OptiMate 1 Duo


£52.90 (Inc. VAT)
£44.08 (Ex. VAT)
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OptiMate 1 Duo features precise microprocessor controlled charging and long term maintenance. Maintain any type of 12V lead-acid battery, STD (filler cap), AGM and GEL and 12.8V/13.2V lithium (LiFePO4) batteries without overcharging.

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. 


•  For all 12V powersport battery types including STD, AGM and GEL and Li-on made with LiFePO4 / LFP technology
•  Safe to leave connected. Full electronic protection
•  Maintains battery at full charge for good health
•  Low volt start of 4V
•  Energy sating technology
- Stand-by power less than 0.5W
- Efficient 24-7 battery maintenance
•  IP50. Rated for indoor use down to -20°c
•  Includes 2 interchangeable battery connection accessories


: AGM, GEL & STD 12V batteries & Lithium (LiFePO4) 12.8/13.2V batteries from 2 – 20Ah
CHARGING AMPS: 0.6A (constant current)
CHARGING VOLTS: nominal: 12V & 12.8V range: 4V - 14.4V
OPERATION:  Fully automatic
FEATURES: Low Volt Start step adjusts charge parameters to match battery type; 24-7 safe long term maintenance.
USE: Indoor (lowest temperature: -4°F / -20°C).
INPUT: Global (100-240V 50-60Hz), high efficiency (CEC listed).
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.
INCLUDED: Weatherproof battery lead & battery clip set.
WARRANTY: 3-year limited replacement warranty.
Manufacturer Part Number: TM404-D



Primary Application:
Battery Type 1:
Lead Acid
Battery Type 2:
Charger Series: