Battery 5TA915105B
When a battery begins to fail, signs may include slow engine cranking, dim headlights, and warning lights on the dashboard. Ignoring these symptoms can lead to unexpected breakdowns and the inability to start the vehicle altogether, making timely replacement essential.
Choosing this OEM battery with part number 5TA915105B means opting for a product that matches the vehicle's original specifications. It offers quality and performance assurance that aftermarket options often lack, minimizing the risk of compatibility issues.
Available in Stores
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Leith Volkswagen
Official Dealer
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Reydel VW of Linden
New
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$220 $198 | |
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Volkswagen
New
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Lewisville Volkswagen
New
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Vehicle Fitment
Vehicles confirmed compatible with this part
No vehicle fitment information available for this part.
Technical Specifications
| Voltage | 12 V |
|---|---|
| Capacity | 69–70 Ah |
| Cold Cranking Amperage (CCA) | 420 A |
| Battery Type | Enhanced Flooded Battery (EFB) |
| Length | 278 mm |
| Width | 175 mm |
| Height | 190 mm |
| Terminal Type | Type 1 |
| Hold-Down Type | B13 |
| OEM Part Number | 5TA915105B |
Enhanced Flooded Battery chemistry delivers superior charge-acceptance and cycle durability compared to standard lead-acid batteries, making it ideal for vehicles with start-stop systems.
Exact 278 × 175 × 190 mm dimensions and B13 hold-down type ensure a drop-in fit with no modifications required for compatible VW Group models.
Delivers reliable engine starts in cold conditions, meeting Volkswagen's factory specification for dependable ignition performance across operating temperatures.
Compatible Aftermarket Alternatives
The following aftermarket parts are confirmed direct equivalents for OEM 5TA915105B, cross-referenced from major manufacturer catalogs.
| Manufacturer | Part Number | Notes | Dimensions (mm) |
|---|---|---|---|
| SPEED | SPEE7904031 | EFB type, 70 Ah, 680 A CCA — higher CCA than OEM spec; same dimensions and battery type Recommended | 278 × 175 × 190 mm |
| SPEED | SPEEL370AFBMAX | EFB type, 70 Ah, 700 A CCA — highest CCA of listed alternatives; same form factor | 278 × 175 × 190 mm |
| ROCKET | EFB070RHN | EFB type, 70 Ah, 680 A CCA — direct-fit alternative with matching dimensions | 278 × 175 × 190 mm |
Always verify fitment against your VIN before ordering.
How to Replace the Battery
Battery replacement on compatible VW Group vehicles is a straightforward procedure achievable with basic hand tools. Follow all steps carefully to protect vehicle electronics and ensure a safe, secure installation.
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Preparation and Safety
Turn off the vehicle and remove the key from the ignition. Allow the engine to cool if recently running. Put on protective gloves and safety eyewear before proceeding.
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Access the Battery
Open the vehicle hood and locate the battery in the engine bay. Ensure adequate lighting to identify terminals and hold-down hardware clearly.
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Disconnect the Negative Terminal
Loosen the negative (–) terminal clamp bolt and slide the cable off the battery post first. Tuck the cable aside to prevent accidental contact during removal.
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Disconnect the Positive Terminal
Loosen the positive (+) terminal clamp bolt and remove the cable. Cover the positive cable end with a cloth or insulating material while it is disconnected.
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Remove the Old Battery
Unfasten the B13 hold-down clamp or bracket securing the battery to the tray. Carefully lift the battery straight out — note that it weighs approximately 15–18 kg.
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Install the New Battery
Lower the 5TA915105B into the battery tray ensuring correct terminal orientation (positive to the correct side). Reinstall the B13 hold-down clamp and torque to approximately 20–25 Nm per the service manual.
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Reconnect the Terminals
Connect the positive (+) terminal cable first, then the negative (–) terminal cable. Tighten both terminal clamps to approximately 5–7 Nm. Do not overtighten.
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Verify and Close
Confirm all connections are tight and no tools are left in the engine bay. Close the hood, start the vehicle, and verify all electrical systems operate normally.
Signs of a Worn Part
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Battery Warning Light Illuminated
The battery or charging system warning light on the dashboard indicates the battery is not maintaining proper voltage or the charging system is under stress.
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Difficulty Starting the Engine
Slow, labored cranking or failure to start — especially in cold weather — is a primary sign the battery can no longer deliver sufficient cold cranking amperage.
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Start-Stop System Deactivated
VW Group vehicles will automatically disable the start-stop function when the BMS detects the battery's state of health has declined below an acceptable threshold.
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Dim or Flickering Lights
Headlights, interior lights, or dashboard illumination appearing dim or flickering — particularly at idle — point to insufficient battery voltage output.
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Electrical Component Malfunctions
Random errors in power windows, infotainment, or other electrical accessories can result from an aging battery struggling to sustain stable voltage under load.
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Battery Discharges When Parked
A healthy EFB battery should hold charge over normal parking periods; frequent dead battery events after short periods suggest the battery can no longer hold an adequate charge.
Replacement Intervals
Volkswagen does not publish a fixed mileage or time-based replacement interval for this battery. Replacement should be based on load-test results during routine service inspections or when failure symptoms appear. Annual battery health checks are recommended for vehicles over 3 years old.
Frequently Asked Questions
Does the 5TA915105B need to be coded or registered after installation?
Yes. Volkswagen Group vehicles equipped with a Battery Management System (BMS) require the new battery to be registered using a compatible diagnostic tool such as VCDS or an official VW scan tool. Without registration, the BMS may apply an incorrect charging strategy designed for the old battery, reducing the new battery's lifespan.
Can I use a standard flooded (non-EFB) battery as a replacement?
No. Vehicles fitted with start-stop systems require a minimum EFB-rated battery. Installing a conventional flooded battery will result in rapid failure due to the increased charge/discharge cycling demands of the start-stop system.
Is an AGM battery a suitable upgrade over the OEM EFB 5TA915105B?
In most cases, yes — AGM batteries offer superior cycle life and charge acceptance compared to EFB. However, verify that the vehicle's charging system and BMS are compatible with AGM technology before substituting, and ensure the AGM unit has the same physical dimensions and hold-down type.
What vehicles is the 5TA915105B compatible with?
The 5TA915105B is confirmed compatible with the Volkswagen Beetle, Beetle Convertible, Golf, GTI, Jetta, and Jetta GLI (2018–2025 model years). The part also carries cross-application use on Audi, SEAT, Škoda, and Cupra models — verify your specific chassis and build date in an official parts catalogue before ordering.
What do the superseded part numbers 000915105CCDSP and 6R0915105B mean?
These are earlier VW Group part numbers that have been superseded by 5TA915105B. If your vehicle's parts catalogue or service history references either of those numbers, the 5TA915105B is the current correct replacement part.
How do I know if the battery has truly failed versus a charging system problem?
A proper diagnosis requires both a battery load test and a charging system test (alternator output test). A failing alternator can drain or undercharge a healthy battery, mimicking battery failure symptoms. Always test both before purchasing a replacement battery.
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