Q-Battery

Q-Battery 12LS-55 · UPS battery 12V 55Ah

Reference: BOL-QBATTERY-12LS-55

The Q-Battery 12LS-55 is an UPS battery with 12 V and 55 Ah, measuring 229 × 138 × 210 mm.

The Q-Battery 12LS-55 at a glance

The Q-Battery 12LS-55 is a VRLA AGM battery for UPS and uninterruptible power systems: it stays charged for years waiting for an outage and delivers the energy instantly when it comes. Before ordering the 12LS-55, check the terminal type and terminal orientation in your UPS.

The 12LS-55 belongs to the Q-Battery AGM STANDARD range. More Q-Battery batteries

Equivalents and alternatives to the Q-Battery 12LS-55

Other AGM batteries that fit the 12LS-55's tray with the same polarity: an AGM can only be replaced by another AGM.

ModelTechnologyCapacityDimensions (mm)
Long WXL12205WNAGM55 Ah226 × 135 × 214
Long WPL55-12NAGM55 Ah226 × 135 × 214

Q-Battery 12LS-55 vs 12LS-45 and 12LS-38

How the 12LS-55 compares with Q-Battery batteries of similar size and capacity:

ModelCapacityDimensions (mm)Weight
Q-Battery 12LS-55 (this one)55 Ah229 × 138 × 21018 kg
Q-Battery 12LS-4545 Ah197 × 165 × 17014.5 kg
Q-Battery 12LS-3838 Ah197 × 165 × 17013.2 kg
  • Q-Battery 12LS-45: 10 Ah less, a different case (197 × 165 × 170 mm).
  • Q-Battery 12LS-38: 17 Ah less, a different case (197 × 165 × 170 mm).

Inside the 12LS-55: AGM technology

The 12LS-55 is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. It withstands many more cycles than a conventional lead battery, at the cost of being more sensitive to overcharging.

Before ordering the 12LS-55, check this

  • Measure the space: the 12LS-55 takes up 229 × 138 × 210 mm.
  • Your current battery should say about 55 Ah; a little more is also fine.

Part numbers and codes for the Q-Battery 12LS-55

The 12LS-55 is listed under these codes on labels, in garages and in catalogues:

Commercial reference12LS-55
Terminal typeF11 (M6)
Not to be confused withQ-Battery 12LS-4.5 (4.5 Ah), Q-Battery 12LS-45 (45 Ah), Q-Battery 12LS-65 (65 Ah)

Frequently asked questions about the Q-Battery 12LS-55

12LS-55 or 12LS-45: which one suits me?

Compared with the 12LS-55, the Q-Battery 12LS-45 has 10 Ah less. With 55 Ah, the 12LS-55 runs longer between charges than the 12LS-45 (45 Ah). Mind the space: the 12LS-45 measures 197 × 165 × 170 mm.

How much does the Q-Battery 12LS-55 weigh?

18 kg, with 55 Ah of capacity. For reference, the Q-Battery 12LS-45 (45 Ah) weighs 14.5 kg.

Which battery is equivalent to the Q-Battery 12LS-55?

Only other AGM batteries with its dimensions and polarity: Long WXL12205WN and Long WPL55-12N. Neither an EFB nor a conventional battery replaces the 12LS-55.

Keep comparing: alternatives to the 12LS-55

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