Exide

Exide ER350 · Boat battery 12V 80Ah 570A

Reference: BOL-EXIDE-ER350 · EAN 3661024036009

The Exide ER350 is a boat battery with 12 V, 80 Ah and 570 A cold cranking current, measuring 270 × 173 × 222 mm, with the positive terminal on the left.

The Exide ER350 at a glance

The Exide ER350 is a battery for boats: engine starting or on-board service, depending on its design, with resistance to damp and hull vibration. Check whether your boat needs starting, service or a dual-purpose battery before choosing.

The ER350 belongs to the Exide EXIDE MARINA DUAL ER range. More Exide batteries

Equivalents and alternatives to the Exide ER350

We have no other battery with exactly the dimensions and polarity of the ER350. Browse the rest of our marine and boat batteries to compare close options.

Exide ER350 vs EZ650 and ER450: which one to choose?

How the ER350 compares with Exide batteries of similar size and capacity:

ModelCapacityCold cranking (EN)Dimensions (mm)PositiveWeight
Exide ER350 (this one)80 Ah570 A270 × 173 × 222left17.8 kg
Exide EZ65075 Ah750 A260 × 173 × 222left19 kg
Exide ER45095 Ah720 A306 × 173 × 222left21.7 kg
  • Exide EZ650: 5 Ah less, 180 A more cranking power, a different case (260 × 173 × 222 mm), EFB technology.
  • Exide ER450: 15 Ah more, 150 A more cranking power, a different case (306 × 173 × 222 mm).

Lead-acid technology in the ER350

The ER350 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.

What to look at before buying the ER350

  • Measure the space: the ER350 takes up 270 × 173 × 222 mm.
  • The ER350 has the positive terminal on the left: compare it with your current battery.
  • With 80 Ah, the ER350 replaces an original battery of that capacity or slightly less.
  • Cold cranking: 570 A (EN), equal to or higher than the original.

Part numbers and codes for the Exide ER350

The ER350 is listed under these codes on labels, in garages and in catalogues:

Commercial referenceER350
EAN3661024036009
Not to be confused withExide ER450 (95 Ah, 720 A), Exide ER550 (115 Ah, 760 A), Exide ER650 (142 Ah, 850 A)

Frequently asked questions about the Exide ER350

ER350 or EZ650: which one suits me?

Compared with the ER350, the Exide EZ650 has 5 Ah less, 180 A more cranking power and EFB technology. If your current battery says 750 A or more, choose the EZ650; if it says 570 A or less, the ER350 is enough. Mind the space: the EZ650 measures 260 × 173 × 222 mm.

How much does the Exide ER350 weigh?

17.8 kg, with 80 Ah of capacity. For reference, the Exide EZ650 (75 Ah) weighs 19 kg.

Which side is the positive terminal on the Exide ER350?

On the ER350, the positive terminal is on the left with the terminals facing you: compare it with your current battery, because with reversed polarity the cables will not reach.

Which charger does the Exide ER350 need?

An automatic lead-acid charger with cut-off or maintenance mode, rated at 10 to 20% of its capacity in amps. If it is a vented type, check the electrolyte level and top up only with distilled water.

Other options if you are unsure about the ER350

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