Relion Battery RB36V40 RELiON Lithium Battery Group 31 36V 40Ah Marine Deep Cycle

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Relion BatterySKU: 08-6187

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Sale price$1,796.00 Regular price$2,386.00

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Description

This new RELiON Legacy Series Lithium Battery RB36V40 is a 36-volt, Group 31 lithium iron phosphate (LiFePO₄) deep cycle battery engineered for high-performance marine applications, including advanced trolling motor and 36V onboard power systems. Designed to deliver maximum usable energy with minimal installation complexity, this battery provides 20% more capacity than comparable series configurations while maintaining a compact Group 31 footprint.

Product Details

  • With 40 amp hours of capacity, 175 amp peak discharge current, and 1536 watt-hours of energy, the RB36V40 delivers consistent, efficient power while weighing approximately 70% less than equivalent lead-acid batteries. Its parallel-ready design, improved connectors, and IP67-rated enclosure make installation simple and performance reliable in harsh marine environments. An integrated Battery Management System (BMS) ensures safety, longevity, and accurate performance monitoring.

Key Specifications

  • Manufacturer Part Number: RB36V40
  • Series: Legacy Series
  • Voltage: 36 Volt
  • BCI Group Number: 31
  • Battery Type: Marine Deep Cycle
  • Electrolyte Style: Lithium Iron Phosphate (LiFePO₄)
  • Amp Hour Rating: 40 AH
  • Peak Discharge Current: 175 Amps
  • Energy Capacity: 1536 Watt-Hours
  • Reserve Capacity: 96 Minutes
  • Terminal Location: M8 Threaded Stud Top Terminals
  • Case Material: ABS
  • Length: 13 Inches
  • Width: 6.8 Inches
  • Height: 8.4 Inches
  • Marine Rated: Yes
  • Universality: Fully Universal
  • Efficiency: 99%
  • Ingress Protection: IP67
  • Certifications
  • Battery: UN38.3, CE, UKCA
  • Cells: UL1642, IEC62133

Features & Benefits

  • 36V lithium architecture reduces wiring complexity and improves system efficiency
  • Parallel-ready design allows greater capacity with fewer batteries
  • High peak discharge capability for demanding marine loads
  • Fast recharging performance minimizes downtime
  • Compact Group 31 footprint simplifies onboard installation
  • IP67 waterproof enclosure for harsh marine conditions
  • Approximately 70% lighter than comparable lead-acid batteries
  • Integrated BMS for protection, safety, and long service life

Applications

  • 36V trolling motor systems
  • Marine electrical power systems
  • High-performance fishing boats
  • Advanced onboard marine electronics

Warranty

  • Limited 10-Year Product Warranty
  • 3-Year Replacement Warranty
  • Non-Returnable Item

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