Exide

Exide EN850 · Boat battery 12V 110Ah 750A

Reference: BOL-EXIDE-EN850 · EAN 3661024036078

The Exide EN850 is a boat battery with 12 V, 110 Ah and 750 A cold cranking current, measuring 349 × 175 × 235 mm, with the positive terminal on the left.

The Exide EN850 at a glance

The Exide EN850 is a battery for boats: engine starting or on-board service, depending on its design, with resistance to damp and hull vibration. Fit the EN850 securely on board and away from bilge water.

The EN850 belongs to the Exide EXIDE MARINA START range. See all Exide batteries

Equivalents and alternatives to the Exide EN850

Same dimensions and polarity as the EN850, with similar capacity and cranking power; as a conventional battery, the EN850 can also be replaced by an EFB or AGM of the same size if you want more cycles.

ModelTechnologyCapacityCold cranking (EN)Dimensions (mm)
Exide ER550Lead-acid115 Ah760 A349 × 175 × 235

Exide EN850 vs ER550 and ER570

How the EN850 compares with Exide batteries of similar size and capacity:

ModelCapacityCold cranking (EN)Dimensions (mm)PositiveWeight
Exide EN850 (this one)110 Ah750 A349 × 175 × 235left25.4 kg
Exide ER550115 Ah760 A349 × 175 × 235left27.8 kg
Exide ER570120 Ah760 A349 × 175 × 235left27.3 kg
  • Exide ER550: 5 Ah more, 10 A more cranking power, the same dimensions.
  • Exide ER570: 10 Ah more, 10 A more cranking power, the same dimensions.

Lead-acid technology in the EN850

The EN850 is a conventional lead-acid battery, with plates immersed in liquid electrolyte. Avoid leaving them discharged, as they sulphate, and charge them with a charger that cuts off or switches to maintenance when finished.

Before ordering the EN850, check this

  • The EN850 needs 349 × 175 × 235 mm of space: measure it with the hold-down clamp in place.
  • The EN850 has the positive terminal on the left: compare it with your current battery.
  • Your current battery should say about 110 Ah; a little more is also fine.
  • Check the EN amps on your battery: if it says 750 A or less, the EN850 covers your engine.

Exide EN850 codes and part numbers

The EN850 is listed under these codes on labels, in garages and in catalogues:

Commercial referenceEN850
EAN3661024036078
Not to be confused withExide EZ850 (100 Ah, 900 A, positive terminal on the right), Exide EN750 (74 Ah, 680 A, positive terminal on the right), Exide EN800 (90 Ah, 720 A, positive terminal on the right)

Frequently asked questions about the Exide EN850

Exide EN850 or ER550?

Compared with the EN850, the Exide ER550 has 5 Ah more and 10 A more cranking power. If your current battery says 760 A or more, choose the ER550; if it says 750 A or less, the EN850 is enough. Both measure 349 × 175 × 235 mm, so they fit the same tray.

How much does the Exide EN850 weigh?

The EN850 weighs 25.4 kg. For reference, the Exide ER550 (115 Ah) weighs 27.8 kg.

Which battery is equivalent to the Exide EN850?

With the same dimensions, polarity and similar capacity you have the Exide ER550. As the EN850 is a conventional battery, an EFB or AGM of the same size also works.

Which side is the positive terminal on the Exide EN850?

The EN850 has the positive terminal on the left, looking at the battery from its long side with the terminals closest to you.

Can the Exide EN850 be used for starting and service at the same time?

Only if it is dual purpose. A starter battery is not built for deep discharge, and a service battery does not deliver the current peak the engine asks for.

Keep comparing: alternatives to the EN850

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