TD5 Batteries
TD5 batteries for Defender and Discovery 2, including full-size starter batteries, high-cranking AGM batteries and dual-purpose AGM batteries for vehicles carrying additional electrical loads.
The Hankook MF31-1000 is our best-selling TD5 battery and fits the standard Defender TD5 and Discovery 2 battery trays. Yuasa provides another high-capacity starter battery, while Optima Red Top and Yellow Top cover high-cranking and dual-purpose use.
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Defender, Discovery & Range Rover Starter Battery – Yuasa 110Ah 925CCA | YBX3642
TD5 Batteries Defender TD5 Engine Parts Discovery 2 TD5 Engine Parts 200TDI Engine Parts Engine 300TDI Engine Parts 300TDI Starter Batteries 300TDI Engine Parts 200TDI Engine Parts 200TDI Engine Parts 300TDI Engine Parts 2.5 Turbo Diesel Defender Electrical Parts 2.5 NA 2.5 Petrol Discovery 2 Electrical Parts Electrical Electrics
Choosing a TD5 battery
The Hankook MF31-1000 is our best-selling TD5 battery and a straightforward full-size starter-battery choice for Defender TD5 and Discovery 2 TD5. The Yuasa YBX3642 provides another high-capacity conventional starter battery, while the Optima Red Top and Yellow Top cover high-cranking and dual-purpose AGM use.
| Battery | Best suited to | Key specification |
|---|---|---|
| Hankook MF31-1000 | Our best-selling TD5 starter battery for Defender and Discovery 2, with high capacity and strong cold-cranking performance. | 115Ah / 1000CCA |
| Yuasa YBX3642 | Heavy-duty Yuasa starter battery for normal TD5 starting duty. | 110Ah / 925CCA |
| Optima Red Top RTC4.2 | Compact AGM starter battery where high cranking output and vibration resistance are important. | 50Ah / 815CCA |
| Optima Yellow Top YTS5.5 | Dual-purpose AGM battery for starting combined with repeated loads from winches, lighting, fridges and other auxiliary equipment. | 75Ah / 975CCA |
| Draper 12V Battery Tester | Checking battery condition, cranking performance and alternator charging output before replacing parts. | Battery, cranking and charging tests |
Check TD5 battery fitment before ordering
Defender TD5 and Discovery 2 TD5 use different battery locations, and vehicles may also have auxiliary wiring, split-charge equipment or altered battery retention fitted over the years. When changing battery size or design, these four checks are worth making.
Battery dimensions
Compare the length, width and overall height of the battery, including the terminals, with the available battery box or tray space.
Compare the length, width and overall height of the battery, including the terminals, with the available battery box or tray space.
Terminal layout
Check whether the positive and negative terminal positions suit the existing battery leads without stretching or crossing them.
Check whether the positive and negative terminal positions suit the existing battery leads without stretching or crossing them.
Tray and hold-down
Confirm that the battery sits properly in the battery box or tray and can be secured using the vehicle’s existing clamp or retaining system.
Confirm that the battery sits properly in the battery box or tray and can be secured using the vehicle’s existing clamp or retaining system.
Starting performance
Compare the Ah capacity and CCA output, particularly for vehicles used in cold weather, fitted with accessories or left standing between journeys.
Compare the Ah capacity and CCA output, particularly for vehicles used in cold weather, fitted with accessories or left standing between journeys.
Starter, AGM and dual-purpose TD5 batteries
| Battery type | What it offers |
|---|---|
| Sealed-calcium starter battery | High-capacity conventional starting power for normal Defender TD5 and Discovery 2 TD5 use. |
| High-cranking AGM starter battery | Compact construction with strong cranking performance and high resistance to vibration. |
| Dual-purpose AGM battery | Engine starting combined with repeated auxiliary electrical loads and deeper cycling than a starter-only battery. |
| Battery tester | Checks battery condition, measured cranking performance and alternator charging output before parts are replaced. |
Related battery and electrical sections
| Section | Use it for |
|---|---|
| 12V Batteries for Land Rover | The complete starter, AGM and auxiliary battery range. |
| 300TDI Starter Batteries | Starter and AGM batteries for Defender, Discovery 1 and Range Rover Classic 300TDI. |
| Puma/TDCI Batteries | Battery choices for Defender 2.4 and 2.2 TDCI. |
| Leisure Batteries | Auxiliary, dual-purpose and dual-battery electrical use. |
| Defender Electrical Parts | Starting, charging and other electrical parts for Defender models. |
| Discovery 2 Electrical Parts | Starting, charging and other electrical parts for Discovery 2. |
| Electrical & Testing Equipment | Battery, charging-system and general vehicle electrical testing tools. |
