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OptiMATE DC to DC 12v 2 Amp Smart Battery Charger TM-500

Was: $109.95
Sale Price: $104.95
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This item does not plug into AC Power. Item is powered by 12 VDC battery or 12 VDC Power-Supply.

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Product InformationStore Part Number: TM-500


OptiMate TM-500 DC to DC charger draws power from your vehicle’s or an external 12 V battery to save, charge and maintain another 12 V battery. The OptiMate TM-500 is has a 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. The OptiMate TM-500 can save a deep discharged, sulfated battery from as low as 1 Volt using a larger source battery (ideal 1.5x capacity) or DC Supply without fear of discharging the source thanks to OptiMate's Source Battery Protection.


  • Saves low voltage AGM/MF, Standard, Gell, and AGM spiral cell batteries.
  • Ideal for 12 V lead acid batteries 6 AH–96 AH.
  • Indoor / Outdoor (lowest temperature: -4° F / -20° C).
  • Can attempt to recover a battery as low as 1 Volt.
  • Input 12–16 V 2.7 Amps max.
  • Fully sealed (IP54), 4 x wall mount tabs
  • Input cable length 1 ft
  • Output cable length 6 ft
  • Included Accessories: 1 clamps set for bench charging, 1 fused clamps set for source battery connection, and 1 fused eyelet set weather protected.
  • 3 Year Warranty


*Flat Rate shipping only vaild within the 48 United States.

Tech Specs

  • Dimensions (LxWxH): 6.5 x 2.5 x 1.75 in
  • Weight: 1.34 lb
  • Shipping Weight: 3.0 lb
  • DC Input Voltage: 12 V
  • DC Input Voltage Range: 12–16 V
  • DC Output Voltage: 12 V
  • DC Output Amps: 2 A
  • Charge Time Limit: 48 Hours (maintenance time: unlimited)
  • Model: TM-500
  • Manufacturer: Optimate
  • Maintain / Test Cycles: 30 min / 30 min (alternating hourly)
  • Charge Retention Test: Range: 12.2–12.7 V. GOOD (green) = battery voltage > 12.7 V
  • Enclosure Type: IP54 Fully Sealed
  • Input Cable Length: 1 ft
  • Output Cable Length: 6 ft
  • Operating Temperature Range: -20° C–40° C / -4° F–104° F
  • Ratings / approvals: Safety, EMC, Energy Efficiency, enclosure seal rating: IP54, CE, NRTL (UL & CSA), SAA (AU & NZ), approved by TUV Sud. BC (California Energy Compliant).
  • Warranty: 3 Years
  • Manufacturer Part #: TM-500
  • UPC: 5425006140447
  • Made In: Asia

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Order Line: 1-800-362-5397
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Tech Help: 541-474-4421
Fax: 541-471-6014
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Grants Pass, OR 97526