MK Battery® 8A24 HEI | Maintenance-Free 12V 79 Ah Sealed VRLA AGM Deep-Cycle Power System

MK Battery 8A24 HEI Sealed AGM Battery: High-Rate VRLA Power for Institutional Mobility, Standby Infrastructure, and Clinical Medical Devices

The MK Battery 8A24 HEI (12V 79 Ah) is a commercial-grade, valve-regulated sealed lead-acid (VRLA) battery engineered to deliver reliable deep-cycle power across light-to-medium duty mobility vehicles, clinical equipment, and backup telecommunications systems. Traditional flooded batteries impose heavy operational burdens on institutional facilities due to the constant need for distilled water replenishment, the risk of acid leaks, and dangerous outgassing during charging cycles. The 8A24 HEI completely eliminates these facility management headaches by utilizing high-performance Absorbed Glass Mat (AGM) technology, which securely immobilizes the electrolyte to guarantee 100% maintenance-free and orientation-flexible operation.

Manufactured in the USA by East Penn, this premium battery features an ultra-dense lead-calcium plate alloy that yields exceptional cell uniformity and resistance to internal plate grid corrosion. The rugged polypropylene outer casing is rated non-spillable and leak-proof by major transport authorities, making it perfectly safe for immediate air, sea, and land logistics without specialized hazardous material packaging. To safeguard critical facility systems against power delivery anomalies, the cell configuration uses specialized forged terminals and epoxy post seals. This design ensures no-leak integrity and maximizes current transfer efficiency under continuous cyclic or standby floating operations.

Operational longevity and data tracking safety are central to the 8A24 HEI design architecture. It features a remarkably low self-discharge rate of less than 2% per month at room temperature, allowing procurement officers and biomedical engineering teams to stage backup battery supplies long-term without suffering from severe capacity loss or premature grid sulfation. Equipped with self-sealing pressure relief valves and low-profile insert terminals, this resilient power asset meets rigid Caltrans BBS temperature guidelines and international safety metrics. This gives risk managers an uncompromising, field-proven power source built to endure challenging institutional demands.

Key Benefits:

• Maintenance-Free VRLA AGM Design: Eliminates routine water level checks and cell maintenance, completely removing the risk of corrosive acid spills or dangerous gas emissions in enclosed clinical spaces.
• High-Rate Discharge Uniformity: Built with advanced computerized formation controls that calibrate voltage and current steps precisely to ensure uniform cell tracking and runtime predictability.
• Rugged Vibration-Resistant Grid: Outfitted with fortified internal plates, heavy-duty straps, and robust welds that naturally isolate the internal components from rolling impact or structural shock damage.
• Ultra-Low Self-Discharge Curve: Experiences less than 2% capacity degradation per month standing, preserving maximum charge readiness during prolonged storage or stationary backup staging.
• Certified Non-Spillable Infrastructure: Extensively rated leak-proof and compliant under DOT, ICAO, and IATA cargo guidelines to facilitate hassle-free transport across public transit networks.
• Forged Terminals with Epoxy Seals: Employs premium, low-profile copper alloy insert terminals paired with airtight epoxy post barriers to optimize conductivity and prevent micro-leak paths.

Specifications:

• Nominal System Voltage: 12V DC
• Nominal Amp-Hour Capacity Scale:
  • C/100 Rate (Stationary Solar/Backup): 91 Ah
  • C/20 Rate (Standard Institutional Profile): 79 Ah
  • C/5 Rate (High-Demand Cyclic Output): 69.2 Ah
• Battery Chemistry Type: Valve-Regulated, Absorbed Glass Mat (VRLA AGM) Lead-Acid
• Terminal Interface Type: C-Type Low-Profile Insert (Accommodates 1/4"-20 round hole hardware)
• Enclosure & Lid Composition: Heavy-duty, high-impact polypropylene matrix
• Internal Plate Alloy: Corrosion-resistant Lead-Calcium formulation
• Operating Temperature Range: Punishing extremes from -40°F (-40°C) up to 140°F (60°C)
• Charging Parameters (at 77°F / 25°C): Cycle/Absorption: 2.30 - 2.43 VPC | Float/Standby: 2.23 - 2.26 VPC
• Physical Dimensions: Length: 10.90" (277 mm) | Width: 6.56" (167 mm) | Height: 8.27" (210 mm)
• Product Weight: 52.0 lbs (24.0 kg) solid mass
• Country of Origin: Proudly Made in the USA
• Safety Compliance Certifications: UL Recognized Component, IATA/ICAO/DOT Non-Spillable Approved, Caltrans BBS Temperature Clause Compliant

Extended Product Information:

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