Q-Battery

Q-Battery 12SEM-105 · Motorhome battery 12V 105Ah

Reference: BOL-QBATTERY-12SEM-105

The Q-Battery 12SEM-105 is a motorhome battery with 12 V and 105 Ah, measuring 353 × 175 × 190 mm, with the positive terminal on the right.

The Q-Battery 12SEM-105 at a glance

The Q-Battery 12SEM-105 is made for the living area of a motorhome. The 12SEM-105 powers the living area, separate from the vehicle's starter battery.

The 12SEM-105 belongs to the Q-Battery SEMITRACTION BATTERY range. More Q-Battery batteries

Equivalents and alternatives to the Q-Battery 12SEM-105

No other reference in the catalogue fully matches the dimensions and polarity of the 12SEM-105; you will find the closest ones among our leisure batteries for motorhomes and caravans.

Q-Battery 12SEM-105 vs 12SEM-120 and 12SEM-80

Torn between the 12SEM-105 and another similar Q-Battery? This is what changes:

ModelCapacityDimensions (mm)PositiveWeight
Q-Battery 12SEM-105 (this one)105 Ah353 × 175 × 190right25 kg
Q-Battery 12SEM-120120 Ah347 × 175 × 234right29.9 kg
Q-Battery 12SEM-8080 Ah278 × 175 × 190right19.5 kg
  • Q-Battery 12SEM-120: 15 Ah more, a different case (347 × 175 × 234 mm).
  • Q-Battery 12SEM-80: 25 Ah less, a different case (278 × 175 × 190 mm).

Lead-acid technology in the 12SEM-105

Inside, the 12SEM-105 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-105

  • Length, width and height of the 12SEM-105: 353 × 175 × 190 mm.
  • With the terminals facing you, the positive terminal of the 12SEM-105 is on the right.
  • Your current battery should say about 105 Ah; a little more is also fine.

Q-Battery 12SEM-105 codes and part numbers

Shops, garages and catalogues identify the 12SEM-105 with these codes:

Commercial reference12SEM-105
Terminal typeA-Pole
Not to be confused withQ-Battery 12SEM-135 (135 Ah)

Frequently asked questions about the Q-Battery 12SEM-105

Q-Battery 12SEM-105 or 12SEM-120?

Compared with the 12SEM-105, the Q-Battery 12SEM-120 has 15 Ah more. With 120 Ah, the 12SEM-120 runs longer between charges than the 12SEM-105 (105 Ah). Mind the space: the 12SEM-120 measures 347 × 175 × 234 mm.

How much does the Q-Battery 12SEM-105 weigh?

The 12SEM-105 weighs 25 kg. For reference, the Q-Battery 12SEM-120 (120 Ah) weighs 29.9 kg.

Which side is the positive terminal on the Q-Battery 12SEM-105?

The 12SEM-105 has the positive terminal on the right, looking at the battery from its long side with the terminals closest to you.

How many days of autonomy does the Q-Battery 12SEM-105 give in a motorhome?

It depends on consumption. With 105 Ah and LED lights, pump and a gas fridge, 2 or 3 days without recharging is normal; with an electric fridge, much less.

More batteries to compare with the 12SEM-105

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