MOOSE RACING Battery Charger/Maintainer - Optimate 2 Duo TM-555

A quality battery charger is essential maintenance equipment for any motorsports enthusiast, especially if your vehicle sits between seasons or sees irregular use. The Optimate 2 Duo TM-555 eliminates the guesswork with fully automatic charging that adapts to your battery type—whether you're running traditional lead-acid, AGM, gel, or modern lithium (LiFePO4)—and maintains it safely 24/7 without risk of overcharge damage to sensitive vehicle electronics. Its weatherproof design and global voltage input make it the dependable choice for keeping your motorcycle, ATV, scooter, or jet ski battery in peak condition year-round.

• Automatic lead-acid/lithium detection
• 2A constant charging current
• 12V nominal, 4V–14.4V range
• Weatherproof case, wall-mounted
• 6ft AC supply lead included
• 6ft charge lead, SAE connector
• Spark-suppressed connections
• Safe for all vehicle electronics
• Temperature rated: -40°F to +158°F
• Global input: 100–240V, 50–60Hz
• Standby power: <0.5W
• Low-voltage start: 4V minimum
• Fits 6–96Ah lead-acid batteries
• Fits 2–24Ah lithium batteries
• Automatic short-circuit shutdown
• Battery damage detection alert
• Bolt-on installation