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Power Sonic 12v 12 AH Reverse Polarity Battery PS1212(externalbridge)

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This battery is the same dimensions as the 12120, however the polarity is reversed, and battery is two 6 v 12 ah batteries welded at factory with external connector wire.

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Product InformationStore Part Number: PS1212(externalbridge)


Our batteries are manufactured under the most versatile computer control battery formation system and technology to achieve the highest quality. The automated, computer controlled system provides programmed functions for steps of current, time, voltage, temperature and event control to match the performance specifications of your application requirements.

NON-SPILLABLE by DOT (Department of Transportation), ICAO (International Commercial Airline Organization) and IATA (International Airline Transportation Association) definitions.


  • Maintenance Free
  • Valve Regulated
  • Used in Multiple Applications
  • Float and Cycle Use
  • High Discharge Rate
  • Absorbed Glass Mat (often referenced as Gel Cell)
  • Leak Proof/Spill Proof
  • Tank formed plates
  • Temperature control formation
  • Constant current formation
  • High quality battery/better uniformity
  • Constant voltage formation

Tech Specs

  • Dimensions (LxWxH): 5.95 x 3.86 x 3.70 in
  • Terminal Height: 3.94
  • Weight: 8.5 lb
  • Shipping Weight: 10 lb
  • Maximum Charging Current: 3.6 A
  • DC Output Voltage: 12v
  • Operating Temperature: -4° to 140°F
  • Warranty: 1 year
  • Model: PS1212(externalbridge)
  • Manufacturer: Power-Sonic
  • Regulatory Approval: D.O.T., I.A.T.A., F.A.A., C.A.B., & UL M20845
  • Amp/Hr: 12
  • Charging Voltage Standby Use: 13.5 - 13.8
  • Ambient Temp Charge: -4 to 122 °
  • Cycle Service Charging Voltage: 14.4 -14.7v
  • Capacity at C/20: 12
  • Manufacturer Part #: PS1212(externalbridge)
  • Made In: China
  • Terminal Position:

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Manuals & Tutorials

Battery Tutorial

How Batteries Work

Interactive Battery Tutorial

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