Q-Battery

Q-Battery 12SEM-120 · Motorhome battery 12V 120Ah

Reference: BOL-QBATTERY-12SEM-120

Q-Battery 12SEM-120: motorhome battery with 12 V and 120 Ah, measuring 347 × 175 × 234 mm, with the positive terminal on the right.

Who the Q-Battery 12SEM-120 is for

The Q-Battery 12SEM-120 is a leisure battery for motorhomes and caravans: it powers fridge, lights, water pump and heating for days without starting the engine. With 120 Ah, the 12SEM-120 runs the leisure loads for several nights depending on use.

The 12SEM-120 belongs to the Q-Battery SEMITRACTION BATTERY range. More Q-Battery batteries

Equivalents and alternatives to the Q-Battery 12SEM-120

No other reference in the catalogue fully matches the dimensions and polarity of the 12SEM-120; you will find the closest ones among our leisure batteries for motorhomes and caravans.

Q-Battery 12SEM-120 vs 12SEM-105 and 12SEM-135

What sets the 12SEM-120 apart from its neighbours in the Q-Battery range:

ModelCapacityDimensions (mm)PositiveWeight
Q-Battery 12SEM-120 (this one)120 Ah347 × 175 × 234right29.9 kg
Q-Battery 12SEM-105105 Ah353 × 175 × 190right25 kg
Q-Battery 12SEM-135135 Ah349 × 175 × 290right37.8 kg
  • Q-Battery 12SEM-105: 15 Ah less, a different case (353 × 175 × 190 mm).
  • Q-Battery 12SEM-135: 15 Ah more, a different case (349 × 175 × 290 mm).

What it means that the 12SEM-120 is lead-acid

The 12SEM-120 is a conventional lead-acid battery, with plates immersed in liquid electrolyte. In cars without energy management, the 12SEM-120 needs no special registration: just connect it.

Before ordering the 12SEM-120, check this

  • The 12SEM-120 needs 347 × 175 × 234 mm of space: measure it with the hold-down clamp in place.
  • Polarity of the 12SEM-120: positive terminal on the right (if yours has it on the other side, the cables will not reach).
  • Capacity of the 12SEM-120: 120 Ah; the same as your current battery or slightly more is fine.

Q-Battery 12SEM-120 codes and part numbers

Look for any of these 12SEM-120 codes on your current battery or in the manufacturer's catalogue:

Commercial reference12SEM-120
Terminal typeA-Pole
Not to be confused withQ-Battery 12SEM-180 (180 Ah)

Frequently asked questions about the Q-Battery 12SEM-120

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

Compared with the 12SEM-120, the Q-Battery 12SEM-105 has 15 Ah less. With 120 Ah, the 12SEM-120 runs longer between charges than the 12SEM-105 (105 Ah). Mind the space: the 12SEM-105 measures 353 × 175 × 190 mm.

How much does the Q-Battery 12SEM-120 weigh?

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

Which side is the positive terminal on the Q-Battery 12SEM-120?

The 12SEM-120 has the positive terminal on the right, looking at the battery from its long side with the terminals closest to you.

More batteries to compare with the 12SEM-120

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