New! OptiMate 1 Duo features precise microprocessor controlled charging and long term maintenance.

Maintain any type of 12 volt lead-acid battery without overcharging, filler cap / wet cell, sealed AGM (MF) or GEL and 12.8/13.2V lithium (LiFePO4) batteries.

Ideal for vehicles that are seldom or seasonally used, or in storage.

The OptiMate maintenance program delivers only what the battery needs, never overcharges, never undercharges.

Cost-effective 12V and Lithium battery maintenance.

Charging Amps: 0.6A (constant current)

Use: Indoor (lowest temperature: -4F / -20C).

Save: Low Volt Start of 4V

Ideal for: STD, AGM & GEL 12V batteries from 2 30Ah and Lithium (LiFePO4) 12.8/13.2V batteries.

Input: Global (100-240V 50-60Hz), high efficiency (CEC listed), fully sealed.

Style: Dust proof plug-in case, with 12ft / 370cm charge lead ending in SAE connector.

Safe: No risk of overcharging.

Totally safe for vehicle electronics.

Sparks suppressed.

Safe for long-term battery maintenance.

Automatic shut-down if short-circuited or battery disconnected.

3-year limited replacement warranty.

Included: O1 weatherproof battery lead & O4 battery clamp lead included.