TecMate Optimate Charger - TM-500

Item # : 447996

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TecMate Optimate Charger

Charge your 12v battery from another 12v battery! No AC power required.

Recharge your trailered motorcycle, ATV or speed boat's battery on the way to the venue.

OptiMate DC to DC draws power from your vehicle's or an external 12V battery to save, charge and maintain another 12V battery. OptiMate DC to DC's highly efficient long term maintenance mode protects the source battery, drawing only when the battery under charge needs it. The OptiMate maintenance mode keeps the battery at full charge, never overcharging, prolonging the life and improving performance of the battery. OptiMate DC to DC can save a deep discharged, sulfated battery from as low as 1 Volt.


  • USE : Indoor / Outdoor (lowest temperature: -4°F / -20°C).
  • SAVE : Low Volt Start of 1V
  • IDEAL FOR : STD, AGM & GEL 12V batteries from 3 - 96Ah.
  • INPUT : 12-16 V, 2.7A max,
  • STYLE : Weatherproof case with wall mounts, with 6ft / 180cm AC supply lead and 6ft / 180cm charge lead ending in SAE connector. Weatherproof battery lead, standard battery clip set & fused battery clip set included.


  • 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.


Manufacturer Part Number: TM-500