SuperCharge MF66H GoldPlus Automotive Battery

12V • 90Ah • 800 CCA • N66H Case • Maintenance-Free Calcium

Product Overview

The SuperCharge MF66H from the GoldPlus range is a sealed, maintenance-free calcium battery engineered to deliver reliable starting power and strong reserve capacity for modern vehicles. Its dense plate design and calcium technology provide dependable cranking performance, low self-discharge, and resilience under Australian conditions.

Delivered fully charged and spill-proof, the MF66H installs easily and is ideal for vehicles with higher accessory demands, offering consistent voltage and dependable reserve capacity.

Key Features

  • 800 CCA for confident cold and hot weather starting
  • 90Ah capacity with 165-minute reserve capacity at 25A
  • Sealed SMF calcium construction – no topping up required
  • Factory charged and spill-proof for safe installation
  • Durable design with vibration and corrosion resistance
  • N66H case size for broad compatibility across vehicles

Technical Specifications

Battery Type
Maintenance-Free (SMF Calcium)
Nominal Voltage
12V
Capacity (20hr)
90Ah
Cold Cranking Amps (CCA)
800
Reserve Capacity (RC)
165 min @ 25A
Case Size
N66H (DIN66H)
Dimensions (L × W × H)
277 × 175 × 190 mm
Approx. Weight
≈ 18.7 kg
Terminal / Assembly
Standard Top Post • Pos Right
Warranty (private use)
Up to 50 months (conditions apply)

Why Choose the SuperCharge MF66H?

The MF66H provides the confidence of high cranking output combined with a generous reserve capacity, making it a strong option for modern vehicles with greater electrical needs. Its sealed calcium build minimises maintenance, while its vibration-resistant design ensures long life in tough conditions. Ideal for drivers needing reliable power day-to-day or on longer trips.

Voltage12
CCA800
Amp Hour90
Length MM277
Width MM175
Height MM190
Terminal Height MM190
Warranty50
AssemblyPositive Right
Post typeSAE
Battery TypeCalcium
Weight KG17.4
Model # MF66H
Barcode # 09324503002509

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Is the SuperCharge MF66H maintenance free?
Yes. The MF66H is a sealed SMF calcium battery and does not require topping up with water during normal service.
What are the key specifications of the MF66H?
12V, 90Ah (20-hour), 800 CCA, 165 minutes reserve capacity @ 25A, case size N66H (DIN66H), dimensions 277 × 175 × 190 mm, terminal orientation Pos Right.
Which vehicles does the MF66H suit?
It suits many vehicles requiring an N66H (DIN66H) footprint and high cranking output. Always confirm against your vehicle’s OE spec for capacity, CCA, dimensions, and terminal position.
What does “Pos Right” mean for this battery?
Viewed from the front with terminals closest to you, the positive (+) post is on the right. Check cable reach and clamp orientation before purchase.
Does the MF66H come charged and ready to install?
Yes. It’s supplied factory charged and ready to fit. If the vehicle has sat for a while, a top-up charge can optimise performance.
What warranty applies for private use?
Up to 50 months for private use (conditions apply). Commercial or taxi/ride-share use may have different terms.
Can I use this battery with stop-start systems or as a deep-cycle battery?
The MF66H is a starting battery. For vehicles with stop-start, use the specified EFB/AGM type.
What charger should I use to maintain the MF66H off-vehicle?
Use a modern 12V smart charger with a standard lead-acid/Calcium profile and appropriate current (about 10–15% of Ah capacity is typical). Avoid AGM-only profiles.
What are the installation tips for best results and life span?
Confirm fit and Pos Right orientation, clean clamps, tighten to spec, secure hold-down, and check the alternator is charging correctly. Avoid frequent deep discharges.
How should I store the battery if it’s not in use for weeks or months?
Store fully charged in a cool, dry place and maintain with a smart maintainer. Recharge if open-circuit voltage drops below ~12.5V.

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