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.

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