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Defender New Battery

Modern Defender L663 batteries power sophisticated electronic systems that demand reliable, high-capacity power sources. The advanced start-stop technology, electronic parking brakes, and multiple control modules require batteries with excellent reserve capacity and rapid charge acceptance to maintain optimal performance across all vehicle systems.

Battery Technology and Requirements

L663 Defenders use AGM (Absorbent Glass Mat) or EFB (Enhanced Flooded Battery) technology that handles frequent charge cycles from start-stop systems. These batteries resist vibration better than conventional units and maintain voltage stability during high electrical loads. The ignition system and advanced engine management rely on consistent power delivery for optimal operation.

Battery monitoring systems track charge state and health, providing early warning of replacement needs. Quality replacement batteries must match original specifications to ensure proper system operation and avoid diagnostic issues with the sophisticated electronic architecture.

Defender 2019 on Battery

Battery 95AH 855CCA - LR094642P1 - OEM

Usually in stock at our supplier, allow 1 week for delivery

£235.00

£235.00 ex VAT
£282.00inc UK VAT

All models

Battery 151 15AH 200CCA Start Stop - LR176847P - Aftermarket

Usually in stock at our supplier, allow 1 week for delivery

£134.00

£134.00 ex VAT
£160.80inc UK VAT

All models

BATTERY

Usually in stock at our supplier. Allow 2-3 working days for despatch

£193.04

£193.04 ex VAT
£231.65inc UK VAT

All models

Frequently Asked Questions

Are L663 batteries different from standard automotive batteries?

Yes, L663 batteries use AGM or EFB technology specifically designed for start-stop systems and high electrical loads. Standard batteries cannot handle the frequent cycling and sophisticated electronic demands.

Can I replace the battery myself?

Battery replacement typically requires electronic system reset procedures after installation. Many garages can perform the work, though specialist diagnostic equipment may be needed to properly register the new battery with vehicle systems.

How long do modern Defender batteries last?

Quality batteries typically last 4-6 years depending on usage patterns and climate. Start-stop systems and frequent short journeys can reduce lifespan, making regular testing important for reliability.

Will a higher capacity battery improve performance?

Batteries must match manufacturer specifications for capacity and technology type. Incorrect specifications can cause charging system problems or electronic malfunctions, making proper specification matching essential.

Complement your electrical system with engine components and filtration systems for complete maintenance. For technical guidance, contact our specialists or explore our maintenance expertise.