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Relion RB100LT 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

RB100LT
06/03/2036 8:31 AM
Sale Price

$886.31

In Stock (9)

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Product Details

The RELiON RB100LT is a premium 12-volt, 100 amp-hour lithium iron phosphate (LiFePO4) battery designed for marine, RV, and off-grid power applications. This Group 31 battery delivers exceptional performance with significantly reduced weight compared to traditional lead-acid batteries, making it ideal for weight-sensitive installations.

Key Features:

  • 12V 100Ah capacity with 1280 watt-hours of energy
  • LiFePO4 chemistry provides 2000-5000 cycle life at 80% depth of discharge
  • Lightweight construction at approximately 31 pounds—less than half the weight of comparable lead-acid batteries
  • Group 31 form factor for easy replacement of existing batteries
  • Maintenance-free operation with no watering, equalization, or special storage requirements
  • Built-in Battery Management System (BMS) protects against overcharge, over-discharge, short circuit, and temperature extremes
  • Fast recharge capability accepts higher charging currents than lead-acid
  • Flat discharge curve maintains consistent voltage throughout the discharge cycle
  • Safe, non-toxic, and environmentally friendly chemistry

The RB100LT is engineered for demanding applications where reliable power and weight savings are critical. Its robust construction and advanced BMS ensure years of dependable service in marine environments, recreational vehicles, solar energy systems, and other deep-cycle applications.

Products specifications

Ah

100

Amps

100(Cont)/200(Peak)

Battery Group

31

Model

RB100-LT

Size

13.0"L x 6.8"W x 8.4"H

Easy to order

Good product, fair price, and quick delivery. That's hard to find these days.

Thank you so much :)

Your prices are fair and reasonable. Ease of ordering and quick delivery a real plus. I bought thes items for by boat. Identical products from marine stores were priced 25-35% higher.

Very nice and easy

Fast shipping item as described

Good Service getting my parts thanks

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