0 ratings
12V 100Ah Lithium LiFePO4 Deep Cycle Rechargeable Battery | 2000-5000 Life Cycles & 10-Year Lifetime | Built-in BMS | Perfect for RV, Solar, Marine, Overland, Off-Grid Applications
Unmatched Technology: The ECI Power LiFePO4 battery is designed to meet the needs of modern energy applications while exceeding performance comparable to even the most expensive batteries on the market.
12V 100Ah Lithium LiFePO4 Deep Cycle Rechargeable Battery | 2000-5000 Life Cycles & 10-Year Lifetime | Built-in BMS | Perfect for RV, Solar, Marine, Overland, Off-Grid Applications
Item #: 220833742

12V 100Ah Lithium LiFePO4 Deep Cycle Rechargeable Battery | 2000-5000 Life Cycles & 10-Year Lifetime | Built-in BMS | Perfect for RV, Solar, Marine,

Item #: 220833742

BND 429

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store

QTY:

Order now and get it around Saturday, August 22
Our Top Logistics Partners
  • fedex
  • dhl
Unmatched Technology: The ECI Power LiFePO4 battery is designed to meet the needs of modern energy applications while exceeding performance comparable to even the most expensive batteries on the market.
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified


paypal payment
visa payment
mastercard payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Long Life Cycles
With 2000-5000 life cycles, this battery ensures longevity and cost-effectiveness, significantly outlasting traditional lead-acid batteries.
Built-in BMS
The integrated Battery Management System (BMS) enhances safety and performance, preventing overcharging and optimizing battery health for reliable operation.
Versatile Applications
Designed for RVs, solar setups, marine use, and off-grid applications, this battery meets diverse energy needs, making it ideal for adventure enthusiasts and eco-conscious consumers.

Product Details

Shop 12V 100Ah Lithium LiFePO4 Deep Cycle Rechargeable Battery | 2000-5000 Life Cycles & 10-Year Lifetime | Built-in BMS | Perfect for RV, Solar, Marine, Overland, Off-Grid Applications online at a best price in Brunei. B0973JM74D
Number of Batteries1 Lithium Ion batteries required.
BrandECI Power
Model NumberECI12100
Model Namelifepo4
UPC840140943184
ManufacturerExpertPower
Battery Capacity100 Amp Hours
Voltage12.8 Volts (DC)
ReusabilityRechargeable
Amperage100 Amps
Unit Count1 Count
Battery Weight22.6 Pounds (10.25 kg)
Item Weight22.6 Pounds (10.25 kg)
Battery Cell TypeLithium-Phosphate
Battery Cell CompositionLithium-Phosphate

Dangerous Goods

To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.

Who Should Buy?

Suitable For
  • RV Owners

    Ideal for RV enthusiasts requiring reliable, long-lasting power for appliances during extended travels and camping trips.

  • Solar Users

    Perfect for solar energy systems needing efficient storage solutions to power homes or recreational activities off-grid.

  • Marine Enthusiasts

    Designed for boaters who need dependable battery life for navigation, fishing, and other on-water activities.

Not Suitable For
  • Budget Consumers

    Not suitable for those seeking inexpensive battery options since it requires a higher initial investment.

Product Description

12V 100Ah Lithium LiFePO4 Deep Cycle Rechargeable Battery | 2000-5000 Life Cycles & 10-Year Lifetime | Built-in BMS | Perfect for RV, Solar, Marine, Overland, Off-Grid Applications

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What are the main features of the ECI Power 12V 50Ah Lithium LiFePO4 Deep Cycle Battery?

    Answer: The ECI Power 12V 50Ah Lithium LiFePO4 battery is designed for high performance, featuring a built-in Battery Management System (BMS) that ensures safety and efficiency. It boasts a lifespan of 2000 to 5000 life cycles, making it ideal for long-term use. This battery is perfect for applications like RVs, solar systems, and marine uses, providing consistent power and reliability for various energy needs.
  • Question: How does the built-in BMS enhance the performance of the ECI Power battery?

    Answer: The built-in Battery Management System (BMS) plays a crucial role in optimizing the performance of the ECI Power battery. It monitors the battery’s voltage, current, and temperature, ensuring safe operation and preventing overcharging or deep discharge. This means you're not only getting maximum efficiency but also enhancing the lifespan of the battery, making it suitable for demanding applications like RVs where reliability is key.
  • Question: What makes lithium LiFePO4 batteries superior to lead-acid batteries?

