€328.69
The VARTA D54 Dynamic EFB (565500065) 12V 65Ah car battery delivers robust cyclic durability and high-rate discharge efficiency for modern passenger vehicles equipped with entry-level Start-Stop systems. Engineered in Germany to stringent Original Equipment (OE) benchmarks, this unit offers twice the cyclic endurance of conventional flooded batteries alongside dependable cold-cranking performance in extreme climates.
The VARTA Dynamic EFB D54 (565500065) is a high-performance 12-volt starter battery specifically formulated to handle the electrical strains imposed by modern driving profiles and entry-level Start-Stop architectures. Unlike standard flooded batteries, VARTA Enhanced Flooded Battery (EFB) technology utilizes an advanced polyester scrim layer on the surface of the positive active material. This internal scrim securely binds the active mass to the lead grid plate, dramatically mitigating active material shedding during cyclic discharge cycles and providing up to twice the cycle life of traditional SLI (Starting, Lighting, Ignition) batteries.
Constructed with high-grade lead-calcium-tin alloys and engineered in Germany, the D54 features an internal plate architecture that reduces internal resistance and maximizes dynamic charge acceptance. In urban stop-and-go driving environments, where frequent engine shutdowns place high cyclic demands on the cell group, this rapid charge acceptance ensures the battery quickly recovers state of charge from the vehicle alternator. Delivering an impressive 650 A Cold Cranking Amps (EN), the D54 provides immediate, decisive engine cranking even in sub-zero winter temperatures, sustaining high operational terminal voltage under intense inductive starter motor loads.
Mechanical integrity is reinforced throughout the internal assembly, utilizing rugged envelope separators that prevent dendritic micro-shorting while stabilizing the plate packs against intense engine-bay vibration. As a genuine Original Equipment spare part, the D54 meets and exceeds the exacting structural and electrochemical quality standards dictated by European vehicle manufacturers, ensuring that auxiliary components—including heated seats, navigation consoles, and infotainment systems—receive steady, ripple-free direct-current power.
| Specification Parameter | Technical Value |
|---|---|
| Nominal Voltage | 12V (6 Cells) |
| Nominal Capacity (20-Hour Rate) | 65 Ah |
| Cold Cranking Amps (CCA @ -18°C EN) | 650 A |
| European Type Numeric (ETN) | 565500065 |
| VARTA Short Code | D54 |
| UK Industry Code | 100EFB |
| DIN / European Box Size | T6 / LB3 (Low Box) |
| Dimensions (L x W x H) | 278 mm x 175 mm x 175 mm |
| Internal Chemistry | Enhanced Flooded Lead-Acid (EFB) |
| Terminal Type | Standard European Automotive T1 (Post) |
| Hold-Down Flange | B13 |
| Maintenance Profile | 100% Maintenance-Free |
Modern vehicles engineered with entry-level Start-Stop systems require a battery capable of deep, repetitive micro-cycles without suffering from premature capacity loss or acid stratification. The VARTA D54 100EFB is specifically tailored for European and global vehicles that utilize the standardized low-height LB3/T6 case format (278 x 175 x 175 mm). Its low 175 mm profile allows it to slide cleanly into compact battery trays found in vehicles engineered by Ford, Opel, Vauxhall, Renault, Peugeot, and other major platforms with height-restricted battery compartments.
When replacing a factory battery, matching internal chemistry is critical. If your vehicle was fitted from the factory with an EFB, replacing it with another EFB—such as the VARTA D54—or upgrading to an AGM is recommended. Downgrading an original-equipment EFB setup to a standard flooded SLI battery will lead to premature cell failure, disabled Start-Stop functionality, and diagnostic fault codes generated by the vehicle Battery Management System (BMS). Note that vehicles originally fitted with an Absorbent Glass Mat (AGM) battery should never be downgraded to an EFB, as the vehicle charging profile is tuned strictly for AGM parameters.
To preserve performance and guarantee safety, follow standard electrical isolation protocols during installation. Always switch off the vehicle ignition and all electrical consumers prior to disconnecting the existing unit. Disconnect the negative (ground) black terminal first to eliminate the risk of short-circuits caused by hand tools contacting the chassis, followed by the positive red lead. Clean all terminal posts and vehicle cable clamps with a wire brush to remove oxidation, and apply a light coating of dielectric acid-free terminal grease to the clamped connection to ward off corrosion.
Mount the battery firmly using the B13 base hold-down flange to prevent road vibrations from causing mechanical stress to the cell elements. On vehicles equipped with an intelligent Battery Sensor (IBS) or Battery Management System (BMS), register the replacement battery via an OBD-II diagnostic tool to reset the alternator charging profile and state-of-health tracking algorithms. If the vehicle is stored seasonally, maintain the battery using an automatic smart charger with a dedicated EFB/wet charging mode, ensuring floating charge voltages remain between 13.6V and 13.8V to avoid electrolyte dehydration.
Yes. The VARTA D54 Dynamic EFB is engineered specifically for vehicles featuring entry-level Start-Stop systems and vehicles with higher-than-average electrical requirements. Its active material scrim and specialized plate construction provide twice the cyclic endurance of conventional batteries, ensuring consistent performance during continuous engine restart cycles.
An EFB (Enhanced Flooded Battery) utilizes liquid electrolyte combined with a polyester scrim on the positive plate, offering twice the cycle life of a standard battery. An AGM (Absorbent Glass Mat) battery immobilizes the electrolyte in micro-glass fleece, providing up to three times the cycle life and handling regenerative braking. You should never replace a factory AGM with an EFB, but replacing an original-equipment EFB with this VARTA D54 matches factory specifications perfectly.
No. The VARTA D54 is completely maintenance-free throughout its entire operational lifecycle. It incorporates a labyrinth-style internal lid that traps evaporating electrolyte and condenses it back into the individual cells, eliminating water loss under normal charging conditions.
The D54 uses the standardized European T6/LB3 casing, which features a reduced height of 175 mm compared to standard 190 mm L3 battery enclosures. This low-box form factor is required by various manufacturers (such as Ford and General Motors/Opel) where under-hood clearances or bulkhead brackets restrict vertical space.
If your vehicle is equipped with a Battery Management System (BMS) or Intelligent Battery Sensor (IBS)—common on Start-Stop vehicles—you should register the new battery using an OBD-II diagnostic tool. This step resets the alternator charging algorithms, prevents overcharging or undercharging, and re-enables Start-Stop operation immediately.
| Weight | 6967131678 kg |
|---|---|
| Dimensions | 27.8 × 17.5 × 17.5 cm |
Verified technical specifications, vehicle compatibility, and maintenance answers.
Yes, the Varta D54 (565500065) is engineered specifically for vehicles equipped with entry-level to mid-range Start-Stop systems without regenerative braking recovery. Utilizing Enhanced Flooded Battery (EFB) technology, it delivers twice the cyclic endurance of standard flooded batteries to handle frequent engine re-starts. Note: If your vehicle was fitted from the factory with an Absorbent Glass Mat (AGM) battery, you must not downgrade to this EFB model; AGM vehicles require AGM replacements. However, the D54 is an exceptional direct upgrade for standard wet-cell vehicles with high auxiliary electrical demands.
EFB, Light Vehicles, Starter Batteries
Dynamic, Starter Batteries
EFB, Light Vehicles, Starter Batteries
Light Vehicles, Starter Batteries
