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RELiON RB100 12V 100Ah LiFePO4 Lithium Battery Group 31

Manufacturer

Relion

<h3>About RELiON Battery</h3><p><strong>RELiON Battery</strong> launched in 2014 with a clear mission: bring lithium iron phosphate (LiFePO4) battery technology to everyday adventurers, boaters, golfers, and off-grid enthusiasts across the globe. Headquartered in Menomonee Falls, Wisconsin, and now part of the Brunswick Corporation family of brands, RELiON has grown into one of the most recognized names in the LiFePO4 battery space — trusted by weekend campers and commercial operators alike.</p><h3>Why LiFePO4 Technology Matters</h3><p>Not all lithium batteries are created equal, and RELiON has built its reputation on the specific chemistry that matters most for deep-cycle applications: lithium iron phosphate. Compared to traditional lead-acid batteries, RELiON's LiFePO4 cells are significantly lighter, charge faster, and deliver far more usable capacity over their lifetime. RELiON batteries are engineered to cycle 3,500 to 5,000 times or more — a lifespan that can be up to ten times longer than a conventional lead-acid unit. They're also completely maintenance-free: no watering, no corrosion checks, and no worry about partial states of charge degrading performance over time.</p><p>Safety is another hallmark of the LiFePO4 chemistry. RELiON batteries carry critical industry certifications including UN38.3, CE, IEC, UL2580, and UL2271, giving buyers confidence that their battery has been rigorously tested before it ever reaches the field.</p><h3>Marine Applications</h3><p>On the water, weight and reliability are everything. RELiON's marine battery lineup spans 12V, 24V, and 36V configurations, making them suitable for everything from kayak fish finders and tournament bass boats to sailboats and luxury yachts. The RB36V40 marine lithium battery even earned a <strong>2024 Top Product Award from Boating Industry Magazine</strong>, recognizing it as one of the most innovative products introduced to the marine market. For high-demand marine environments, the InSight 12V series outputs 160A continuous and is built specifically for deep-cycle marine use.</p><h3>RV &amp; Off-Grid Power</h3><p>For RV travelers and van-lifers, efficient power management is the difference between a comfortable trip and a frustrating one. RELiON's RV battery range — including popular models like the RB100 Group 31 and the massive RB300 Group 8D — are designed as direct drop-in replacements for lead-acid battery banks. The Low Temperature (LT) series takes things further, enabling charging in environments as cold as -20°C (-4°F), making RELiON a go-to choice for four-season adventurers and off-grid solar storage setups alike.</p><h3>Golf Cart Batteries</h3><p>RELiON's InSight Series was purpose-built for the golf cart and utility vehicle market. The flagship InSight 48V battery is a standard GC2/GC8 group-size unit, meaning it installs as a true drop-in replacement with no tray modifications required. The InSight Series bundles include spacer batteries, a fuel gauge, a remote button, and a RELiON-approved charger — everything needed to convert a golf cart from lead-acid to lithium in one package.</p><h3>A Brand Built Around the Customer</h3><p>What sets RELiON apart beyond the technology is the brand's commitment to education and support. From detailed battery selector tools on their website to an extensive library of guides covering solar system sizing, RV power management, and golf cart conversion, RELiON invests heavily in helping customers make the right choice — not just the most expensive one. Most models are backed by an industry-leading <strong>10-year warranty</strong>, underscoring the confidence RELiON places in the longevity of its products.</p>

Part Number

RB100
06/03/2036 8:31 AM
Sale Price

$999.95

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The RELiON RB100 is a premium 12V 100Ah lithium iron phosphate (LiFePO4) deep cycle battery that delivers exceptional performance for RV, marine, solar, and off-grid applications. This Group 31 battery is a direct drop-in replacement for traditional lead-acid, AGM, or GEL batteries, offering superior power and reliability in a compact, lightweight package.

Key Features:

  • Lightweight Design: At only 30 lbs, the RB100 weighs 50-60% less than equivalent lead-acid batteries, improving fuel efficiency and handling
  • Ultra-Long Lifespan: Provides up to 10 times longer life than lead-acid, maintaining 80% capacity after 2,000 cycles at 100% depth of discharge
  • Built-in Battery Management System (BMS): Ensures safe operation, accurate state of charge calculations, and protection against overcharge, over-discharge, and short circuits
  • Fast Charging: Charges in as little as 1-2 hours with proper equipment, significantly faster than lead-acid alternatives
  • 100% Usable Capacity: Unlike lead-acid batteries limited to 50% depth of discharge, lithium delivers full rated capacity without degrading performance
  • Temperature Tolerant: Operates efficiently from freezing temperatures up to 149°F (65°C), with 2.5x better low-temperature performance than lead-acid
  • Maintenance-Free: No watering, no corrosion, and low self-discharge means the battery is always ready when you need it
  • IP67 Rated Protection: Completely dust-proof and water-resistant for up to 30 minutes at 1 meter depth
  • Series/Parallel Compatible: Can be wired in series or parallel configurations for increased voltage or capacity

Specifications: 12.8V nominal voltage, 100Ah capacity, 1280Wh energy, M8 threaded stud terminals, ABS case construction. UL, UN, CE, and IEC certified for safety and reliability.

The RB100 surpasses expectations by being versatile, compact, and more powerful than lead-acid counterparts, making it the perfect combination of size and capacity for recreational and commercial applications alike.

Products specifications

Ah

100

Amps

100(Cont)/200(Peak)

Battery Group

31

Model

RB100

Size

13.0"L x 6.8"W x 8.4"H

Fine

It was a great experience. Super easy check out process.

Have not unpacked product yet. Hopefully no shipping damage.

Got what I needed

fast, ez and great prices!! will use again.

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