RB300 12V 300Ah Deep Cycle Lithium Battery Group 8D

Model #: RB300 SKU: RB300

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Product Description for RELiON RB300 12V 300Ah Deep Cycle Lithium Battery Group 8D

RELiON RB300 12V 300Ah LiFePO4 Deep Cycle Lithium Battery – High-Capacity Group 8D Power Solution for Marine, Solar, RV, and Off-Grid Systems

Elevate your energy storage with the RELiON RB300 12V 300Ah LiFePO4 battery (Model: RB300), a lightweight, Group 8D-sized deep cycle battery designed for demanding marine, solar, RV, and renewable energy applications. Delivering 3840Wh of energy with a 100A continuous discharge (200A peak for 7.5s), this battery provides 100% usable capacity, up to 10x longer life than lead-acid, and fast charging with partial state-of-charge tolerance. Its advanced integrated Battery Management System (BMS) protects against overcharge, over-discharge, short circuits, and thermal extremes, ensuring safe, efficient performance in rugged environments with an IP67 waterproof enclosure. Key Features:

  • High-Capacity Performance: 100A continuous and 200A peak discharge, ideal for trolling motors, solar arrays, or high-drain devices without derating.
  • Exceptional Cycle Life: Up to 3,500 cycles at 80% depth of discharge, backed by a 10-year limited warranty for superior longevity and cost savings.
  • Lightweight & Efficient: Only 75.8 lbs with 99% round-trip efficiency and <3% monthly self-discharge for easy handling and minimal maintenance.
  • Wide Temperature Resilience: Discharge from -4°F to 140°F (-20°C to 60°C), charge from -4°F to 113°F (-20°C to 45°C), and store from 23°F to 95°F (-5°C to 35°C) for reliable all-season use.
  • Safe & Certified: UN38.3, UKCA, CE (battery), UL1642 (cells), IEC62133 (cells), and UN 3480 compliant; non-toxic LiFePO4 chemistry with no gassing or fumes for eco-friendly, indoor-safe operation.
  • Rugged IP67 Enclosure: Fully waterproof and dust-tight ABS & Polycarbonate blend (UL94-V0 flame rating) case with M8 threaded terminals for secure, vibration-resistant connections.
  • Fast Charging Capability: Up to 100A max charge with low internal resistance for quick recharges (2-5 hours recommended), even at low temperatures.
  • Scalable & Compatible: Up to 6 batteries in series; pairs seamlessly with Victron, Renogy, and other inverters for expanded 12V systems.

Specifications at a Glance:

  • Voltage: 12.8V; Capacity: 300Ah; Energy: 3840Wh.
  • Discharge: 100A continuous, 200A peak (7.5s); Charge: 100A max.
  • Efficiency: 99%; Self-Discharge: <3% per month.
  • Dimensions: 20.6 x 10.5 x 8.7 in (522 x 267 x 220 mm); Weight: 75.8 lbs (34.36 kg).
  • Enclosure: IP67 ABS & Polycarbonate; Terminals: M8 x 1.25.

Pair this battery with our premium chargers and inverters for a complete, sustainable power ecosystem. Whether for marine adventures, RV excursions, or solar storage, the RB300 delivers unmatched efficiency, safety, and peace of mind. Order now and experience RELiON’s USA-engineered lithium excellence—stocked and ready to ship from lithiumion-batteries.com!

(For full technical details, download the datasheet or manual linked on the product page.)

Download Data Sheet