RELiON Legacy Series Lithium Battery RB200 Group 8D 12V 200Ah Marine Deep Cycle

This new RELiON Legacy Series Lithium Battery RB200 is a Group 8D, 12-volt lithium iron phosphate (LiFePO₄) deep cycle battery engineered for high-capacity marine, RV, solar, and off-grid power systems. Designed as a replacement for large-format AGM, GEL, or lead-acid batteries, this battery delivers substantially higher usable energy, faster charging, and longer cycle life with no required maintenance.

Built with a durable ABS case and an integrated Battery Management System (BMS), the RB200 ensures safe operation, accurate state-of-charge monitoring, and long-term reliability. With 200 amp hours of capacity and an extended reserve capacity of 480 minutes, this battery is well suited for applications with sustained power demands and high daily energy consumption.

Key Specifications

• Manufacturer Part Number: RB200

• Series: Legacy Series

• Voltage: 12 Volt

• BCI Group Number: 8D

• Battery Type: Marine Deep Cycle

• Electrolyte Style: Lithium Iron Phosphate (LiFePO₄)

• Amp Hour Rating: 200 AH

• Cold Cranking Amps (CCA): 200 Amps

• Cranking Amps: 100 Amps

• Reserve Capacity: 480 Minutes

• Terminal Location: M8 Threaded Stud Top Terminals

• Case Material: ABS

• Length: 20.5 Inches

• Width: 10.5 Inches

• Height: 8.7 Inches

• Marine Rated: Yes

• Universality: Fully Universal

• Ingress Protection: IP65

Features & Benefits

• High-capacity LiFePO₄ lithium technology provides more usable energy than traditional lead-acid batteries

• Integrated Battery Management System (BMS) ensures safe charging, discharging, and accurate SOC calculations

• Ultra-fast charging and discharging with high system efficiency

• Up to 99% efficiency for maximum energy utilization

• Long cycle life with maintenance-free operation

• Durable ABS enclosure designed for harsh environments

• Can charge in temperatures from -20°C to 45°C

• Ideal replacement for large-format lead-acid battery banks

Applications

• Marine deep cycle power systems

• RV house battery banks

• Solar energy storage

• Off-grid and backup power systems

• High-demand DC power applications

Warranty

• Limited 10-Year Product Warranty

• 3-Year Free Replacement Warranty

• Non-Returnable Item