Q-battery 12LS-45 · Stationary UPS battery 45Ah AGM
Specifications
| Brand | Q-battery |
|---|---|
| Part number | 12LS-45 |
| Voltage (V) | 12 |
| Capacity (C20) | 45Ah (c20) |
| Technology | AGM |
| Length | 197 mm |
| Width | 165 mm |
| Height | 170 mm |
| Weight | 14.50 Kgs |
Q-battery 12LS-45 12V 45Ah is a stationary battery for backup power systems: UPS, alarms, telecom and emergency lighting. Long float-life under permanent charge and instant response to mains outages with no noticeable voltage drop.
Why this stationary battery?
- Instant responsewhen the mains drop, no voltage dip
- Long life under 24/7 chargeoptimised for permanent service
- Compatible with your systemexisting UPS units and alarm control panels
Where it fits: the Q-battery 12LS-45 is one of our batteries for ups / ups, belongs to our Q-battery batteries and by capacity it sits among our 45Ah batteries.
The Q-battery 12LS-45 in practice
12LS-45 vs Q-battery 12LS-38
The Q-battery 12LS-45 offers 45 Ah and 0 A cold cranking in a 197 × 165 × 170 mm case. The Q-battery 12LS-38, same brand and technology, stays at 38 Ah and 0 A and costs €13.90 less. If your car originally had the smaller capacity, this one gives extra reserve in the same case.

Stationary battery Q-Battery 12LS-45 45Ah 12V
The Q-Battery 12LS-45 with AGM technology is a 45 Ah, 12 V backup battery for UPS, alarms, telecoms and emergency lighting. It measures 197 × 165 × 170 mm, the format sought by anyone replacing a 45 Ah battery in UPS, alarm and emergency systems.
- Maintenance-free for its whole service life.
- Sealed and gas-free: suitable for cabinets and offices.
- Long float life under permanent charge.
- AGM technology: absorbed electrolyte, no spills, can be mounted at an angle.
Dimensions, polarity and mounting
It has external dimensions of 197 × 165 × 170 mm and weighs 14.50 kg. It uses a G112078 hold-down and F11 (M6) terminals, the system that anchors and connects it in the vehicle. For a direct replacement, the current battery tray must accept these dimensions and the same terminal layout; otherwise adapters will be needed or the hold-down will change.
What the Q-Battery 12LS-45 is for
With 45 Ah, the Q-Battery 12LS-45 gives your UPS or emergency system the autonomy it needs. Replace all the batteries in the set at once. Check that it matches your current battery in dimensions, terminals and hold-down: this reference has a weight of 14.50 kg, F11 (M6) terminals and G112078 hold-down.
Technology inside the Q-Battery 12LS-45
Within the Q-Battery catalogue, the 12LS-45 is the 45 Ah model designed for this application.
AGM means the acid is held in a glass mat instead of floating free. That is why the battery can be installed in the cabin without gases, survives more cycles and recovers its charge quickly.
Q-Battery: the maker behind the 12LS-45
Q-Battery specialises in AGM and GEL VRLA batteries for UPS, telecoms, solar and deep cycling, with long-life and tubular-plate series for industrial use. We guarantee that every Q-Battery arrives new, charged and with the manufacturer's full warranty.
Manufacturer's warranty
The Q-Battery 12LS-45 comes with the manufacturer's official warranty against manufacturing defects. If it fails through a defect within the warranty period, we replace it at no cost to you.
How to make it last longer
Charge with a charger that has an AGM mode: it limits the voltage and protects the glass-fibre separators. Replace all the batteries in the set at once and avoid environments continuously above 25 °C.
Shipping, delivery and returns
Order before 6:00 pm with stock available and it leaves today: mainland Spain and Portugal receive it in 24-48 working hours, the islands and the rest of the EU in 3 to 5 days. You have 14 days to return it if it has not been installed, with free collection on the mainland, and shipment tracking by email.
Other 45Ah batteries: We stock 33 models of 45 Ah to compare by price, technology and cold cranking: see all 45Ah batteries. Same size (197 × 165 × 170 mm): batteries of 197 × 165 × 170 mm.
Recommended accessories
Frequently asked questions
Is the 12LS-45 model AGM? What does this technology offer?
Yes. AGM (Absorbent Glass Mat) technology, 45 Ah and 12 V: sealed lead-acid, with the electrolyte held in glass fibre. Compared with a conventional battery it withstands more charge/discharge cycles and handles heat better.
What are the dimensions of the Q-battery 12LS-45 battery?
The Q-battery 12LS-45 takes up 197×165×170 mm (length, width and height, terminals included). Before buying, measure the space in your device: one extra millimetre can stop the hold-down clamp from closing.
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