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27HR-780HD Delkor Calcium Automotive Battery

27HR-780HD Delkor Calcium Automotive Battery

$295.00 AUD
$295.00 AUD
Sale Sold out

Technical Specifications

Specification Details
Model Delkor Calcium 27HR-780HD
Voltage 12V
Capacity 780 CCA | 94 Ah (20HR) | RC: 170 Min
Dimensions (LWH) 305 x 172 x 225 mm (Group Size: GP27)
Polarity / Post Type Left-Hand Positive (- , +) | Standard Automotive (SAE)
Maintenance Sealed Maintenance-Free (No Topping Up Required)

The Delkor Calcium 27HR-780HD is a premium commercial-grade power solution specifically designed and engineered for mining, agricultural, and heavy-duty industrial applications. Incorporating a unique lead/calcium alloy processed into high-strength wrought grid plates, this heavy-duty (HD) battery is built to withstand the most arduous mechanical conditions and intense vibrations. It delivers massive cranking power and consistent electrical performance over extended periods, providing a Left-Hand Positive terminal configuration for operators who demand unfailing reliability in harsh environments.

Perfect for operators who demand:

  • ✓ Elite heavy-duty (HD) internal engineering designed specifically for mining, farming, and site machinery
  • ✓ Exceptional vibration resistance to survive rough outback tracks and continuous industrial usage
  • ✓ A completely sealed maintenance-free design that eliminates down-time and manual fluid top-ups

Key Features & Benefits

Unique Lead/Calcium Alloy

  • • High-purity alloy composite drastically reduces internal fluid loss and gassing pathing
  • • Delivers a significantly lower self-discharge rate compared to standard flooded cells
  • • Maximises seasonal shelf storage stability across long inactive phases

Heavy-Duty Wrought Grid Plates

  • • Specialised wrought manufacturing structure ensures enhanced structural plate density
  • • Provides ultimate resistance against early internal grid corrosion and buckling
  • • Yields crisp, reliable electrical current delivery to boost engine starting power (780 CCA)

Sealed Maintenance-Free Setup

  • • Sealed architecture eliminates regular inspections, specific-gravity testing, or manual top-ups
  • • Guards engine bay electronics against acid venting, corrosion drops, and structural leaks
  • • Offers a reliable, carefree operational life for heavy industrial applications

High-Demand Power Reserves

  • • Massive 170-minute Reserve Capacity provides a major electrical safety buffer zone
  • • High 94 Ah capacity rating easily supports continuous background parasitic electronics
  • • Standard automotive SAE posts ensure secure, low-resistance connections to factory terminals

Advantages & Considerations

Advantages

  • ✓ Powerful 780 CCA output provides rapid ignition cranking responses for larger engines
  • ✓ Explicit HD-labelling guarantees robust durability for heavy machinery
  • ✓ Grand 170-minute reserve capacity delivers outstanding off-grid backup stamina
  • ✓ Fully sealed structure keeps the machinery environment completely pristine

Considerations

  • • Engineered for conventional setups; not formalised or suitable for Idle Start-Stop vehicles
  • • Configured with a Left-Hand Positive layout; check your vehicle cabling direction prior to fitting
  • • Substantial Group 27 footprint; verify battery tray dimensions match standard commercial sizes

Frequently Asked Questions

What does the "HD" designation mean for this battery?

The "HD" label stands for Heavy Duty. Unlike standard consumer automotive batteries, this model is custom-engineered with reinforced internal components and tougher wrought plate designs to survive the extreme vibration, shock, and heat challenges found in mining, agricultural, and heavy earthmoving applications.

Does this battery require fluid top-ups?

No, this model features a premium Sealed Maintenance-Free (SMF) configuration. The internal lead/calcium plate engineering prevents fluid loss, meaning it remains completely closed and never requires manual top-ups with water.

Is this battery compatible with Start-Stop vehicles?

No. The Delkor Calcium range is specifically formulated for vehicles with standard conventional electrical gear. Vehicles equipped with smart idle start-stop systems require specialised Delkor EFB or AGM battery options to support high cyclic loading paths.

What is the difference between the 27HR-780HD and 27H-780HD models?

The primary difference lies in the terminal polarity arrangement. The 27HR-780HD features a Left-Hand Positive configuration, whereas the 27H-780HD version has a Right-Hand Positive layout. Always check your equipment's battery lead layout to ensure proper cabling reach before purchasing.

How should I maintain this battery when my equipment is stored long-term?

If your equipment or vehicle will be sitting idle for several weeks or months, connect a compatible multi-stage smart maintenance charger to prevent deep discharge sulfation and keep the heavy-duty calcium plates in optimal health.

Battery Compatibility Guide

Direct Fit & Footprint Cross-Reference

27HR-780HD
Group Size GP27
12V 94Ah Left-Pos
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