Q-Battery

Q-Battery 12SEM-80 · Motorhome battery 12V 80Ah

Reference: BOL-QBATTERY-12SEM-80

Q-Battery 12SEM-80: motorhome battery with 12 V and 80 Ah, measuring 278 × 175 × 190 mm, with the positive terminal on the right.

The Q-Battery 12SEM-80 at a glance

The Q-Battery 12SEM-80 is made for the living area of a motorhome. With 80 Ah, the 12SEM-80 runs the leisure loads for several nights depending on use.

The 12SEM-80 belongs to the Q-Battery SEMITRACTION BATTERY range. See all Q-Battery batteries

Equivalents and alternatives to the Q-Battery 12SEM-80

No other reference in the catalogue fully matches the dimensions and polarity of the 12SEM-80; you will find the closest ones among our leisure batteries for motorhomes and caravans.

Q-Battery 12SEM-80 vs 12SEM-60 and 12SEM-105

The real differences between the 12SEM-80 and the closest Q-Battery models:

ModelCapacityDimensions (mm)PositiveWeight
Q-Battery 12SEM-80 (this one)80 Ah278 × 175 × 190right19.5 kg
Q-Battery 12SEM-6060 Ah246 × 175 × 190right17 kg
Q-Battery 12SEM-105105 Ah353 × 175 × 190right25 kg
  • Q-Battery 12SEM-60: 20 Ah less, a different case (246 × 175 × 190 mm).
  • Q-Battery 12SEM-105: 25 Ah more, a different case (353 × 175 × 190 mm).

Inside the 12SEM-80: lead-acid technology

Inside, the 12SEM-80 is classic lead-acid: liquid electrolyte and lead plates. It is a robust, well-known technology with a good capacity-to-price ratio, and still the basis of most cars, trucks and traction equipment.

What to look at before buying the 12SEM-80

  • Measure the space: the 12SEM-80 takes up 278 × 175 × 190 mm.
  • With the terminals facing you, the positive terminal of the 12SEM-80 is on the right.
  • Capacity of the 12SEM-80: 80 Ah; the same as your current battery or slightly more is fine.

Q-Battery 12SEM-80 codes and part numbers

Shops, garages and catalogues identify the 12SEM-80 with these codes:

Commercial reference12SEM-80
Terminal typeA-Pole
Not to be confused withQ-Battery 12SEM-60 (60 Ah), Q-Battery 12SEM-180 (180 Ah)

Frequently asked questions about the Q-Battery 12SEM-80

Q-Battery 12SEM-80 or 12SEM-60?

Compared with the 12SEM-80, the Q-Battery 12SEM-60 has 20 Ah less. With 80 Ah, the 12SEM-80 runs longer between charges than the 12SEM-60 (60 Ah). Mind the space: the 12SEM-60 measures 246 × 175 × 190 mm.

How much does the Q-Battery 12SEM-80 weigh?

The 12SEM-80 weighs 19.5 kg. For reference, the Q-Battery 12SEM-60 (60 Ah) weighs 17 kg.

Which side is the positive terminal on the Q-Battery 12SEM-80?

The 12SEM-80 has the positive terminal on the right, looking at the battery from its long side with the terminals closest to you.

Which charger does the Q-Battery 12SEM-80 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 12SEM-80

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