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ChargeTek 12v 24v 5 Amp 2-Bank Smart Marine Battery Charger

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Product InformationStore Part Number: CT500-1


The CT 500 fully automatic charger that can manage 1 or 2 batteries at once. In the case of 2 batteries the charger manages each battery separately. This computer SMART charger applies super efficient 3 step regulated charging and charges batteries quickly. When a full charge is reached, a float mode is maintained and the battery remains at full charge until it is ready to be used. The CT-500 can be used for single 12 volt, dual 12 volt and two 12 volt batteries in series as 24 volt system.


  • Dual output, works for 2, 12 batteries in parallel or series
  • Waterproof & Easy Install
  • Optimal 3 Step Charging
  • 2 Fully Isolated Outputs
  • Built-in Mode Indicators
  • Spark Free Hook Up
  • Reverse Polarity Protection
  • Over Voltage Protected
  • Short Circuit Protection
  • Overload Protection
  • Line Regulation
  • 2 Year Warranty


CT-500 will not work on single 24 volt battery such as aircraft design batteries.
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Tech Specs

  • Dimensions (LxWxH): 6 x 3.2 x 2.6 in
  • Weight: 3 lb
  • Shipping Weight: 4 lb
  • Max Current, During Bulk Charge: 5 A
  • Absorption Voltage: 14.7 V
  • AC Input Amps: 2 A
  • AC Input Volts: 115 V
  • Manufacturer: Chargetek
  • AC Input Volts Freq.: 47/63 Hz
  • AC Input Volts Range: 100–132 V
  • Float Voltage: 13.6 V
  • Working Temperature: -10° to 50° C
  • Output Banks: 2
  • Recommended Use: Mounted, indoor/outdoor use
  • Regulatory Approval: UL Listed
  • Manufacturer Part #: CT500-1
  • Made In: Asia

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Manuals & Tutorials

Installation Manual


Chargers Tutorial

Why does it read 13 volts?

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