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MB9U Motobatt Motorcycle Battery
MB9U Motobatt Motorcycle Battery
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Technical Specifications
| Specification | Details |
|---|---|
| Model | Motobatt MB9U |
| Voltage | 12V |
| Capacity | 11 Ah (10HR) |
| Cold Cranking Amps (CCA) | 165 – 166 CCA |
| Dimensions (LWH) | 136 x 76 x 133 mm (Terminal Heights up to 154 mm with spacers) |
| Weight | 3.40 kg |
| Terminal Configuration | Quad Flex (4C) Multi-Terminal System |
The Motobatt MB9U Powersports Battery delivers an advanced, highly versatile starting solution engineered specifically to maximise performance in classic road bikes, scooters, and lightweight powersports applications. Featuring Motobatt's innovative Quadflex 4-terminal design, this unit balances optimal cranking authority with an expanded internal capacity layout. By utilising commonly wasted space within traditional standard outer casings, Motobatt packs up to 20% more grid surface area into a rugged, military-grade Absorbed Glass Mat (AGM) configuration. Factory-activated, completely spill-proof, and highly vibration-resistant, it arrives fully sealed and ready for adventure, with no manual acid management required.
Perfect for riders who demand:
- ✓ Up to 20% more amp-hour capacity over standard baseline replacements for extended power supply
- ✓ Premium vibration defence via military-grade AGM separators to handle winding blacktop and gravel outback paths
- ✓ A simple, factory-sealed "check charge and go" setup backed by a comprehensive 12-month full replacement warranty
Key Features & Benefits
Maximised Plate Architecture
- • Clever internal layout reclaims standard wasted space to optimise internal plate surface areas
- • Heavy-duty pure lead-calcium cast grids add excellent mechanical rigidity and structural strength
- • Expanded surface dimensions ensure faster, more stable start cycles compared to stock alternatives
Quad Flex Multi-Terminal Design
- • Unique 4-terminal setup provides universal replacement access and flexible cable orientation paths
- • Drastically simplifies adding aftermarket accessories like GPS tracking units or auxiliary charging leads
- • Supplied complete with precise terminal hardware, pairing terminal caps, screws, and modular alignment bottom spacers
Absorbed Glass Mat Sealing
- • Active liquid acid is completely suspended within porous military-grade fibreglass mat separators
- • Eliminates structural electrolyte spilling worries and prevents ongoing corrosion tracking inside the frame
- • Zero-maintenance setup removes the need for checking fluid levels or completing routine water refills
Low Passive Discharge
- • Highly refined alloys strongly curtail active self-discharge rates during off-season standby
- • Retains a healthy state-of-charge over extended seasonal breaks between weekend rides
- • Solid 3.40 kg package delivers reliable power recovery under varied Australian ambient climates
Advantages & Considerations
Advantages
- ✓ Fully factory activated—safely handles and mounts right away with zero loose chemical handling required
- ✓ Dual-purpose cross-compatibility replaces a massive range of complex traditional wet-cell factory options
- ✓ Advanced vibration-dampening design preserves internal alignment across aggressive terrain
- ✓ Full 12-month replacement warranty provides solid peace of mind and breakdown protection
Considerations
- • Requires an AGM-compatible smart tender or charger during periods of long-term winter storage
- • Ensure terminal accessory bolts are securely tightened to prevent high-vibration power tracking drops
- • Multi-fit casing relies on the included modular bottom spacers (6mm and 15mm) to adapt perfectly to taller factory heights
Frequently Asked Questions
What is the lifespan of this battery?
In classic powersports and motorcycle applications, this premium AGM cell typically delivers a highly reliable service lifespan of 3 to 5 years. Actual durability is heavily influenced by the health of the vehicle regulator and by maintaining proper off-season minimum voltage with a maintenance charger.
Is this battery maintenance-free?
Yes, this battery is entirely maintenance-free. Advanced Absorbed Glass Mat technologies permanently retain internal fluid, sealing cells completely so you never have to complete physical manual hydration checks or fluid top-ups.
What vehicles/applications is this battery compatible with?
This starting cell is explicitly engineered for classic and modern motorbikes, touring platforms, and scooters. Its incredible replacement versatility allows it to directly swap out dozens of conventional JIS footprints, including the YB7 and YB9 series.
How should I store this battery during extended vehicle idleness?
Store the unit in a clean, dry, and cool location, sheltered from direct seasonal elements and harsh winter frosts. Ensure it receives a full 100% state-of-charge top-up prior to storage. Highly stable internal grids preserve static capacity efficiently over idle stretches.
Battery Compatibility Guide
Direct Replacement & Cross-Reference Models

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