Sentry Lithium 12V 40AH 4S Battery (LiFePO4)

SentrySKU: SNL12V40S

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Sentry SNL Series Lithium 12V 40AH 4S Battery (LiFePO4)


The Sentry Lithium 12V range has been specifically designed for replacement of similar size lead acid batteries. The family comprises of the popular sizes found in the lead acid range but with the added benefits of Lithium Iron Phosphate (LiFePO4) technology and is ideally suited to deep cycle longer run time applications.

Key Features

  • Large number of cycles >2000 (100% DoD): Up to 8 times cycle life of SLA lowering your total cost of ownership
  • Safe and stable chemistry & Integrated BMS: The use of LiFePO4 along with the integrated BMS ensures protection against over charge / discharge, temperature and short circuit providing the highest degree of safety
  • Greater capacity utilisation - 60% more than SLA: Gives longer run time than equivalent SLA
  • High energy density (less than half of the weight of SLA): Lowering total weight of application
  • Fast recharge: Battery is charged and ready to be used sooner
  • Flat Discharge Curve: Longer run time & more efficiency use of capacity
  • Extremely low self-discharge rate: Can sit unused for longer periods of time
  • UL1642 at cell level


  • 12.8V
  • 40Ah

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