MK Battery 12V 55 Ah Deep Cycle Sealed AGM Battery

MK Battery 12V 55 Ah Deep Cycle Sealed AGM Battery

  • Brand: MK Battery
  • Availability: Factory Direct
  • Fulfillment: Ships 2-3 Days!
$194.95
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At Rescue Supply, we're committed to providing exceptional value, quality, and selection—because your satisfaction matters. If for any reason you're not completely happy with your purchase, most unused items may be returned for a refund or exchange within 30 days of the original purchase date, excluding items listed under our exceptions and exclusions.

MK Battery 12-Volt 55 AH Deep Cycle Sealed AGM Battery for Premium Industrial and Marine Applications

The MK Battery is a commercial-grade, completely sealed, and maintenance-free 12V 55 Ah deep cycle battery engineered for institutional, industrial, and mission-critical applications. Built using advanced computerized formation systems, this battery ensures strict uniformity across voltage, current, and temperature thresholds to match the rigorous power delivery demands of facility management, medical mobility, telecom, and marine environments. Manufactured in the USA by East Penn Manufacturing (Deka), it represents the gold standard for reliable, high-discharge deep cycle performance.

Operational failures in critical environments often stem from standard flooded batteries requiring regular fluid maintenance or off-gassing hazardous fumes. This eliminates these pain points with a valve-regulated, non-spillable design that features less than 2% self-discharge per month under standing conditions. This makes it an ideal solution for emergency backup, solar arrays, sump pumps, lift systems, and remote communication sites where routine maintenance is difficult or cost-prohibitive.

Key Benefits:

  • Maintenance-Free Operation: Valve-regulated construction eliminates the need to check fluid levels or perform routine maintenance.
  • Non-Spillable Safety Rating: Certified leak-proof and spill-proof by DOT, ICAO, and IATA, allowing for safe installation in sensitive medical and institutional environments without special handling.
  • Ultra-Low Self-Discharge: Standing self-discharge rate of less than 2% per month ensures maximum capacity retention during long-term storage or standby backup use.
  • Dual-Purpose Engineering: Delivers sustained deep cycle service alongside a high performance rate suitable for heavy discharge demands.
  • Advanced Computerized Uniformity: Formed under automated computer controls to ensure precise performance consistency across every manufacturing run.
  • Seamless Charging Integration: Requires no proprietary charging profiles or specialized charging modifications standard to Gel Cell designs, integrating easily with standard AGM-compatible systems.

Specifications:

  • BCI Group Size: 22NF
  • Nominal Voltage: 12 V
  • Capacity at C/20 Rate: 55 AH
  • Capacity at C/100 Rate: 63 AH
  • Capacity at C/5 Rate: 46.5 AH
  • Cycle Charging Voltage: 13.8 - 14.6 V
  • Float Charging Voltage: 13.4 - 13.6 V
  • Operating Temperature Range: -40°F to 140°F (-40°C to 60°C)
  • Dimensions (L x W x H): 9.72 x 5.47 x 9.24 inches
  • Weight: 37 lbs
  • Shipping Weight: 39 lbs
  • Manufacturing Origin: Made in the USA

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