Optimate 2 Duo x4 Bank 12V / 12.8V 2A 5-Step Battery Charger Maintainer

The OptiMate 2 DUO Quad Bank from the BRONZE Series is a smart, fully automatic 4-bank battery charger and maintainer designed to charge and maintain up to four batteries simultaneously. It intelligently adapts to the connected battery type—12V lead-acid (AGM, GEL, STD) or 12.8V lithium (LiFePO4)—ensuring optimal charging and safe long-term maintenance.

Ideal for:

• 4x 12V Lead-Acid Batteries (AGM, GEL, STD) from 6Ah to 96Ah
• 4x 12.8V / 13.2V Lithium (LiFePO4) Batteries from 2Ah to 24Ah
• Perfect for motorcycles, ATVs, jet skis, ride-on mowers, scooters, marine batteries, classic cars, and powersport vehicles

Key Features & Technical Specs:

• Charging Output: 2A constant current per bank (Total output: 8A across 4 banks)
• Voltage Range: Charges from 4V to 14.4V (supports both 12V and 12.8V systems)
• Charging Stages: Fully automatic 5-step charging and maintenance program
• Battery Chemistry Support: Automatically detects and charges lead-acid or lithium (LiFePO4) batteries
• Maintenance Mode: Provides continuous, safe 24/7 battery care for all four banks
• Cold Weather Ready: Operates down to -40°C / -40°F, ideal for harsh conditions
• Input Power: Global AC input (100–240V, 50–60Hz) – energy efficient & CEC listed

Build Quality:

• Weatherproof enclosure with wall-mount capability
• 6ft (180cm) AC power cord
• 4x 6ft (180cm) charge leads with SAE connector

Safety Features:

• No risk of overcharging
• Spark suppression for safe connection
• Short-circuit and reverse-polarity protection
• Automatic shut-down if battery is disconnected or fault detected
• Completely safe for modern vehicle electronics