Q-battery 12LS-18 · Stationary UPS battery 12V 18Ah AGM
Specifications
| Brand | Q-battery |
|---|---|
| Part number | 12LS-18 |
| Voltage (V) | 12 |
| Capacity (C20) | 18Ah (c20) |
| Technology | AGM |
| Length | 181.00 cm |
| Width | 77.00 cm |
| Height | 167.00 cm |
| Weight | 5.70 Kgs |
€72.80
VAT included
Q-battery 12LS-18 12V 18Ah 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
Voltage
12 V
Capacity
18 Ah
Dimensions
181×77×167 mm
Technology
AGM
Weight
5,7 kg
Model
AGM STANDARD
Stationary battery Q-Battery 12LS-18 18Ah 12V
12VVoltage
18AhCapacity
5.70kgWeight
The 12 V, 18 Ah Q-Battery 12LS-18 stationary battery with AGM technology is designed for UPS, alarms, telecoms and emergency lighting. Measuring 181 × 77 × 167 mm, it is the direct replacement for UPS, alarm and emergency systems fitted from the factory with a 18 Ah battery of this format.
- Low self-discharge and high reliability.
- Standard format for UPS and emergency systems.
- AGM: faster recharging and better cycle resistance than a conventional battery.
- Instant response to mains failures.
Dimensions, polarity and mounting
In terms of format, the Q-Battery 12LS-18 measures 181 × 77 × 167 mm (length × width × height) and weighs 5.70 kg. It uses a G112074 hold-down and F3 (flag) terminals, the system that anchors and connects it in the vehicle. Before replacing it, measure your current battery tray: if all three dimensions and the terminal positions match, the swap is direct and needs no adapters.
What the Q-Battery 12LS-18 is for
Designed for UPS, alarms, telecoms and emergency lighting, the Q-Battery 12LS-18 is sealed, gas-free and suitable for technical cabinets and offices. Check that it matches your current battery in dimensions, terminals and hold-down: this reference has a weight of 5.70 kg, F3 (flag) terminals and G112074 hold-down.
Technology inside the Q-Battery 12LS-18
The 12LS-18 is one of the Q-Battery references for this type of use; it shares the same manufacturing and quality-control criteria as the rest of the brand's catalogue.
In an AGM battery the electrolyte is absorbed in glass-fibre separators: there is no free liquid, it cannot spill and it can be mounted at an angle. That construction lowers internal resistance, speeds up recharging and multiplies cycle life compared with a conventional battery.
Why choose Q-Battery batteries
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.
Warranty and coverage
The Q-Battery 12LS-18 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.
Usage and maintenance tips
Check the float voltage of the UPS or charger: a voltage that is too high shortens the life of a sealed battery. Charge with a charger that has an AGM mode: it limits the voltage and protects the glass-fibre separators.
Shipping, delivery and returns
Orders placed before 6:00 pm with the battery in stock ship the same day. Delivery in mainland Spain and Portugal takes 24-48 working hours; for the Balearic and Canary Islands and the rest of the European Union allow 3 to 5 working days. You have 14 days to return an unused battery; in mainland Spain and Portugal collection is free. We email you the tracking number as soon as the parcel ships.
BCOM-Q-BATTERY-12LS-18
Data sheet
- Brand
- Q-Battery
- Reference
- 12LS-18
- Model
- AGM STANDARD
- Voltage (V)
- 12
- Length
- 181.00 cm
- Width
- 77.00 cm
- Height
- 167.00 cm
- Weight
- 5.70 Kgs
- Technology
- AGM
- Terminal type
- F3 (flag)
- Hold-down
- G112074
- Capacity (C20)
- 18Ah (c20)
Specific References
- MPN
- 12LS-18
Comparison: Q-battery BATTERY-12LS-18 vs equivalents
The Q-battery BATTERY-12LS-18 is interchangeable with these equivalent references: RT12180 (Ritar), BATTERY-12LS-17 (Q-battery), BATTERY-12LSX-7 F1 (Q-battery).
| Product | Specifications | Technology | Price |
|---|---|---|---|
Q-battery
BATTERY-12LS-18
This battery
|
12V 18Ah | AGM | €72.80 |
Ritar
RT12180
|
12V 18Ah | AGM | €63.95 |
Q-battery
BATTERY-12LS-17
|
12V 17Ah | AGM | €72.80 |
Q-battery
BATTERY-12LSX-7 F1
|
12V 17Ah | AGM | €38.80 |
Equivalences verified by our technical team: same dimensions, polarity, capacity and CCA. Official manufacturer warranty on every option.
