature cut-offs for extended life.
  • Extended Lifespan: Providing over 15,000 deep cycles (4000 cycles at 100% DOD), this LiFePO4 battery boasts a remarkable 10-year lifespan, significantly outperforming conventional lead-acid batteries.
  • Versatile Connectivity: Supporting series and parallel connections up to 4P4S, it allows for a 48V 400Ah system with a maximum energy of 20.48kWh and a maximum load power of 20.48kW.
  • Broad Applications: Ideal for RVs, solar systems, marine use, camping, and trolling motors (30-55 lb thrust), this battery is designed for diverse off-grid and backup power needs.
  • Temperature Resilience: Upgraded with a low-temperature cut-off function, it operates safely across a wide temperature range from -20°C to 60°C (-4°F to 140°F).
  • Compact Dimensions: The battery measures 6.93"D x 13.07"W x 8.66"H and weighs 19.8 pounds, fitting seamlessly into BCI Group 31 battery boxes.
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Specs

Bci group number, 31Automotive battery type, LiFePO4,LithiumBattery post location, Top PostVolts, 12.8 VBrand, TCBWORTHReserve capacity, 1 min

About this item

Product details

TCBWORTH deeply committed to delivering excellent durable Grade A Cells LiFePO4 batteries for more applications. The 12.8V 100Ah BCI Size Group 31 LiFePO4 battery have a tough exterior, it is built to last.with a built-in 100A BMS, it's protected from overcharging, over-discharging, over-current, and short-circuiting, as well as high-temperature cutoff. LiFePO4 battery is 50% lighter and 10 times longer than a lead acid battery with the same capacity We provide a 5 years warranty & 10 years lifespan. Anything feel free to contact us.
  • 【Great Performance-Automotive Grade A Battery】 TCBWORTH 12.8V 100Ah LiFePO4 battery,with overcharge, over-discharge, over-current and short circuit,Lithium iron phosphate battery has high energy density, Long cycle life, great safety performance.
  • 【Automatic 100A BMS Protection】The built-in 100A BMS Battery Management System (BMS) protects your battery from Over Charge and Discharge, Over Current, Short Circuiting, as well as Low and High Temperature for increased performance and longer life.Built-in high-temp,low-temp cut off prevents charging/ discharging When the temperature reaches a certain threshold value.
  • 【10 Years Lifetime】 TCBWORTH 12.8V 100Ah LiFePO4 battery provides up to 15000+ deep cycles (10 times longer) 4000 Time Cycles at 100% DOD. Contrasting conventional lead-acid batteries（3-year lifespan, 300-500 cycles), this 12.8V 100Ah LiFePO4 battery with a remarkable 10-year lifespan.
  • 【BCI Group 31 Battery】This 12V 100Ah with maximum performance, tailor-made to seamlessly fit BCI Group 31 battery boxes. this battery is perfect for efficient solar energy storage systems and RV camping.
  • 【Series & Parallel Connection for Larger Capacity】With a capacity of 100Ah and a Max. load power of 1280W, 12.8V 100Ah Lifepo4 Batteries support series or parallel connecting. it supports up to 4P4S for a 48V 400Ah battery system with Max. energy of 20.48kWh and Max. load power of 20.48kW, capable of powering a wide range of loads.
  • 【Wide & Safe Applications】This 12.8V 100AH RV Battery widely uses in most areas such as: caravans, camping cars, medical equipment, RVs and electric scooters, solar systems, marine, industrial,hunting, lawn and garden tools etc.(do not use it for golf carts.) especially ideal for 30-55 lb thrust trolling motors.
  • 【Low Temp Cut-off】TCBWORTH Group 31 100A Battery upgraded with a low-temperature cut-off function to ensure safe use in low-temp environments,operates in a wide temperature range (-4℉ to 140℉ / -20℃ to 60℃).
  • 【5 Years Warranty & Service】We provide 5 years-after-service for this 12V 100Ah Lithium battery with responsive and satisfying customer-service. A proper solution will be provided to any problem about the delivery, battery and the item's quality within 24hrs in working days.
  • Item Specifications
  • Brand: TCBWORTH
  • Item Weight: 19.8pounds
  • Product Dimensions: ‎6.93"D x 13.07"W x 8.66"H
  • Certificate: CE ROHS MSDS UN38.3
  • BCI Size: Group 31
  • Rated Voltage: 12.8 Volts
  • Battery Capacity: 100Ah
  • Battery Power: 1280 W
  • Charging Voltage:14.6V
  • Terminal Type: M8
  • Number of Series and Parallel Connection: 4P4S
  • Vehicle Service Type:RV, Trolling motor, Boat,etc.
  • Charge Temperature Range: -5°C to 45°C/ 32°F to 113°F
  • Discharge Temperature Range: -20°C to 60°C/-4°F to 140°F
info:
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Specifications

Bci group number

31

Automotive battery type

LiFePO4,Lithium

Battery post location

Top Post

Volts

12.8 V

Warranty

Warranty information

TCBWORTH Service Center is committed to providing the best after-sales service for every customer. 1. From the date of purchase and within 10 years, if our products have quality problems and cannot work normally, we can provide refund services. 2. From the date of purchase and within 10 years, If our product fails to work normally, the consumer assists us in completing all the battery testing, and both parties confirm that the product does have quality problems, we will send the new product to the consumer for free. 3. If you encounter any questions when using the product, please feel free to contact us, we will provide 24-hour customer service. 4. Please read the product manual carefully before installing and using the product. If the consumer fails to install, use and maintain the product correctly in accordance with the requirements of the instruction manual, which causes serious quality problems in the product, it is not covered by the warranty. Please don’t hesitate to contact us by our email box: wm19066391781@163.com if you have any question. Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Customer ratings & reviews

4.2 out of 5 stars
stars
225 ratings98 reviews
Includes global ratings and reviews
How item rating is calculated
  1. 5 stars70% (158)
  2. 4 stars9% (21)
  3. 3 stars4% (10)
  4. 2 stars1% (2)
  5. 1 star15% (34)

Reviews summary

Pros

  • : Holds charge for extended periods.
  • : The battery holds charge several hours to run a 30lb unit.
  • : Weighs less than traditional batteries.
  • : The unit costs match lead-acid models and carry discounts.

Neutral

  • : Device runs long on many units but some fail to charge.
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Showing 1-3 of 98 reviews

Aug 31, 2026
Reviewer name: roland
Top Reviewer
Sold and shipped byTCBWORTH OFFICIAL STORE
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

lightweight

haven't used them yet cuz I ordered them and my other battery stores okay so we'll see but they sure are light

Helpful?25UEM07S3KAQ5404135513
Aug 6, 2026
Reviewer name: anonymous
Sold and shipped byTCBWORTH OFFICIAL STORE
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

So far at this point, I've had it for a month. I've used it quite a bit on the fishing boat and it has been working excellent. Would I recommend it?Well?That's questionable because I haven't had it that long

Helpful?25UEM07S3KAQ5404135513
Jun 14, 2026
Reviewer name: JAMES
Sold and shipped byTCBWORTH OFFICIAL STORE
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Trolling

Works great holds the charge well fits great trolling motor

Helpful?25UEM07S3KAQ5404135513
Current price is $155.99
Price when purchased online
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Sold and shipped by TCBWORTH OFFICIAL STORE
4.309803921568627 out of 5 stars
4.3 stars out of 5, based on 255 seller reviews(4.3)
Extended holiday returns
Free Holiday returns until Jan 31