What does AGM mean on a battery?

AGM (Absorbent Glass Mat) is a sealed lead-acid technology where the electrolyte is absorbed into a glass fibre mat. It is leak-proof, withstands more charge/discharge cycles and tolerates heat better than conventional batteries. AGM is fitted to agricultural machinery with advanced Start-Stop and regenerative braking.

Which agricultural machinery use AGM batteries?

agricultural machinery with advanced Start-Stop, regenerative braking or high electrical loads (advanced driver assists, permanent climate control, heated seats). Brands like BMW, Audi, Mercedes-Benz and Volvo have fitted AGM as standard since around 2010 on their efficient-engine models.

How long does an AGM battery last?

Between 5 and 8 years under normal conditions — 50% to 100% longer than a conventional battery. Real-world life depends on Start-Stop usage, extreme temperatures and short-trip frequency. If the vehicle does many short trips or has very active Start-Stop, check the battery from year 5 onwards.

Can I fit an AGM in place of an EFB or conventional battery?

Yes — AGM can replace EFB or conventional batteries (AGM is the superior technology). What you must NEVER do is the opposite: fit an EFB or conventional in a vehicle that originally had AGM — it would degrade within months and Start-Stop would fail.

Do I need to register the AGM battery when I replace it?

Yes — most modern cars with a BMS (Battery Management System) require the new battery to be registered via OBD so the alternator applies the correct charging profile. Without this step the battery will be charged incorrectly and lifespan will be cut significantly. Any workshop with a basic OBD tool can do it (~£10-20).

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AGM agricultural batteries

AGM agricultural batteries are built for machinery operating in tough conditions: tractors, harvesters, forklifts and equipment with demanding electrical systems.

Vibration resistance for heavy field use.
Strong cold cranking with cyclic capacity for accessories and auxiliary lights.
Maintenance-free: no water top-up, no spills even when tilted.

See all AGM batteries →

Compatible batteries

Receive them tomorrow before 2 PM if you order before 6 PM (Spain mainland and Portugal only).

Before you buy: check 3 key points

Although the batteries shown are sourced from information provided by manufacturers, we recommend checking on your current battery:

Dimensions (length × width × height, including terminals and protrusions)
The dimensions shown are the maximum of the battery and include the height of the terminals, small ridges at the base and any lateral protrusions. Measure your current battery completely, from edge to edge. The new one must be the same size or slightly smaller — never larger, it would not fit in the housing.
Positive terminal (left or right viewed from the front — check the battery photo carefully)
Stand facing the battery, with the manufacturer's label facing you and the terminals on top. Locate the terminal marked with +: if it is on your right, it is "positive right"; if it is on your left, it is "positive left". Do not rely on how the battery is mounted in the car — the position is always measured looking only at the battery itself.
Technology (AGM, EFB or conventional — Start-Stop requires AGM or EFB)
Depending on the manufacturer, the same technology may be labelled differently: AGM may also appear as VRLA, AGM Start-Stop or AGM Deep Cycle. EFB may appear as EF, EFB+ or Enhanced Flooded Battery. Conventional may appear as SLI, Lead-Acid, Wet or Standard. If your vehicle has Start-Stop, the battery must be AGM or EFB — never conventional.

If you have any questions, just ask us and we'll be glad to advise you with no obligation.

This engine comes with an AGM/EFB battery as standard: the car's charging system requires it even without Start-Stop. If in doubt, message us and we will confirm.

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Online batteries · Varta distributor · Express 24h delivery · Batteries by capacity (Ah) · by size

AGM agricultural batteries

Compatible batteries

Car battery Exide EA1000 12V 100Ah 900A

Car battery Tudor TA1000 12V 100Ah 900A

Car battery Varta H3 12V 100Ah 830A

Truck battery Tudor TF1202 12V 120Ah 870A

Truck battery Varta M12 12V 180Ah 1400A

Start-Stop battery Exide EK950 12V 95Ah 850A AGM

Start-Stop battery Varta G14 12V 95Ah 850A AGM

Marine battery Exide EP450 12V 50Ah 750A AGM

Truck battery Varta M18 12V 180Ah 1000A

Truck battery Tudor TF1853 12V 185Ah 1150A

Truck battery Varta I9 12V 120Ah 780A

Truck battery Varta I18 12V 110Ah 680A

Start-Stop battery Varta N95 12V 95Ah 850A EFB

Truck battery Varta M11 12V 154Ah 1150A

Truck battery Exide EF1202 12V 120Ah 870A

Truck battery Tudor TG1102 12V 110Ah 750A

Truck battery Varta B90 12V 190Ah 1050A EFB

Truck battery Exide EG1102 12V 110Ah 750A

Marine battery Varta LED240 12V 240Ah EFB

Truck battery Varta C40 12V 240Ah 1200A EFB

Truck battery Tudor TG1355 12V 135Ah 1000A

Truck battery Tudor TF2353 12V 235Ah 1300A

Marine battery Exide EM1000 12V 50Ah 800A AGM

Truck battery Exide EE2353 12V 235Ah 1200A EFB

Truck battery Exide EF2353 12V 235Ah 1300A

Truck battery Tudor TE2353 12V 235Ah 1200A EFB

Truck battery Exide EG1355 12V 135Ah 1000A

Truck battery Kronobat SHD-180.3 12V 180Ah 1000A

Truck battery Tudor TX1803 12V 180Ah 1000A EFB

Truck battery Tudor TJ1723 12V 172Ah 1390A

Truck battery Tudor TJ165A1 12V 165Ah 850A

Truck battery Tudor TG1100 12V 110Ah 750A

Truck battery Exide EG1100 12V 110Ah 750A

Car battery Tudor TB110B 12V 110Ah 950A

Truck battery Exide EJ1723 12V 172Ah 1390A

Caravan battery Kronobat DP-190-EFB 12V 190Ah 1050A EFB

Caravan battery Q-battery 12SEM-120 12V 120Ah

Traction battery Q-battery 12TTB-115 12V 115Ah

Truck battery Kronobat HD-135.3 12V 135Ah 1000A