Q-Battery

Q-Battery 12LS-45 · UPS battery 12V 45Ah

Reference: BOL-QBATTERY-12LS-45

Q-Battery 12LS-45: UPS battery with 12 V and 45 Ah, measuring 197 × 165 × 170 mm.

Where the Q-Battery 12LS-45 fits

The Q-Battery 12LS-45 replaces the original batteries in a UPS. Before ordering the 12LS-45, check the terminal type and terminal orientation in your UPS.

The 12LS-45 belongs to the Q-Battery AGM STANDARD range. See all Q-Battery batteries

Equivalents and alternatives to the Q-Battery 12LS-45

Other AGM batteries that fit the 12LS-45's tray with the same polarity: an AGM can only be replaced by another AGM.

ModelTechnologyCapacityDimensions (mm)
Long WPS45-12AGM45 Ah197.7 × 166 × 171
Long WPS45-12NAGM45 Ah197.7 × 166 × 171
Long WPL45-12AGM45 Ah199 × 166 × 171
Long WXL12150WAGM45 Ah199 × 166 × 171
Long WPL45-12NAGM45 Ah199 × 166 × 171
Long WXL12150WNAGM45 Ah199 × 166 × 171

Q-Battery 12LS-45 vs 12LS-38 and 12LS-33

The real differences between the 12LS-45 and the closest Q-Battery models:

ModelCapacityDimensions (mm)Weight
Q-Battery 12LS-45 (this one)45 Ah197 × 165 × 17014.5 kg
Q-Battery 12LS-3838 Ah197 × 165 × 17013.2 kg
Q-Battery 12LS-3335 Ah195 × 130 × 15910.6 kg
  • Q-Battery 12LS-38: 7 Ah less, the same dimensions.
  • Q-Battery 12LS-33: 10 Ah less, a different case (195 × 130 × 159 mm).

AGM technology in the 12LS-45

Inside, the 12LS-45 has glass fibre separators (AGM) that hold the electrolyte. The 12LS-45 needs a charger with an AGM mode that does not exceed 14.7 V.

Before ordering the 12LS-45, check this

  • Measure the space: the 12LS-45 takes up 197 × 165 × 170 mm.
  • Your current battery should say about 45 Ah; a little more is also fine.

Part numbers and codes for the Q-Battery 12LS-45

This is how the Q-Battery 12LS-45 appears on the label and in parts catalogues:

Commercial reference12LS-45
Terminal typeF11 (M6)
Not to be confused withQ-Battery 12LS-55 (55 Ah), Q-Battery 12LS-65 (65 Ah), Q-Battery 12LS-75 (78 Ah)

Frequently asked questions about the Q-Battery 12LS-45

12LS-45 or 12LS-38: which one suits me?

Compared with the 12LS-45, the Q-Battery 12LS-38 has 7 Ah less. With 45 Ah, the 12LS-45 runs longer between charges than the 12LS-38 (38 Ah). Both measure 197 × 165 × 170 mm, so they fit the same tray.

How much does the Q-Battery 12LS-45 weigh?

14.5 kg, with 45 Ah of capacity. For reference, the Q-Battery 12LS-38 (38 Ah) weighs 13.2 kg.

Which battery is equivalent to the Q-Battery 12LS-45?

Only other AGM batteries with its dimensions and polarity: Long WPS45-12, Long WPS45-12N and Long WPL45-12. Neither an EFB nor a conventional battery replaces the 12LS-45.

What is the difference between F1 and F2 terminals?

The tab width: F1 is 4.8 mm and F2 is 6.35 mm. Most UPS units use F2; check your unit's connector before ordering.

More batteries to compare with the 12LS-45

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