The TecMate OptiMate 2 DUO is a 2-amp smart battery charger and maintainer compatible with both lead-acid and LiFePO₄ lithium batteries. It automatically detects battery chemistry and adjusts its charging profile accordingly — no manual switching required. Safe to leave connected indefinitely, it is ideal for maintaining motorcycle, scooter, and powersports batteries during storage or between rides.
Key Features
- 2A charge output for lead-acid (standard, AGM, GEL) and LiFePO₄ lithium batteries (12.8V / 13.2V)
- Automatic battery chemistry detection — no manual mode selection needed
- Recovers heavily discharged batteries from as low as approximately 4V
- Safe for long-term connection — built-in overcharge, reverse polarity, and short circuit protection
- Weatherproof housing suitable for use in low temperatures and moist conditions
Frequently Asked Questions
Does it work with both lithium and lead-acid batteries? Yes. The OptiMate 2 DUO automatically detects whether your battery is lead-acid or LiFePO₄ lithium and adjusts the charging profile accordingly.
Can it recover a flat battery? Yes. It can begin recovery from batteries discharged to approximately 4V.
Is it safe to leave connected overnight or during storage? Yes. The smart maintenance mode prevents overcharging, making it safe for long-term connection during storage.