Recommended accessories
How to change the battery
Guide to replace a cyclic battery (12V 4-30Ah) for UPS, mobility scooter, alarm or backup device. Estimated time 10-15 minutes. Important: discharge residual voltage before handling.
Step 1. Power off and unplug the device
Unplug the device (UPS, scooter, alarm) and leave it off for at least 30 seconds to discharge residual capacitor voltage. Work on an insulating surface.
Step 2. Locate the battery compartment
Usually under the seat (mobility scooter/wheelchair), in the rear module of the UPS, or behind a side panel with screws. Check the device manual for unusual models.
Step 3. Disconnect the negative (−) first
With insulated gloves, remove the negative (−) cable first. Some UPS have protection fuses — note their position before removing.
Step 4. Disconnect the positive (+) terminal
Repeat with the positive cable (red, marked +). Important: never let a terminal touch metal of the car while the other is still connected.
Step 5. Remove the old battery
Typical weight 1-15 kg depending on capacity. Many cyclic batteries are AGM/GEL — keep them upright. Do NOT invert the battery: even sealed, residue may exist.
Step 6. Fit the new battery
Same orientation and type (AGM, GEL or flooded). Polarity must match the device, not a chassis (this is not a car). Make sure terminals do not touch metal parts of the compartment.
Step 7. Connect the positive (+) first
On cyclic devices the order is reversed compared to cars: positive (+) first, negative (−) afterwards. Tighten without forcing — the plastic terminal housing of cyclic batteries damages easily.
Step 8. Initial charge before first use
Cyclic batteries ship at 60-80%. Before first use, connect the device charger for 8-12 hours (or use an AGM/GEL smart charger if available). This avoids short cycles and extends lifespan.
Frequently asked questions
Is the Q-battery 12LS-18 an AGM battery and what are the benefits of AGM?
Yes. The 12LS-18 from Q-battery uses AGM (Absorbent Glass Mat) technology: a sealed lead-acid battery where the electrolyte is absorbed in a glass-fibre mat. It withstands more charge/discharge cycles than a conventional one, handles heat better and is the required technology for devices with advanced Start-Stop and regenerative braking. Expected lifespan: 5-8 years under normal conditions.
How do I change this battery step by step?
In most devices it fits in 15-30 minutes with a 10 mm wrench; if the battery is under the seat or in the boot the time can double. See the step-by-step guide on this page. Quick summary: 1) switch off the engine and remove the key; 2) locate the original battery (engine bay, boot or under seat); 3) disconnect the negative (−) terminal first, then the positive (+); 4) loosen the hold-down clamp and remove the old battery; 5) fit the new one in the same orientation — match the polarity shown on the product sheet; 6) connect the positive (+) first, then the negative (−). On devices with Start-Stop or BMS, register the battery via OBD so the alternator applies the correct charging profile.
What is the service life of the 12LS-18 model?
Expected lifespan of the Q-battery 12LS-18 is 5 to 8 years in mild-climate device use with Start-Stop. In cold regions it drops slightly due to cold-start stress; in very hot regions it also drops because of electrolyte evaporation. To extend its life: avoid deep discharges (headlights on with engine off), have the alternator checked yearly, and keep the battery clean and properly secured.
What are the dimensions of the Q-battery 12LS-18 battery?
Dimensions (length × width × height) are 181×77×167 mm — also written as 181x77x167 mm — following the European DIN standard. Always measure the space in your device before buying: even one extra millimetre can prevent the hold-down clamp from closing. The height shown includes the terminals.
What are the equivalents of the 12LS-18 model?
Directly interchangeable batteries (same dimensions, same polarity, same Ah and CCA) are the OEM equivalents from leading brands: Bosch, Tudor, Exide and, depending on the model, Banner or Yuasa. Exact equivalence depends on technology — an EFB cannot be replaced with a conventional battery in Start-Stop devices. See the "Equivalents" section to view recommended options at the same performance level.
The top-rated online battery store in Spain
-
Audited by Trustpilot, no filters, no edits. The top-rated battery store in Spain.
Trustpilot · verified, no filters
-
Official Varta distributor
Official Varta wholesale distributor. 100% genuine batteries, recently manufactured, best price and no middlemen.
World’s best-selling battery brand
-
+100,000 satisfied customers
More than 100,000 customers already trust baterias.com — and recommend us to their friends and family.
They trust us and recommend us
Choose trust, choose quality, choose baterias.com.