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TecMate OptiMate 2 Duo Battery Chargers, Bronze Series


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About this item

OptiMate 2 DUO bronze series battery chargers are  ALL IN ONE general purpose battery chargers that assures batteries are always ready to perform. 


TecMate Optimate 2 Duo, is a powerful ‘no brainer’ battery charger-maintainer for the hi-technology battery in any of your vehicles – Guarantees healthy lithium or lead-acid batteries! 

Available in three different models:

  • TM-551 OptiMATE 2 DUO, a charger that assures batteries are always ready to perform.
  • TM-571 OptiMATE 2 DUO x 2 BANK, a charger that can independently save, charge and maintain TWO batteries!
  • TM-575 OptiMATE 2 DUO x 4 BANK, a charger that can independently save, charge and maintain FOUR batteries! This is the best choice for those customers with multiple vehicles!

The OptiMate 2 DUO can be used for 12V lead-acid (STD, AGM and GEL) and 12.8/13.2V lithium (LiFePO4 /LFP) batteries, used for engine start & deep cycle applications. For batteries from 6Ah to 96Ah for 24-7 battery maintenance.
Can recharge batteries up to 48Ah within 24hours.

  • IDEAL FOR: AGM, GEL & STD 12V batteries from 6 – 96Ah & Lithium (LiFePO4) 12.8/13.2V batteries from 2 – 24Ah
  • CHARGING AMPS: 2A (constant current)
  • CHARGING VOLTS: nominal: 12V & 12.8V range: 4V – 14.4V
  • OPERATION:  Fully automatic
  • USE: Indoor / Outdoor  (lowest temperature: -40°F / -40°C).
  • INPUT: Global (100-240V 50-60Hz), high efficiency (CEC listed).
  • STYLE: Weatherproof case with wall mounts, with 6ft / 180cm AC supply lead and 6ft / 180cm 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.

Additional information


Manufacturer's Part #


Trison Tarp's Part #

TM-551, TM-571, TM-575

Variable Part #

TM-571, TM-575