    Answer: Lithium LiFePO4 batteries, like the ECI Power model, offer several advantages over traditional lead-acid batteries. They have a higher energy density, meaning they store more energy in a compact size. Additionally, they can discharge deeper without damage, provide faster charging, and weigh significantly less. For users needing efficient energy solutions in space-limited areas such as RVs, these benefits are invaluable.
  • Question: How many life cycles can I expect from the ECI Power 12V 50Ah battery?

    Answer: The ECI Power 12V 50Ah LiFePO4 battery has an impressive lifespan, offering between 2000 to 5000 life cycles depending on usage and conditions. This longevity means that users can rely on this battery without frequent replacements, making it a cost-effective solution for powering your RV, solar panels, or off-grid adventures.
  • Question: Can I use the ECI Power battery for off-grid solar setups?

    Answer: Yes, the ECI Power 12V 50Ah lithium battery is an excellent choice for off-grid solar setups. Its capacity allows it to store energy efficiently during the day and provide power during the night or cloudy days. The long life cycle means you can depend on this battery season after season, making it a reliable partner for your green energy solutions.
  • Question: Is the ECI Power battery suitable for marine applications?

    Answer: Absolutely! The ECI Power 12V 50Ah LiFePO4 battery is ideal for marine applications due to its lightweight design and high efficiency. It withstands harsh marine environments and performs exceptionally well in powering boats, ensuring ample energy for navigation and leisure activities. Users can trust in its durability and performance on the water.
  • Question: What maintenance is required for the ECI Power 12V 50Ah battery?

    Answer: The ECI Power 12V 50Ah LiFePO4 battery requires minimal maintenance compared to other battery types. Regularly monitoring the battery’s state of charge and ensuring it is kept within operational temperature ranges will help maximize its lifespan. This hassle-free maintenance fits perfectly for hassle-free users, especially in RV or remote setups.
  • Question: How does temperature affect the ECI Power lithium battery performance?

    Answer: Temperature significantly affects battery performance. The ECI Power 12V 50Ah battery operates efficiently in a range of temperatures, but extreme conditions may impact its capacity and lifespan. It's advised to store and use the battery within the recommended temperature range to ensure optimal performance during use, particularly in outdoor applications like camping or RV travel.
  • Question: Where can I buy the ECI Power 12V 50Ah lithium battery?

    Answer: You can conveniently purchase the ECI Power 12V 50Ah Lithium LiFePO4 Deep Cycle Rechargeable Battery from Ubuy in Brunei. They offer a variety of products, and you can easily find this battery tailored for your specific needs, whether for RVs, solar systems, or marine uses.

ECI Power 12V ECI12100 Editorial Review

The 12V 50Ah Lithium LiFePO4 Deep Cycle Rechargeable Battery has garnered a mixed reception from customers, reflecting a variety of experiences that highlight its strengths and weaknesses. Many users praise the battery for its lightweight design and impressive longevity, making it an excellent choice for applications such as RVs, marine use, and off-grid living. Customers appreciate its ability to maintain voltage for extended periods without significant drops, particularly when used for powering equipment like trolling motors and other electric devices. Reports of minimal voltage drop under load further enhance its appeal, with users noting it effectively supports multiple functions all day long. On the other hand, some customers have reported issues with battery performance relating to charging and physical condition. Instances of swollen batteries and rusted retainers within months of usage have been concerning for a few users, indicating that product quality may not always meet expectations. However, the company's customer service response has been relatively positive, with some customers being fully refunded when they encountered significant issues. Overall, while the lithium battery offers many benefits in terms of weight, efficiency, and lifecycle, potential buyers should be aware that inConsistencies in quality may arise. Users looking for a durable and long-lasting power source should weigh the positive performance of some units against the negative experiences reported by others. **

Customer Reviews & Ratings

1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Pros

  • Lightweight and easy to handle
  • Excellent for prolonged usage with minimal voltage drop
  • Durable performance in various applications including RVs and marine
  • Long life cycles and a projected lifespan of 10 years

Cons

  • Instances of battery swelling and rusting of retainers

Platform Trust & Buyer Confidence

trustpilot logo
4.2/5 9250 + reviews
Read reviews
MA
Mohammad
Verified buyer

“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer

“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
K
kund
Verified buyer

“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer

“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer

“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.