Tudor TX1803 Super Heavy Duty EFB · Truck battery 180Ah 1000A

Yes, it is EFB: a flooded lead-acid battery whose plates carry reinforcing additives (what is an EFB). For cycles it sits between a conventional battery and an AGM, and it costs less than an equivalent AGM; it is the technology for trucks with basic Start-Stop, without regenerative braking.

Yes. It is a EFB battery of 180 Ah, designed for vehicles with Start-Stop. EFB batteries cover basic Start-Stop (no regenerative braking). It needs nothing to work, though on most modern trucks registering it via OBD is advisable so the alternator adjusts its charging profile. As a rule: EFB for basic Start-Stop, AGM when there is also regenerative braking (more cycles); in any case, what the truck manufacturer specifies.

Most lorries, buses and tractors run on 24 V with two 12 V batteries connected in series. Always replace both at the same time and with the same model: if one is new and the other old, they become unbalanced and both last less.

Estimated lifespan of the Tudor TX1803: 5 to 7 years in lorry use, even with high power draw while parked. Treat it as an approximate guide, as every case is different. What weighs most: temperature (cold makes starts harder and intense heat evaporates the electrolyte), frequent short trips, the condition of the alternator and charging system, power draw while parked and maintenance, not forgetting the type of truck and Start-Stop.

Measure your truck's battery tray first; if the battery exceeds it by even a millimetre, the hold-down clamp may not close. Length × width × height: 513x223x223 mm. Height is measured to the top of the terminals.

The TX1803 has the positive on the left: that is its polarity. It must match your current battery: reversed polarity means lengthening cables or reconfiguring the system, with a risk of short circuit. Face the battery with its terminals nearest you and see which side the positive post (+, red ring) is on.

Three routes: the "Compatible vehicles" tab on this page, with the vehicles verified by our technical team; your number plate in the finder, from which DGT/DVLA/KBA detect model and engine; and WhatsApp, with make, model, engine and year, during business hours (Mon–Fri 10:00–13:30 and 16:30–18:00 (Spanish time, CET)). If our table and the truck handbook disagree, go with what the manufacturer says. The compatibility list for the TX1803 runs to 141 verified vehicle versions.

Technology matters too: in Start-Stop trucks, an EFB cannot be replaced with a conventional battery. The options at the same level are in the "Equivalents" section of this page. A direct equivalent needs what this TX1803 offers: 513×223×223 mm, positive on the left, the same Ah and CCA and EFB technology.

Thicker grids plus carbon and polyethylene additives in the plates: that is what sets an EFB apart from a conventional flooded battery. The result is more cycles and more resistance to deep discharges, without reaching AGM level. Renault Energy TCe, Peugeot/Citroën PureTech, Fiat MultiAir, Hyundai/Kia ISG and Ford EcoBoost are examples of basic Start-Stop (no regenerative braking) fitted with it from new. EFB is the right technology if your truck came with one from the factory (moving up to AGM is optional and the gain marginal). If it came with an AGM, fit an AGM instead.

It is not strictly necessary on most trucks, because the alternator detects the change and adapts the charge. The advisable step is to register it via OBD: the charging profile is optimum from the first minute and the battery lasts longer, especially on brands with sophisticated BMS (BMW, Mercedes, Audi, Volvo, Land Rover). Any garage with an OBD scanner can do it in a few minutes. If you prefer to do it yourself: VCDS / Carista (VAG), Bimmercode (BMW) or iCarsoft. Even if you do not register the Tudor TX1803, the truck will start correctly; the profile adjusts within a few days.