Menomonee Falls, Wisconsin
RELiON’s core technology uses LiFePO4 chemistry with high-temperature thermal fuses, flame-retardant materials, pressure relief systems, and integrated BMS monitoring voltage, temperature, and state of charge. Their batteries deliver up to 5,000 cycles at 100% depth of discharge, five times faster charging, twice the usable capacity of lead-acid alternatives, and operate from -20°C to 60°C. The InSight Series adds intelligent monitoring, scalable design, and enhanced power management.
RELiON’s product portfolio includes specialized LiFePO4 batteries for marine, RV, solar power systems, and industrial equipment. The InSight Series offers intelligent, scalable modules. In 2024, the company launched a 12V lithium battery for RV, marine, and solar use with enhanced peak discharge and simple installation. The RB36V40 marine battery features a parallel design and IP67-rated casing, named a 2024 Top Product by Boating Industry Magazine.
In 2024, RELiON expanded its InSight Series with a new 12V lithium battery for RV, marine, and solar applications. Its RB36V40 marine lithium battery was recognized as a 2024 Top Product by Boating Industry Magazine.
RELiON Battery is wholly owned by Brunswick Corporation (NYSE: BC) through its Advanced Systems Group and operates under Navico Group. It does not have independent investors; investment exposure is via Brunswick Corporation. Annual revenue: $8.6M.
