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C&D Dynasty Max Rate MR12-300

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We regret to inform you that the product you have been inquiring about has been discontinued.

You can navigate to the new replacement product -
C&D High Rate Max UPS12-300MR Batteries

The C&D Dynasty Max Rate MR12-300 is a retired/discontinued C&D Product Series. The C&D High Rate Max UPS12-300MR has replaced the MR12-300.


 C&D Dynasty Max Rate MR12-150

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VRLA Battery For UPS Standby Power Applications

12V 78 AH @ 20 HR Rate,

12V 300 Watts/Cell @ 15 Min Rate

C&D Dynasty Max Rate MR12-300​ Specifications:

Cells Per Unit: 6

Voltage Per Unit: 12.84

Weight: 58.4 lbs.

Ohms: .0040

  • 10 Year design life @ 25°C (77°F)

  • Absorbent Glass Mat (AGM) technology for efficient gas recombination of up to 99% and freedom from electrolyte maintenance.

  • Patented flame-arresting one-way pressure-relief vent providing vacuum and controlled backpressure for long life recombinant operation.

  • Designed to comply with ANSI and Eurobat battery standards.

  • Specifically designed for optimum performance in UPS applications.

  • Proprietary computer modeled radial grid matrix using multiple conductors for providing the lowest internal resistance and highest current carrying efficiency.

  • Proprietary Fixed Orifice Pasting technology applying active material on both sides of the grid for consistent cell-to-cell performance, highest paste packing efficiency and uniform grid protection.

See below for documentation relating to this product line that is available to download. To download this documentation, please click on the desired document you’d like to download and fill out the required form information fields. You will be able to view and download the documents upon completion of the download form.

PDF Document

ISO Certifications

Alpine Power Systems is proud to have three ISO Certifications that have been awarded to us after comprehensive audits completed by third-party, independent experts. Alpine must validate that all ISO processes are being followed through yearly follow up inspections.

Certification Certification Certification

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