Power your ride with confidence using the BOSS Audio Systems ISO140, a rugged and reliable 140 Amp battery isolator designed to efficiently manage dual battery setups in powersports, marine, and off-road vehicles. The ISO140 automatically prioritizes charging between your main and auxiliary batteries, preventing battery drain and ensuring your accessories never leave you stranded. Built for harsh environments, this isolator offers seamless performance, easy installation, and durable protection where it matters most.

• Water-resistant and vibration-resistant construction for rugged use
• Automatically detects and prioritizes charging between batteries
• Prevents primary battery from draining when using accessories
• Helps extend battery life and ensures consistent power supply
• 140-amp automatic battery isolator for dual battery systems
• Compact, durable housing for easy mounting and long life
• Solid-state design for efficient and reliable operation
• LED indicator shows operational status at a glance
• Compatible with 12V negative ground systems