SKU: 70939898685

RELiON RB300 LiFePO4 12V 300Ah Lithium Battery - Waterproof, 10 Year Warranty, Ideal for Marine, RV, Off Grid - Blue

$1270.32 $1411.47
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Description

RELiON RB300 LiFePO4 12V 300Ah Lithium Battery - Waterproof, 10 Year Warranty, Ideal for Marine, RV, Off Grid - BlueThe RELiON RB300 is a high performance lithium iron phosphate battery designed to replace traditional lead acid batteries in sailboats, RVs, and solar energy systems. Weighing only 82 lbs, this 300 Amp Hour lithium battery offers a lightweight solution without compromising on power or reliability. Constructed with durable plastic materials, the RELiON RB300 is engineered for optimal performance and longevity. This battery delivers 100% of its rated

The RELiON RB300 is a high-performance lithium iron phosphate battery designed to replace traditional lead-acid batteries in sailboats, RVs, and solar energy systems. Weighing only 82 lbs, this 300 Amp Hour lithium battery offers a lightweight solution without compromising on power or reliability.

Constructed with durable plastic materials, the RELiON RB300 is engineered for optimal performance and longevity. This battery delivers 100% of its rated capacity, ensuring you have the energy you need for your adventures. Its advanced technology allows for fast charging, making it an ideal choice for those who require quick replenishment of power. The RB300 is also designed to function effectively in various environmental conditions, proving to be a reliable energy source whether at sea or on the road.

Key Features:
  • Lightweight Design: At only 82 lbs, the RELiON RB300 is significantly lighter than traditional lead-acid batteries, enhancing both performance and agility.
  • Fast Charging: This lithium battery charges much faster than lead-acid alternatives, allowing for quicker turnaround times when recharging.
  • Maintenance-Free: Enjoy hassle-free operation with no need for watering or corrosion management, making it ideal for busy lifestyles.
  • Partial State of Charge Tolerance: The RB300 performs well even when not fully charged, ensuring longevity and reliability in various usage scenarios.
  • Temperature Tolerance: Capable of operating safely in extreme temperatures, this battery is 2.5 times more efficient at low temperatures than lead-acid batteries.
  • Durable Construction: Made from high-quality plastic, the RELiON RB300 is built to withstand the rigors of marine and outdoor environments.
  • Longer Lifespan: With up to 10 times the lifecycle of traditional batteries, this lithium option is a cost-effective solution over time.

The RELiON RB300 lithium iron phosphate battery is an excellent choice for boaters, RV enthusiasts, and solar power users who seek a lightweight, efficient, and dependable energy solution. Its superior charging capabilities and maintenance-free design make it well-suited for those looking to enhance their power systems without the burden of heavy lead-acid batteries. Invest in the RELiON RB300 for a reliable, high-capacity battery that meets your energy needs effectively.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • 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: 70939898685

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4.8 ★★★★★
Based on 171 reviews
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Verified Purchase
Therapy by the Sea
Draper, US
★★★★★ 4
EXCELLENT FEET MOISTURE PROTECTION
Size: S (up to size 7)-Beige, Size: S (up to size 7)-Beige
Why did you pick this product vs others?: I have burns on my feet and needed something that I could put burn creme on and still walk around in with. I tried other silicone footsie but they would teae really easily. So far these are doing really well for this purpose. They are holding their shape too. The only caution I have is the same with all silicone footsies: They can be slippery on wet floors, so also wear with socks over them. The biggest issues is when they say a size they mean it. The silicone used in these have little give in them, so they won't stretch out and loose their shape. That can be a good thing, or not so good, depending on how well they fit your feet and what your intent is with wearing these. The other issue is if they fit snug around those toes, that tends to be where the first tear in the material will happen. Because of how these are made, the tear is actually more like cracking in the material and once it occurs you won't be able to get much use out of the sock after that. If you are planning to wear them around the house or for long term use, I suggest going up a size or look for the toeless options.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 5, 2025
S
Verified Purchase
Shawna
Grantham, US
★★★★★ 3
Silicone socks
Size: M (up to size 9)-Beige
The socks are sized large. The quality of the silicone is good. But they slide around on your feet if you try to walk, making them difficult to use and a bit uncomfortable. Unless you are able to sit for long periods of time the likely will not work well. Recommend looking for a better value.
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Reviewed in the United States on October 27, 2024
A
Verified Purchase
Ann
Carnegie, US
★★★★★ 5
Effective
Size: L (up to size 11)-Pink
Fantastic. I put lotion on my feet & wear them when I go to sleep. I often wake up during the night and will remove them to find my feet soft and smooth. They are strong and fit my size 10 womens’ size.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 27, 2026
S
Verified Purchase
Stacy
Birmingham, US
★★★★★ 1
The shoe size should be smaller 9 is the max and it is still to tight
Size: M (up to size 9)-Beige, Size: M (up to size 9)-Beige
Very tight had to take off my feet in the middle of the night they were cutting off my circulation.
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Reviewed in the United States on February 17, 2026
M
Verified Purchase
michele p.
San Leandro, US
★★★★★ 5
Great product to keep moisture in
Size: M (up to size 9)-Beige
These are so cool. I was skeptical at first. After an at home pedicure I put lotion on and keep these on for about a few hours. The moisture retention, and comfort and fit or absolutely amazing!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 24, 2025

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